MQTT (Message Queue Telemetry Transport) is a protocol for collecting device data and communicating it to servers (D2S) Hire MQTT Developers

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    We have a Zigbee gateway with internet connection, and we want to be able to manage it using MQTT. Zigbee gateway (linux-based) has a REST API, well documented. Please contact us if you have experience.

    $229 (Avg Bid)
    $229 Avg Bid
    9 bids

    We have a server running MQTT with raspberry pi clients. We are looking for someone to provide ongoing support for this project. Only apply if you have MQTT experience, further details available on PM.

    $20 / hr (Avg Bid)
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    4 bids

    MQTT Broker DASHBOARD for connecting IoT devices and device management. Candidates should have a very good understanding of how the MQ!T protocol works and about IoT devices.

    $537 (Avg Bid)
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    4 bids

    we have esp 32 . proximity sensor, ultrasonic sensor, bme280, voc sensor, 4 relays, lux sensor. all to be controlled by esp32 which transfers all data to our app. we want to use mongoose os for security and Mqtt. most sensors have mongoose os library but few do not and would need to be imported from audrino and wrapped in mongoose os wrapper

    $152 (Avg Bid)
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    5 bids

    We are looking for somebody with extensive experience with the AWS IoT platform and the MQM approach. Specially how to set up the AWS IoT so it can handle many devices/things efficiently and automatically. The project also includes to integrate services to process incoming messages and take the correct actions depending on rules. We want to be sure that we find the right freelancer/company so we have defined an initial task to do so we can evaluate. It will take 10-15. Depending on the result from the initial task we may continue for long term work. We have devices on a meshed RF network. The communicate with the AWS cloud via gateways. Mesh network topology assumes several accessible gateways. Device will select most suitable gateway, and then connect to it. However, in case if gateway lost connection with AWS IoT, or malfunction, or some radio noise and RF-channel errors, the device can select another gateway, and continue communications with it. So, there is no predefined gateway for mesh device. Each thing interacting with cloud services via MQTT-SN messaging protocol. Gateways interact with AWS MQTT broker. The initial is to automatically register devices (and device types). We should also within this task do some configuration of the devices using a request/response ("fan-in", and "fan-out") paradigm implementation. The gateway is already up and running for you to use. Also we have included in the task to make some basic parts of simulation tool to be used to test the registration and configuration. It will be described in details later.

    $28 / hr (Avg Bid)
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    2 bids

    Create an MQTT application on PIC32MZ2048EFM144 (PIC32MZ EF Starter Kit Crypto version DM320007-C) with the following requirements: • Built within the MPLAB Harmony framework version 2.0.5 • Uses FreeRTOS version 9 as included in the Harmony framework • Uses TCPIP from the Harmony framework (Internal MAC with SMSC_LAN8740 PHY) • Has ICMPv4 server enabled to respond to network pings • RTCC is configured and is updated using SNTP client against [url removed, login to view] • Has minimum TLS v1.2 to port 8883 (port is adjustable within a header file) • Can do non TLS on port 1883 if required • Uses the cryto engine of the microprocessor via Harmony framework if achievable • Where possible, the libraries API uses same command’s as the PAHO MQTT client uses • Needs only to subscribe to one topic, however if more would be an advantage • All MQTT messages are JSON strings • Responds to information requests as they are received over MQTT • Uses username/password authentication against Mosquitto MQTT broker • Can do QoS 0, 1 & 2 (configurable) • Sets last will and testament message as retained QoS1 to a registration topic • Include USART4 (RG6=U4TX, RB14=U4RX, pins 8 & 10 on the 40pin header) • Passes strings received over USART4 as messages to a pre-determined mqtt topic that is different from the topic being subscribed to. Topic should be configurable in code. • Passes strings received over MQTT as strings to USART4 • Once per hour, at 5 minutes past the hour it sends a JSON string to a mqtt topic • Count pulses (up to 35Hz) on RK1 & RK2 (pins 16 & 18 on the 40pin header) and send MQTT message with number of pulses after 2 seconds of no pulses received. MQTT message should include timestamp from RTCC. The pulses will be in bursts of up to 60 seconds at a time. • Every 5 seconds, measure the analog voltage on RB3 (pin 15 of 40 pin connector) and report value via mqtt message with timestamp from RTCC. • Compiles using Microchip XC32 compiler at least version 1.44 • BSP_LED1 (RH0) used as heartbeat (blinks 2-4 times a second) • BSP_LED2 (RH1) lights if connection to mqtt server is lost • BSP_LED3 (RH2) lights if USART4 connection issue

    $379 (Avg Bid)
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    10 bids
    cloud applications Ended
    VERIFIED

    we need a developer to create and to develop an account on AWS for our mobile app based controller.

