Embedded Systems Jobs

I’ve cloned the vintage-pi-tv project () exactly as-is, with no custom tweaks, but it never reaches any channels/interface dashboard, or vintage-TV splash on boot; instead I end up at the regular blank screen on the pi 4 monitor. What I need is a clean, reproducible re-configuration so the software: • starts automatically at power-on, • displays full-screen over DisplayPort without tearing or resolution issues, and • returns control to the system gracefully when I exit or shut down. Please diagnose the current setup, adjust any systemd service files, dependencies, and /boot/ or options as required, then give me: 1. the corrected configuration files and commands you applied, 2. a concise step-by-step guide I can re-run on a fresh image, and 3. a quick va...

I'm seeking an experienced developer to integrate a robot bartender, Makr Shkr, with the Toast POS system. The robot mixes custom drinks and mocktails based on what's set up on its system. Key Requirements: - Seamless integration with Toast POS - Robot bartender functionality to mix drinks Detailed Workflow: 1. Provision Toast API Access: - Access the Toast Developer Platform, requiring the Restaurant Management Suite (RMS) enabled on your Toast account. - Generate a Client ID, API Secret, and retrieve your 32-character Location GUID. - Enable the Orders Read and Kitchen Read API scopes. 2. Set Up Webhooks or Long Polling: - Use an intermediary server (e.g., AWS Lambda function or local integration gateway server) to listen for actions on Toast. - Configure a To...

I own a black-and-red Wii Mini and want it professionally upgraded. The job is to open the console, fit a discreet internal hard drive—something under 500 GB is plenty—and preload a complete Wii game library so every title launches directly from that drive. No SD card, no dangling USB, and no visible traces once the shell is closed; the modification must look and feel factory-standard. Here’s what I need from you: • Source and install the smallest, reliable internal HDD that fits the Wii Mini’s tight space. • Soft- or hard-mod the system so it boots straight from the new storage. • Transfer and organise the full Wii catalogue (if you can add Nintendo 64 or GameCube sets too, feel free to mention that as an optional extra). I’ll ship the ...

We are looking for an experienced developer or small team to build a proof-of-concept 1-DOF haptic syringe simulator for anaesthesia training. The goal is to allow a user to push a physical syringe and feel changing resistance as the virtual needle passes through skin, fat, muscle, and finally bone. A simple 3D visualization should display the needle moving through these tissue layers with realistic PBR textures. Scope of Work Hardware Design and build a custom 1-DOF haptic syringe device Select and integrate suitable motor, driver, controller, and sensors Develop firmware for real-time force feedback Ensure smooth, responsive haptic performance Software Develop in Unity (preferred), Unreal Engine, or native C++ Real-time communication between hardware and software Map insertion depth to...

I need a small but robust utility that runs on Nintendo Switch 2 and helps players squeeze the best possible performance out of their games. The core focus is performance optimisation: analysing in-game behaviour, identifying bottlenecks on the fly and applying smart tweaks so titles load faster, maintain steadier frame rates and feel more responsive. What I picture is a lightweight overlay or background service written in C/C++ (or another language supported by the official Switch 2 SDK) that: • profiles CPU, GPU and memory usage in real time, • applies dynamic setting adjustments or recommends the ideal presets, and • logs before/after metrics so users can clearly see the gains. SDK-compliant code, clean architecture, and clear developer documentation are es...

I want to create a branded control board that keeps the familiar Arduino UNO R3 footprint yet swaps the ATmega328P for an ESP32. The finished board must: • expose the usual analog inputs, PWM outputs, serial ports and full digital I/O • break-out every pin through sturdy screw terminals instead of header pins • carry an on-board battery cradle for two 18650 cells (3.7 V each) and an integrated 2-cell BMS • arrive pre-flashed so it shows up in the Arduino IDE exactly like a normal UNO-style target Because the unit will be wall-mounted, an ABS enclosure that matches the board outline, standoffs and connector layout is part of the job. I need mechanical files (STEP/STL) alongside the electronics deliverables. Deliverables 1. Schematic, PCB layout and Gerber/ODB files 2...

