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We are working on nexys video board and we are trying to access DDR3 memory using IPCORE in vivado design suite software. We want to read and write data into DDR3 memory using nexys video board.
The objective is to create a 1m delay circuit in EAGLE to delayed power that feeds an array of P MOSFET transistors. The delay is to allow enough time for the microcontroller to boot up without causing any P MOSFET to activate during bootup. Updating the firmware on the microcontroller is NOT an option. The current delay can be accomplished using a 2200uF Capacitor, however, we need a better and more practical solution. Please review the diagram.
I need some help with selling something.
looking for an Embedded software Engineer capable to participate in software development for wearable Bluetooth 5 device. This device based on Nordic nRF52840 [url removed, login to view], and its hardware platform includes also the following peripherals: 3-axis Accelerometer + 3-axis Gyro + 3-axis Geomagnetic sensor IC; GNSS module; FLASH memory IC; Power management IC, Li battery gas gauge controller IC. Need to perform tasks: Architecture planning Nordic nRF52840 bring-up Atmel ATSAM55 bring-up 3 sensors bring-up GNSS bring-up NOR-FLASH bring-up Power management IC + Li battery gas gauge controller IC bring-up Establish Bluetooth 5 connection Communication protocol based on Bluetooth 5 between tracker and server USB communication between server and adapter Tracker work modes test sensors test communication Project ID: 16313063
We are looking for someone to provide design files and 5 prototypes of a PCB with headers for a Particle Electron, Arduino Nano and an XBee. Along with that, we require a thermistor in series with a 10k resistor to use as a temperature sensor, and two voltage regulators (9v and 5v) that can reliably power an Arduino Nano, XBee and a 10ma sensor. I've included an Excel document to sketch out what I am looking for - hopefully it all makes sense and it is something you can help with. Thanks
The goal of the project is to get the design of a Raspberry Pi Shield with communication modules: - Lora SX1278 (433 MHz) or similar - 3G Cellular module compatible in Chile ([url removed, login to view]) - GPS Module. All thre modules must have an external antenna connector. The design of the board must include all the additional components required for the proper operation of the modules (power sources, voltage regulators, external power supply connector in case needed.) The rest of available GPIO pins should be available on the shield with 0.1" male pin in the same way they are on the Raspberry board. The board must include a DHT22 temperature and humidity sensor Requiered Deliverables: -Board and Schematics Eagle files -3D model step or parasolid file -All the required Gerber files for manufacturing -B.O.M. in xlsx. The project will have two milestones: 1º milestone: (70%) when design gets approved and sent to manufacturer 2º milestone: (30%) when manufacturer start production.
We have a temperature controller that we use for an egg incubator. It was developed for us several years ago and it is time to make some changes to the firmware. We have all of the original development files, but we are not programmers, so we are not able to do anything with them. For those of you who speak "code", you'll likely recognize and understand the files. We don't speak "code" so we're not sure what is useful and what is not. We have attached a file which shows a screenshot of all of the firmware development files we have for this. This project includes the following: 1. Identify the the correct files needed to make edits to our firmware. 2. Make the changes requested 3. Send the modified firmware files along with the .hex file needed to upload the new version to the chip. For your reference, the chip is: PIC18F14K22-E/SO Requested change: the program currently allows the user to change the speed of a fan (vary the voltage). We would like this feature removed and just leave the fan on at full power. Pretty simple, right? :) Please review the attachment and see if you can make sense of the files and if you think you can make this change. And if so, at what cost? Thanks for your interest.
Dear, FreeLancer. My name is Romani S., messaging you from Egypt. Me and my friends are looking to build an Electric motorcycle which is powered by a 7.5 KW three phase AC motor. The power source that we do have is 3.7 V(DC) lithium batteries. We do wonder if you can help us with a driver that we can use to convert the the DC source to a 3 phase AC source with the tool to change to motor speed. Thanks in advanced Romani S. Elkommos
I have 3 VL53L0X sensors and need help with some of the code please see attached. I just need help making it more accurate and I don''t know how to code it. I am currently using [url removed, login to view] but happy to use other libraries. I think i need to use these commands to tune it but don't know how to bool setSignalRateLimit(float limit_Mcps) float getSignalRateLimit(void) bool setMeasurementTimingBudget(uint32_t budget_us) uint32_t getMeasurementTimingBudget(void) Basically all 3 sensors working as accurate as they can.
Hello I need your help. I have been working with engineers to build a arduino device for my school project and have been unable to replica the experiment. I have all of the schematics and sketches. So what I need from you is to rebuild the components from the schematics and upload from the sketch files and set the devices with AT Commands and pair the bluetooth devices. And then ship the entire project to me.
92 sqm F&B outlet in Riyadh. Details of all electrical equipment will be provided. Past experience in Saudi Arabia is a must, experience in f&b & retail is preferable. work is needed to be finished in 2 days