    $35 (Avg Bid)
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    3 bids

    We am looking for an experienced individual/freelancing company to build a web and mobile application for IoT. 1. Setting up of Gateway connection to cloud services like AWS and Google Cloud (Information on gateway will be given upon shortlisted) 2. The web/mobile app must allow end users to specify their preferred method of connection (HTTPS, MQTT) and other general IoT settings 3. Web/Mobile app must be able to show history (e.g. graphs) for the past hours/days/months for the measurement taken More information will be given upon shortlisted. To prevent mass submitting of application, please kindly include your application with the following answers to these questions: 1. What does IoT stands for? 2. What are the main functions for MQTT? 3. A brief summary of how your experience with IoT

    $926 (Avg Bid)
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    39 bids

    Hello, I need a controller based on ESP8266 to do the following: 1- Read the values from LDR,PIR,ON/OFF Switches,Temp. Sensor & Modbus Port then Send them to the webserver via MQTT protocol. 2. receive instructions from the server via MQTT Protocol to switch ON/OFF or to generate a PWM. 3. ESP8266 should first authenticate the webserver then send and receive data as per the following format (Esp no., pin no., action (ON/OFF or PWM), starting time). Please read well the requirements and quote only if you are committed and ready to work and the bid MUST BE FIXED and according to the mentioned requirements. Regards,

    $91 (Avg Bid)
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    5 bids

    Hello, I need a controller based on ESP8266 to do the following: 1- Read the values from LDR,PIR,ON/OFF Switches,Temp. Sensor & Modbus Port then Send them to the webserver via MQTT protocol. 2- There are some manual switched to turn ON/OFF some devices manually in case the server connection is down, and those switches should be interfaces to the relays to control them either manually or from the server. 3 - It should read Modbus and send the data to the server. 4 - it should work as a universal IR remote control,and the controller should learn any remote control code and send it to the server to be stored then we can control any device from the web-server instead of using the IR remote control via IR LED. 5 - the server will send the instructions to the controller to be executed as it is without any processing in the controller. i.e. (PinA.1,ON,3 hours). The cost estimation for such scope of work is max. 75 USD and the delivery time is 3 days. Finally, Please no time wasters and changing the price after submition is not acceptable for the above mentioned scope of work (no random quotes please). Best Regards

    $121 (Avg Bid)
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    4 bids
    raspberry pi Ended
    VERIFIED

    need a gateway based on Raspberry pi to be the interface between some controllers via MQTT Protocol and our server via also MQTT Protocol. server <MQTT> gateway<MQTT> controllers your bid should be final and no time wasters please. regards

    $55 (Avg Bid)
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    5 bids

    Hello, I need a controller based on ESP8266 to do the following: 1- Read the values from LDR,PIR,ON/OFF Switches,Temp. Sensor & Modbus Port then Send them to the webserver via MQTT protocol. 2. receive instructions from the server via MQTT Protocol to switch ON/OFF or to generate a PWM. 3. ESP8266 should first authenticate the webserver then send and receive data as per the following format (Esp no., pin no., action (ON/OFF or PWM), starting time). please read well the requirements and quote only if you are committed and ready to work. Regards,

    $24 (Avg Bid)
    $24 Avg Bid
    3 bids

    Hello, I need a controller based on ESP8266 to do the following: 1- Read the values from LDR,PIR,ON/OFF Switches,Temp. Sensor & Modbus Port then Send them to the webserver via MQTT protocol. 2. receive instructions from the server via MQTT Protocol to switch ON/OFF or to generate a PWM. 3. ESP8266 should first authenticate the webserver then send and receive data as per the following format (Esp no., pin no., action (ON/OFF or PWM), starting time). please read well the requirements and quote only if you are committed and ready to work. Regards,

    $25 (Avg Bid)
    $25 Avg Bid
    2 bids

    Hello, I need a controller based on ESP8266 to do the following: 1- Read the values from LDR,PIR,ON/OFF Switches,Temp. Sensor & Modbus Port then Send them to the webserver via MQTT protocol. 2. receive instructions from the server via MQTT Protocol to switch ON/OFF or to generate a PWM. 3. ESP8266 should first authenticate the webserver then send and receive data as per the following format (Esp no., pin no., action (ON/OFF or PWM), starting time). please read well the requirements and quote only if you are committed and ready to work, and the budget is max 40USD for such scope of work and no need to bid please if you can't meet it. Regards,

    $100 (Avg Bid)
    $100 Avg Bid
    1 bids

    Hello, I need a controller based on ESP8266 to do the following: 1- Read the values from LDR,PIR,ON/OFF Switches,Temp. Sensor & Modbus Port then Send them to the webserver via MQTT protocol. 2. receive instructions from the server via MQTT Protocol to switch ON/OFF or to generate a PWM. 3. ESP8266 should first authenticate the webserver then send and receive data as per the following format (Esp no., pin no., action (ON/OFF or PWM), starting time). please read well the requirements and quote only if you are committed and ready to work. The budget is max. 40USD for such scope of work. Regards,