I’m building the low-level firmware for an ARM Cortex-A microcontroller and need help closing the remaining gaps in startup code, peripheral configuration, and board-level testing. The toolchain is already in place (GCC, OpenOCD, and a J-Link probe), and the hardware boots, but several peripherals still need clean, maintainable drivers and the overall initialization sequence must be tightened for reliable production use. You’ll dive into: • Writing or refactoring C/C++ startup routines, linker scripts, and BSP code specific to this Cortex-A device • Bringing up UART, SPI, GPIO, and a high-speed interface that feeds data to an upstream processor • Tracing hard faults with JTAG/SWD and delivering concise root-cause notes so I can reproduce your findings &bul...

1 Project overview We are developing a medical neurostimulation device intended for therapeutic applications, including tinnitus treatment. The system consists of: • A central unit based on a Toradex Verdin 8M Mini SOM • Up to five body-mounted emitters • Custom electronics responsible for signal generation, power control, safety monitoring and communication with the Toradex platform The project is already well defined at system level, and hardware development can start immediately. ________________________________________ 2 Scope of Work Design a custom electronics board capable of controlling up to five emitters simultaneously. Each emitter includes: 2.1 Inductive Channel • Resonant coil • Approximately 35 kHz sinusoidal carrier • Current-controlled operat...

Advanced OBD-II Vehicle Emulator Development (Freematics MK2 + ESP32) Develop a fully functional advanced OBD-II vehicle emulator based on the Freematics MK2 platform with any additional hardware and custom firmware/software required. The emulator must accurately simulate real vehicles across multiple OBD-II protocols and operate with commercial scan tools as though it were an actual vehicle. Required Features Support CAN, J1850 PWM, J1850 VPW, ISO 9141-2, and ISO 14230 (KWP2000) protocols. Custom firmware for complete protocol simulation and response handling. Vehicle profile library capable of storing multiple vehicle configurations. Import, save, edit, and replay complete vehicle sessions. Accurate VIN simulation (Mode 09). Calibration ID (CAL ID) simulation. Calibration Verifi...

Project Title: Senior PCB Design Engineer – Secure Control Boards for Hair Styling Appliances Project Overview: We are seeking an experienced PCB Design Engineer to develop high-performance control boards for a new line of professional hair styling tools (Blow Dryer, Flat Iron, and Curling Iron). This project requires a focus on high-wattage thermal management, integrated hardware security to protect intellectual property, and coordination with firmware teams for proprietary protocols. Scope of Work: • Schematic & Layout: Design 2-layer or 4-layer PCBs for high-heat consumer grooming tools (12v and battery). • Thermal Management: Implement IPC-compliant trace widths and component spacing for heating elements (MCH/PTC) and high-speed motors. • PCB-Level Security: De...

I have a compact 433 MHz transmitter built around a CMT2219B RF module driven by a GD32E230G8 MCU. Before we invest in the formal lab work, I want an experienced RF-compliance engineer to look over the current schematic and two-layer PCB layout to maximise our chances of passing both FCC Part 15 and the equivalent ISED requirements. The focus is squarely on RF performance. I have no existing test data, so I’m relying on your insight to flag anything that might push us over the limits once we reach conducted or radiated emissions testing. Key areas include the matching network around the module, antenna feed, ground strategy, return-loss considerations, filtering, and any layout tweaks that could shave a few dB off leakage. You’ll receive the design files (Gerber, pick-and-pla...

I need a clean, production-ready schematic built in EasyEDA for a multi-layer board that will ultimately be fabricated as a 2-layer PCB. You will start from my rough block diagram and turn it into a fully annotated circuit, complete with correctly assigned nets and footprints chosen from the EasyEDA parts library (or custom symbols if a part is missing). The finished file should open without errors in EasyEDA’s online editor, pass Electrical Rule Check, and be ready for me to push straight into PCB layout. Please name every reference designator logically, keep signal groupings tidy, and observe standard 2-layer design conventions such as clear ground and power planes that will translate well once I route traces. Deliverables: • EasyEDA schematic file (JSON) • PDF printo...

