power supply:
1>. 3.7V-12V DC power VCC GND (pin 2.54mm) received.
2>. download program to ESP-01S/ESP-01 (without ESP-01S or ESP-01).
3>. insert ESP-01/ESP-01S (without ESP-01S or ESP-01) into the 2*4 Pin row (in the direction of the arrow).
Description:
1>.TCP Server serial printsinformation
2>.DHT11 client sends temperature, humidity, and count to the server
3>.DHT11 add sleep function
4>. Initializes the add restart function. If the connection fails 10 times, restart the module
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Modulo RFID 125KHZ RDM6300 RFID Card Read UART–OKY3380-2 
