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ESP8266 (ESP01, ESP01-S)

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De ESP8266 is een goedkope microprocessor met Wi-Fi mogelijkheid en een volledige TCP/IP stack. De ESP8266 is ontwikkeld en wordt geproduceerd door de Chinese fabrikant Espressif Systems uit Shanghai.

Pin bezetting

Pin-out ESP01 en ESP01-S

ESP8266 Pin Configuration

Pin NumberPin NameAlternate NameNormally used forAlternate purpose
1GroundConnected to the ground of the circuit
2TXGPIO – 1Connected to Rx pin of programmer/uC  to upload programCan act as a General purpose Input/output pin when not used as TX
3GPIO-2General purpose Input/output pin
4CH_ENChip Enable – Active high
5GPIO – 0FlashGeneral purpose Input/output pinTakes module into serial programming when held low during start up
6ResetResets the module
7RXGPIO – 3General purpose Input/output pinCan act as a General purpose Input/output pin when not used as RX
8VccConnect to +3.3V only 
Pin Configuration

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