I'm looking for an experienced Arduino developer to create an interactive experience. The project can be tailored towards educational activities, entertainment/games, or an art installation. Ideal Skills and Experience: - Proficiency with Arduino and microcontrollers - Experience in designing interactive systems - Knowledge of various sensors (temperature, motion, light) - Ability to implement diverse outputs like LED effects, motor movements, and sound Please provide examples of previous work and relevant skills.

I’m developing a compact 1 × 1 inch board dedicated to sensor integration and need an experienced electronic designer to turn my concept into production-ready files. The job involves creating the full schematic, laying out the multilayer PCB, and preparing all manufacturing outputs while keeping signal integrity and power routing clean within the tight footprint. Because this board’s sole purpose is to host sensors, component placement and trace routing must anticipate minimal noise coupling and allow straightforward connector access on at least one edge. You are free to choose the CAD package you’re most efficient with—KiCad, Altium Designer, Eagle, or similar—as long as the final deliverables meet standard fabrication requirements. Deliverables I exp...

I need a compact, modular eddy-current device built from the ground up to verify the purity of non-ferrous metals during material research and development. Because the unit will often be carried to mines, scrapyards, and temporary field labs, I’m prioritising a rugged, weather-resistant enclosure, battery operation for a full working day, and quick-swap probes so I can tailor frequency and coil geometry to different sample shapes. Core expectations • A handheld main unit that houses the signal generator, receiver, display, data-logging memory and rechargeable power pack. • Interchangeable probe modules covering the typical kilohertz-to-megahertz range used for non-ferrous purity checks, each probe auto-calibrating on connection. • On-board firmware that shows im...

I need a clean, compact PCB layout built around the ESP32-CAM module that will serve as the heart of a small, battery-powered IoT device. Space efficiency and low-power routing are crucial because the board must slip easily into a slim enclosure and run for long stretches on a single charge. You’ll start from my rough hand-drawn schematic and translate it into a production-ready design, paying special attention to: correct pin break-outs for the on-board camera, stable 3 V / 5 V regulation from the battery pack, and clear access to the module’s programming pads. If you think a few passive components or protection features will extend battery life or improve signal integrity, feel free to propose them—I’m open to sensible tweaks that don’t bloat cost or boar...

I’m building a proof-of-concept that lets an ultra-low-power board—specifically an ESP32—capture image data and immediately flag early-stage oral cancer. Because the hardware budget is tiny, I need a novel, highly compressed AI architecture that still reaches clinically useful accuracy and inference speed at the edge. The device will ingest live image data from a camera module, run on-device preprocessing, then execute an AI-based model (think pattern-recognition and other machine-learning techniques rather than simple thresholding) fast enough to give instant feedback without off-loading to the cloud. Latency, memory footprint, and power draw must all stay within the ESP32’s limits. If you’re interested, send a detailed project proposal outlining: &bu...

I’m preparing learning material on the operating modes of the ARM Cortex-M3 and need a clear, student-friendly walkthrough that stays at a high level. The write-up should cover all processor modes, how control flows between them, and the typical events (interrupts, exceptions, privilege changes) that trigger a switch. Alongside the text, I want a clean block diagram that visually maps each mode and the transitions in a single view. Keep the shapes and arrows straightforward—think one A4 page that can drop straight into PowerPoint or a PDF hand-out. Deliverables • Concise explanatory document (≈2-3 pages) written for learners • Editable block diagram (SVG, Visio, or PowerPoint) plus an exported PNG/PDF I’ll review for clarity, completeness of m...

I have a microcontroller-based board that will sit in the field and quietly record temperature readings from one or more digital sensors. Your job is to write the embedded firmware that pulls those readings at set intervals, time-stamps them, and stores everything persistently in a neat, easily downloadable file (CSV or similar). Core needs • Reliable polling of the attached temperature sensors (currently using a standard one-wire digital device, but code should be abstract enough to swap to I²C if required later). • Configurable sample rate—default 1 Hz but changeable over a simple serial menu or compile-time constant. • Local, non-volatile storage on the board’s microSD slot; automatic file rollover when a maximum size is reached so nothing is eve...

