I am implementing a linked-list in C with structure I have written the append function to add a node at the end of a linked-list, as below, and display function to display all the nodes. But display i...Connection timeout error in sending an smtp mail through zoho Am getting a co...
硬件连线如下图 台达hmc的通讯设置和界面分别如下图 wemos端代码如下 用python写了一个简单的mqtt客户端做测试,代码如下 测试成功后会有如下显示 pahomqtt库说明 说明: “connect with code 0: Connection successful 1: Connection ref... 基于WeMos D1的智能垃圾桶(Arduino开发平台) ...
-ThingsBoard Arduino SDK and dependencies: -MQTT PubSub Client — for interacting with MQTT. -ArduinoJSON — for dealing with JSON files. -Arduino Http Client — for interacting with ThingsBoard using HTTP Step 1 In the first step, we have to connect all required hardware. The connection schem...
An external power supply is used for heater coil of the sensor. The input for IC7805 must be above 8 volt. The GSM modem must be powered form its DC jack and not hosted from arduino supply. The ground to ground connection is established between external power, GSM modem and arduino. Use...
to the development board.②Connect the development board to a PC via a serial wire and the module to the development board. Then, power up the development board and start the serial debugging software.Here is the configuration of the connection between the module and the development board.1 ...