单片机向esp8266模块发送at指令,并且在一定的时间内等待esp8266的回复,如果回复错误的指令或者超时回复就把错误通过串口1发送到电脑上。 代码介绍 AT指令发送函数 uint8_t esp8266_send_cmd(char *cmd, char *ack, uint16_t waittime) //ESP8266发送指令(底层函数) { uint8_t res = 0; USART3_RX_STA =...
ESP8266 wiring diagram for programming via Arduino After programming ESP8266 is an independent controller, Arduino is only used to power module and sensor. Wiring diagram of programmed ESP8266 with DHT Sending JSON data via HTTP POST The easiest way to send data in JSON using ESP8266 is adding...
quickly identifies and fixes problems in your code for Arduino, ESP32, and other embedded systems. 🚫 Does your sketch fail to compile? Simply upload your code, specify the compiler error description in the requirements field, and letPCGenfix it for you. 📝 Stuck turning your requirements ...
#define DHTPIN 14 // Digital pin connected to the DHT sensor // Feather HUZZAH ESP8266 note: use pins 3, 4, 5, 12, 13 or 14 -- // Pin 15 can work but DHT must be disconnected during program upload. // Uncomment whatever type you're using! //#define DHTTYPE DHT11 // DHT 1...
Using a DHT22 We will start with the DHT22 temperature and humidity sensor. The DHT22 is a pretty common device; it also goes by the name AM2302, and it is a pretty basic temperature and humidity sensor. It also has a cousin, the DHT11, which you can use as well. If you do ...
Complete Guide for DHT11/DHT22 Humidity and Temperature Sensor Complete Guide for RF 433MHz Transmitter/Receiver Module Arduino with PIR Motion Sensor Description These RF modules are very popular among the Arduino tinkerers. The nRF24L01 is used on a wide variety of applications that require wirele...
3.5 inch 480*320 SPI Serial TFT LCD Module Display Screen with Touch Panel Driver IC ILI9488 for MCU Serial SPI 1.5"Color OLED Display 128x128 Graphic Module, SSD1351 DHT11 basic temperature-humidity sensor GeeekNET ESP32 Development Board Ultrasonic Sensor US-020 Distance Measuring Module NodeMC...
ESP-01 with Thermometers/Voltage regulators: Fix for “Failed to read from DHT sensor!” 5/December/2018Alexandre Strubearduino,DHT11,ESP-01,ESP8266,IOTLeave a comment Adafruit’s library is Broken. Use it, but replace DHT.cpp with this one:https://raw.githubusercontent.com/adams13x13/DHT...
You'll need a DHT11 temperature and humidity sensor. You'll need a 16x2 LCD display with a hitachi interface. You'll need the usual wires and prototype board. You'll need the Arduino IDE. You must go to File|Preferences and add the following to the Additional Board Managers text box:...
3.5 inch 480*320 SPI Serial TFT LCD Module Display Screen with Touch Panel Driver IC ILI9488 for MCU Serial SPI 1.5"Color OLED Display 128x128 Graphic Module, SSD1351 DHT11 basic temperature-humidity sensor GeeekNET ESP32 Development Board ...