Need raspberry Pi developer to establish pi4 and pico w connectivity as wifi remotely and act as a mouse to raspberry pi

We are looking for an experienced embedded hardware developer/company to develop an OEM Environmental Monitoring Device for pharmaceutical clean rooms. Requirements: • Measure Temperature, Relative Humidity (RH), and Differential Pressure (DP) • 4.3" or similar local display showing live values • Modbus TCP/IP over Ethernet (mandatory) • 24VDC powered • Wall/flush mount industrial design • Configurable alarm limits and local buzzer • Our existing EMS software will read data via Modbus TCP (no software development required) We plan to deploy 100–200 devices initially with potential for larger production volumes. Preference: • Developers who already have a similar prototype or existing industrial hardware platform that can be customiz...

Circuit Design Requirement – Flexible PCB Embedded Module I need a complete, production-ready electronic schematic for a flexible PCB module based on the STM32G071RBT6. The design must include all required supporting circuitry and should be suitable for future manufacturing. Main Controller STM32G071RBT6 Power Section 24 V DC input Complete buck converter circuit (24 V → 3.3 V) Reverse polarity protection Input fuse or polyfuse TVS diode Input/output filtering All required inductors, capacitors, resistors and compensation network Microcontroller Support Complete power connections Decoupling capacitors Bulk capacitors BOOT configuration Reset circuit SWD programming circuit Clock circuit (internal or external, whichever is recommended) All required pull-up and pull-down resistors...

I need an experienced hardware designer to turn my concept for a six-port, gigabit-speed Ethernet switch into a complete, production-ready design. 3 of 6 channel must deliver up to 70 W of IEEE-compliant PoE, other 3 must deliver up to 20 W and, instead of the usual RJ45 jacks, I want every data-plus-power line brought out on JST-GH connectors. Mechanical requirements • Board must be as smaller as possible with 4 holes M3 at the corners. Electrical highlights • True gigabit switching performance across all six ports, with robust QoS and VLAN support. • 70 W continuous PoE available on 3 of 6 ports, other 3 ports 20 W. • 50V output voltage for POE • Input-voltage capability: 10-26V • Protection for reverse polarity, surge, and hot-swap events is essen...

# Project Title **Hardware Design and Prototype Development of a Custom High-Gain Boost Converter Integrated with a Three-Phase Grid-Tied Inverter** ## Project Description I am looking for an experienced Electrical/Power Electronics Engineer who can design, build, and test a **hardware prototype** of my **custom high-gain DC-DC boost converter**, followed by its integration with a **three-phase inverter**. The project is part of my research work, and I require complete hardware implementation along with experimental validation and documented results. The converter topology has already been designed by me. The selected freelancer will be responsible for designing the hardware PCB/prototype, selecting components, implementing the control circuit, integrating the converter with a three-ph...

I am seeking the following: We have an existing industrial dispensing machine that we're using as the foundation for our first production prototype. While the mechanical dispensing system largely performs the function we require, we are looking to completely redesign the user interface and control system to create a simple, intuitive commercial product. Rather than modifying the existing operator controls, we are looking for a company that can assist with designing and integrating an entirely new front-end control system that interfaces with the existing machine. At this stage we are looking for advice on feasibility, development approach, estimated costs and timelines. I've attached our current concept documents to provide some context. They should be viewed as discussion do...

Please refer to the detailed SoW - We need an experienced embedded systems / biomedical hardware consultant to design and develop a compact vitals and body composition acquisition subsystem for integration into an existing diagnostic hardware platform. The system must capture BP, SpO2, PPG-derived respiratory rate, heart rate from PPG/BP, temperature, height, weight, BMI, and body composition values such as body fat %, visceral fat, muscle mass, body water %, bone mass, BMR, metabolic age, and segmental distribution where technically feasible (through bio impedance). The work includes sensor/module selection, hardware architecture, PCB/control board design if required, firmware, Windows/Linux compatible local service/API, local session-wise data handling, calibration workflows, validat...

