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home_automation:esp32 [2022/12/19 20:54] – niziakhome_automation:esp32 [2022/12/21 15:10] (current) – niziak
Line 14: Line 14:
   * D1 MINI   * D1 MINI
   * WEMOS LITE   * WEMOS LITE
 +
 +===== Pins =====
 +
 +Max voltage on any pin is 3,3V!
 +
 +==== Straping pins ====
 +
 +Following pins state are latched into ''GPIO_STRAPPING'' register during reset:
 +  - MTDI
 +  - GPIO0
 +  - GPIO2
 +  - MTDO
 +  - GPIO5
 +
 +==== Input only pins! ====
 +
 +
 +Input only GPIOs! Or differential ADC.
 +  * GPIO34 = ADC1_CH6
 +  * GPIO35 = ADC1_CH7
 +  * GPIO36 = ADC1_CH0 = SENSOR_VP 
 +  * GPIO39 = ADC1_CH3 = SENSOR_VN
 +