    $25 (Avg Bid)
    $25 Avg Bid
    1 bids

    Hello, I need a controller based on ESP32 or ESP8266 to do the following: 1- Read the values from LDR,PIR,ON/OFF Switches,Temp. Sensor & Modbus Port then Send them to the webserver via MQTT protocol. 2- There are some manual switched to turn ON/OFF some devices manually in case the server connection is down, and those switches should be interfaces to the relays to control them either manually or from the server. 3 - It should read Modbus and send the data to the server. 4 - it should work as a universal IR remote control,and the controller should learn any remote control code and send it to the server to be stored then we can control any device from the web-server instead of using the IR remote control via IR LED. 5 - the server will send the instructions to the controller to be executed as it is without any processing in the controller. i.e. (PinA.1,ON,3 hours). The cost estimation for such scope of work is 75 USD and the delivery time is 5 days. Finally, Please no time wasters and changing the price after submition is not acceptable for the above mentioned scope of work (no random quotes please). Best Regards

    $169 (Avg Bid)
    $169 Avg Bid
    2 bids

    Hello, I need a controller based on ESP32 or ESP8266 to do the following: 1- Read the values from LDR,PIR,ON/OFF Switches,Temp. Sensor & Modbus Port then Send them to the webserver via MQTT protocol. 2- There are some manual switched to turn ON/OFF some devices manually in case the server connection is down, and those switches should be interfaces to the relays to control them either manually or from the server. 3 - It should read Modbus and send the data to the server. 4 - it should work as a universal IR remote control,and the controller should learn any remote control code and send it to the server to be stored then we can control any device from the web-server instead of using the IR remote control via IR LED. 5 - the server will send the instructions to the controller to be executed as it is without any processing in the controller. i.e. (PinA.1,ON,3 hours). The cost estimation for such scope of work is 75 USD and the delivery time is 5 days. Finally, Please no time wasters and changing the price after submition is not acceptable for the above mentioned scope of work (no random quotes please). Best Regards

    $177 (Avg Bid)
    $177 Avg Bid
    4 bids

    Hello, I need a controller based on ESP32 or ESP8266 to do the following: 1- Read the values from LDR,PIR,ON/OFF Switches,Temp. Sensor & Modbus Port then Send them to the webserver via MQTT protocol. 2- There are some manual switched to turn ON/OFF some devices manually in case the server connection is down, and those switches should be interfaces to the relays to control them either manually or from the server. 3 - It should read Modbus and send the data to the server. 4 - it should work as a universal IR remote control,and the controller should learn any remote control code and send it to the server to be stored then we can control any device from the web-server instead of using the IR remote control via IR LED. 5 - the server will send the instructions to the controller to be executed as it is without any processing in the controller. i.e. (PinA.1,ON,3 hours). The cost estimation for such scope of work is 75 USD and the delivery time is 5 days. Finally, Please no time wasters and changing the price after submition is not acceptable for the above mentioned scope of work (no random quotes please). Best Regards

    $250 (Avg Bid)
    $250 Avg Bid
    1 bids

    Hello, I need a controller based on ESP32 or ESP8266 to do the following: 1- Read the values from LDR,PIR,ON/OFF Switches,Temp. Sensor & Modbus Port then Send them to the webserver via MQTT protocol. 2- There are some manual switched to turn ON/OFF some devices manually in case the server connection is down, and those switches should be interfaces to the relays to control them either manually or from the server. 3 - It should read Modbus and send the data to the server. 4 - it should work as a universal IR remote control,and the controller should learn any remote control code and send it to the server to be stored then we can control any device from the web-server instead of using the IR remote control via IR LED. 5 - the server will send the instructions to the controller to be executed as it is without any processing in the controller. i.e. (PinA.1,ON,3 hours). The cost estimation for such scope of work is 75 USD and the delivery time is 5 days. Finally, Please no time wasters and changing the price after submition is not acceptable for the above mentioned scope of work (no random quotes please). Best Regards

    $167 (Avg Bid)
    $167 Avg Bid
    7 bids

    Hello, I need a controller based on ESP32 or ESP8266 to do the following: 1- Read the values from LDR,PIR,ON/OFF Switches,Temp. Sensor & Modbus Port then Send them to the webserver via MQTT protocol. 2- There are some manual switched to turn ON/OFF some devices manually in case the server connection is down, and those switches should be interfaces to the relays to control them either manually or from the server. 3 - It should read Modbus and send the data to the server. 4 - it should work as a universal IR remote control,and the controller should learn any remote control code and send it to the server to be stored then we can control any device from the web-server instead of using the IR remote control via IR LED. 5 - the server will send the instructions to the controller to be executed as it is without any processing in the controller. i.e. (PinA.1,ON,3 hours). The cost estimation for such scope of work is 75 USD and the delivery time is 5 days. Finally, Please no time wasters and changing the price after submition is not acceptable for the above mentioned scope of work (no random quotes please). Best Regards

    $182 (Avg Bid)
    $182 Avg Bid
    3 bids