I'm looking for an experienced hardware developer to assist with my Solar MPPT project, which is currently in development. The specific areas where I need help are: - PCB Layout - Circuit Design - Component Selection Ideal skills and experience: - Strong background in power electronics and solar energy systems - Proficiency in PCB design software - Experience with circuit design and component selection - Ability to work collaboratively and provide detailed documentation Please provide examples of similar projects completed.

I have a working shortlist of LTE and power-supply components and now need a specialist to bring them together on the hardware side. The goal is a compact, battery-powered board that boots the chosen LTE module reliably, meets the module’s peak-current demands, and stays within the battery’s safe-discharge limits. What I already have • Datasheets and purchase links for the selected LTE modem, SIM socket, PMIC, Li-ion cell, and protection circuitry. • Preliminary schematic drawn in KiCad. What I need from you • Review and refine the schematic and PCB layout to eliminate power-rail dips, EMI issues, or antenna detuning caused by poor grounding. • Specify or validate in-line components—inductors, caps, TVS, fuses—so the battery section passes ...

I’m taking a brand-new IoT device from idea to working prototype and need an embedded expert who can move smoothly between board-level decisions and low-level code. The scope touches every layer of the stack: • Firmware development • Hardware design • Sensor integration Day-to-day, you’ll be writing tight C/C++ for the MCU, using Python for test harnesses or quick validation scripts, and advising on component choice, schematic capture, and PCB layout. Expect to bring up the first boards, tune power consumption, and create the drivers that let all sensors report reliably to the cloud. Deliverables I’m counting on: 1. Complete schematics, BOM, and ready-for-fab Gerber files. 2. Well-documented firmware (C/C++) with build instructions. 3. Python t...

I’m building a small-scale IoT device dedicated to continuous monitoring and data collection inside a typical home. The core goal is to sense key environmental parameters, push them securely to the cloud, and expose the readings in real time for later analysis. Here’s what I already have in mind: a compact, low-power microcontroller (ESP32 or similar), Wi-Fi connectivity, and a simple set of sensors—temperature, humidity and possibly light or motion—though I’m open to strong technical suggestions. I’ll need you to design the hardware layout, write reliable firmware, and set up the data pipeline (MQTT, REST or another lightweight protocol that fits a home network). Clean, well-documented code with OTA update support is essential. Deliverables • S...

Hello, I am looking for an experienced power electronics engineer or engineering company to design and develop a high-reliability industrial AC-DC power supply for continuous 24/7 operation. **Application:** High-Precision Industrial Testing and Power Distribution Systems. The project requires a complete custom design or an adaptation of an existing platform (ODM), with full engineering IP transfer. Upon project completion, I require ownership of all design files and documentation necessary for manufacturing, maintenance, and future modifications. ## Project Requirements ### 1. Overview We require a high-reliability, industrial-grade power supply for continuous 24/7 operation. The power supply will be used in **High-Precision Industrial Testing and Power Distribution Systems**, where...

I need two simple yet reliable prototype nodes that can sit outdoors, wake up at a configurable interval, pull a register line from a Modbus-compatible soil probe, and push that reading through a Meshtastic link. No commercial polish required—the goal is to prove the data path end-to-end. Scope of work • Recommend and source—or at least specify—a compact board, radio module, and battery pack (AA-powered) suited for outdoor use. I currently have no hardware on hand, so component guidance is essential. • Write Python-based firmware (preferred language) that: – Powers the Modbus interface, retrieves the probe value, and sleeps between cycles to conserve the batteries. – Publishes the reading over Meshtastic in a lightweight JSON or CSV payl...

