Physical map
Hardware Description
Development board on-board Description:
1. master chip: STC89C52
2.Wi-Fi module: ESP8266
3. The temperature and humidity sensor: DHT11
4. LCD: IIC OLED
5. Relay: 220V 10A
6. Other: See Schematic
DESCRIPTION serial communication control
Consider the following two orange jumper connector
First, the computer 51 and the microcontroller serial communications
Second, the computer and the serial communications ESP8266
Third, the microcontroller 51 and the communication ESP8266
Microcontroller program download step 51
1. If your computer does not CH340 installation (serial modules) drive, install CH340 (Serial Module) driver
2, USB serial cable to your computer, and the computer serial port communications microcontroller 51 (two picture orange jumpers)
3. Open the download software, choose STC89C52RC
4. choose the appropriate computer port (of their choice)
5. Open the file, selection routine -> 1- Hardware Description -> microcontroller 51 DHT11 acquisition program -> DHT11Collect.hex
6. Click to download programming
7. Press the Reset button to download development board, and release (the red box are standard)
8. normal will see download
The liquid crystal display panel temperature and humidity data. Serial printed once every 1S temperature and humidity data
