Envío de datos de sensores modbus rtu rs485 a la nube .

已关闭 已发布的 2 年前 货到付款
已关闭 货到付款

Integración de diversos sensores modbus rtu rs485 a placas esp32 o esp32 lorawan para enviar datos a un servidor mysql a través de diversas tecnologías: gatways ttn, Wireless-Hotspot, lorawan, gatways mqtt, tarjetas GPRS, etc

电气工程 微控制器 Arduino 印制板布局 本地工作 网络管理 Network Engineering Network Security

项目ID: #30877060

关于项目

4个方案 活跃的2 年前

位于: Guadalajara, Mexico

有4名威客正在参与此工作的竞标,均价$215/小时

alilakho8

Hello dear project owner I am an Electronic engineer with experience in embedded systems designing and PCB designing i have experience of rs485 communication i can do it quickly.

$250 USD 在6天内
(16条评论)
5.3
doggar302

Hi! I am an Electronic engineer, PCB Layout, Circuit Design, microcontroller, STM32 microcontroller, C programming expert having past experiences with ,Altium, arduino, pic, AVR, chipkit and Texas instruments microcont 更多

$250 USD 在7天内
(18条评论)
5.5
XeeChaun

hi. I have 8+ years of experience in hardware integration. I have done a lot of work with Modbus, RS485, ESP32, GPS trackers etc. here are couple of my previous projects: ---( https://www.freelancer.com/projects/cplusp 更多

$250 USD 在8天内
(6条评论)
4.9
jamrlecetronics

Hola buen día soy desarrollador de Software y Hardware me encuentro en Guadalajara México, puedes contactarme para ayudarte con tu proyecto.

$111 USD 在7天内
(4条评论)
3.4