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GPRS MQTT gateway with OTA feature for target stm32

Need to design firmware to build MQTT gateway with following details

[login to view URL] for STM32 + sim800 + SPI flash memory

2. Gateway need to publish data received on uart of STM32 gate way from mother board

3. Gateway need to subscribe topic and when data recieved send that data to mother board via uart

4. Gateway need to check atleast once/twice a day for new firmware available on server.

5. If new file available then ask server to send that .bin or hex file and store it to SPI flash. If correct file received then reprogram mother board SMT32 using bootloader pin and uart.

技能: 微控制器, 电子, Arduino, 嵌入式软件, C 编程

关于此雇主:
( 0个评论 ) Vadodara, India

项目ID: #21262034

5 威客就此工作平均出价 ₹49777

deeproadrash

Hello, Deep is here. I have experience with STM32 series MCUs, SIM800 hardware as well as Firmware development. I have experience with MQTT, OTA. I can help you for this development.

₹60000 INR 在30天内
(20条评论)
4.3
edi45

Hi i am embedded system engineer. i have a few experience with GSM module like SIM800 and a few other like sim900, 5320a or IoT-GA6. i have ever develop firmware update for stm32. i develop custom bootloader so no nee 更多

₹50000 INR 在7天内
(1条评论)
0.5
vijaykumarmourya

Hi we have a almost prototype ready to which will have ability to full fill your requirement by making some changes in it We are also having Expertise in following domains 1. Embedded. 2. Electronic & Electric 更多

₹38888 INR 在3天内
(0条评论)
0.0
ajaysoni1516

hello I am embedded system developer. I have developed project with mqtt server. I have developed OTA in stm32 and using quectel mc66. I have ota with openCpu.

₹44444 INR 在20天内
(0条评论)
0.0
anish7448

I am interested to work on this project as I have already experience on GPS, GSM products. I have worked on quectel, Simcom GPRS chips.

₹55555 INR 在30天内
(0条评论)
0.0