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home_automation:esp32 [2022/08/05 08:43] – created niziakhome_automation:esp32 [2022/12/21 15:10] (current) – niziak
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   * ESP32-S3 (2 core, WiFi, BT5.0)   * ESP32-S3 (2 core, WiFi, BT5.0)
  
-[[https://docs.espressif.com/projects/esp-idf/en/latest/esp32/hw-reference/chip-series-comparison.html|Chip Series Comparison]]+[[https://docs.espressif.com/projects/esp-idf/en/latest/esp32/hw-reference/chip-series-comparison.html|Chip Series Comparison]] 
 + 
 +===== Modules ===== 
 + 
 +  * ESP32 WROOM 32U 
 +  * D1 MINI 
 +  * 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 
 +