I’m building a compact, battery-powered tattoo machine and need a custom rectangular PCB that can both manage the lithium-ion power source and drive the rotary motor smoothly. Core requirements • Power management: on-board charging, cell protection, and a stable step-up/step-down stage to keep the motor supplied as battery voltage drops. • Motor control: for controlling brushed dc motor. To adjust voltage supplied to the motor in 0.1v increments Form factor The board must remain rectangular and no larger than roughly 35 mm on its shortest edge so it can slide into the existing machine housing without modifications. Deliverables • Complete schematic in KiCad, Altium, or Eagle • Optimised PCB layout (Gerber, drill, pick-and-place files) • Bill of...

I’m putting together an automotive-grade dashcam that runs on an AI SoC and would like a complete hardware schematic as the next step. The core board has to handle two on-board 1080 p digital cameras via MIPI-CSI while also accepting two additional analog cameras through an external A/D bridge so the system can switch seamlessly between all four views. The SoC must be wired to support real-time object detection, lane detection, collision warning, and driver monitoring / assistance functions; please route all required high-speed, power-management, and memory interfaces accordingly. I already have a rough block diagram, so the focus here is turning that concept into production-ready circuitry with a clean, logically layered design that will pass an automotive EMC review. Delivera...

I'm seeking an experienced PCB designer to create a small-sized, integrated PCB for a tracking device. The PCB should include the following components: - LoRa module - GPS module - LTE module - Battery - Barometer The primary goal of this device is tracking location, so ensure all components are optimally placed for performance and size constraints. Ideal skills and experience: - Expertise in PCB design, particularly for small, compact devices - Familiarity with integrating multiple communication modules (LoRa, GPS, LTE) - Knowledge of power management for battery-operated devices - Experience with barometer integration Please provide samples of similar work and ensure your design adheres to industry standards for reliability and efficiency.

Project Overview I am developing a commercial automotive telematics device for the Indian market. The product will be used for fleet management, GPS tracking, vehicle diagnostics, driver behavior monitoring, and future FASTag ecosystem integration. This is **NOT** a hobby or Arduino-based project. I require an industrial-grade PCB design that can be manufactured in China through PCBWay, JLCPCB, or a similar PCB assembly service. The final deliverable should be ready for prototype manufacturing and later mass production. I am looking for an experienced hardware engineer or embedded systems engineer who has previously designed automotive telematics devices, GPS trackers, CAN bus products, IoT hardware, or vehicle diagnostic devices. --- # Objective Design one universal hardware platfo...

I’m developing a new consumer-electronics device and I need a reliable double-layer PCB designed from the ground up. I will supply the schematic on paper. The project involves ESP32, SMPS designing and other common components .

I’m building a small toy that plays a single prerecorded sound. To make this work I need a PCB design built around the OTP voice chip, a LiPo battery with its recharge module, and an on-board micro speaker. A simple momentary push-button should trigger playback; no other activation modes are required. Space is at a premium: the entire populated board, battery, and speaker footprint must fit comfortably within roughly 3 cm × 3 cm x 4 cm. Deliverables • List of components • Connection intructions Please choose components easy to be found in the web, cheap and use as few as possible.

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ESP32 CNC Display Unit — PCB Schematic, Layout, BOM & Aluminium Enclosure Design (Industrial IP54) Designing a Smart CNC Machine Display Unit for industrial shop-floor use and need an experienced electronics + mechanical freelancer to deliver production-ready design files. SCOPE OF WORK: - Schematic design for PCBs (Main Control Board + LED Display Board) - PCB layout (KiCad preferred) - BOM with Indian supplier part numbers and alternates - Aluminium enclosure design (CNC machined or sheet metal) — IP54 rated - Smoked black acrylic display window - Magnetic + screw mounting - All source files + manufacturing-ready outputs (Gerber, STEP, DXF, PDF) TECHNOLOGY: - MCU: ESP32-WROOM-32D - Display: 8× MAX7219 cascaded 8×8 colour LED dot matrix - RTC: DS3231 | ...

I have an ESP32-based board that drives a triac and includes an on-board AC-DC converter. The existing schematic shows clear wiring mistakes, questionable component choices, and power-supply weaknesses, so I need a fresh set of expert eyes to correct and optimise it. Here’s what I need you to do: • Audit the full schematic for wiring integrity, component suitability, and safe power architecture. • Update component values or footprints where you see fit, refine the circuit design, and realign any pin assignments. • Deliver a clean, annotated schematic file plus an updated BOM that reflects every change. You’re free to work in KiCad, Altium, or EasyEDA—whatever lets you move fastest—so long as the final files can be opened by me in KiCad. Once ...

We are working on a project building a lightweight, clip-on glasses attachment that tracks focus, fatigue, and body posture. This is a research-grade neurotech prototype (not a medical device) meant for pilot testing and investor demos. We’ve mapped out the concept, and now we need a practical, budget-conscious hardware engineer to bring the electronics to life from scratch. What We Are Building A tiny, battery-powered wearable that packs in a lot of sensor tech: Eye Tracking (EOG): Measuring blinks and eye movements. Heart Rate (PPG): Tracking heart rate and heart rate variability (HRV). Movement (IMU): Monitoring head posture and motion. Data Transmission: Using Bluetooth (BLE) to send all this data to a phone/computer for multi-sensor fusion. What You’ll Do We need yo...

Briefing do Projeto Estamos procurando um profissional para desenvolver um projeto de um Sistema Ecológico de Reaproveitamento de Água para Hortas Domésticas. O projeto é um protótipo simples, desenvolvido para uma pequena horta doméstica, sem necessidade de atender grandes áreas ou implementar funcionalidades complexas. Objetivo Desenvolver um sistema automatizado utilizando ESP32 que monitore a umidade do solo e realize a irrigação utilizando água da chuva armazenada em um reservatório, promovendo economia de água e praticidade para o usuário. Funcionalidades esperadas - Programação completa do ESP32; - Leitura do sensor de umidade do solo; - Leitura do sensor de nível de...

Necesito un editor protegido que me permita conectar por OBD a camiones Volvo y realizar programación remota completa de cualquier módulo. El objetivo es poder actualizar software y personalizar configuraciones sin importar la ciudad donde se encuentre el vehículo, abarcando los sistemas de motor, transmisión y frenos. El flujo ideal es sencillo: yo me conecto al camión mediante una interfaz OBD-II, abro tu herramienta, selecciono el módulo y cargo o modifico el firmware/ parámetros; todo lo demás (validaciones, seguridad, checksum, desbloqueo, etc.) debe quedar cubierto internamente por la aplicación para que el proceso sea fiable y a prueba de errores. Entrego acceso remoto a un vehículo de prueba para ver in-situ c...

Estoy desarrollando un prototipo IoT de bajo consumo para un vertedor inteligente de bebidas y busco un ingeniero embedded/freelance con experiencia práctica en Nordic Semiconductor nRF52 y Bluetooth Low Energy. El objetivo del prototipo es detectar cada servido de una botella mediante un reed switch activado por un imán colocado en la tapita abatible del vertedor. Cada vez que el reed switch se active, el microcontrolador debe enviar automáticamente un evento BLE con un ID único del vertedor hacia un dongle nRF52840 PCA10059 conectado a una computadora, que funcionará como hub/receptor. No busco una empresa grande ni una solución sobredimensionada. Busco un especialista técnico que pueda llevar el prototipo a una prueba funcional, documen...

Diseño de señales mixtas​Descripción del Proyecto: ​Busco un ingeniero electrónico con experiencia en diseño de potencia y control para convertir un esquema funcional y especificaciones técnicas detalladas en archivos Gerber listos para fabricación industrial. ​Detalles técnicos: ​Estado: Poseo el esquema técnico completo, la lista de materiales (BOM) y el código fuente para Arduino Nano. ​Alcance: Necesito que el profesional realice el diseño del PCB considerando los siguientes puntos críticos: ​Seguridad: Corriente de carga de ~33-35A que NO debe pasar por las pistas de la PCB (uso de relés con terminales Faston externos para la potencia). ​Control: Implementación de optoacopladores ...