Skip to content

Instantly share code, notes, and snippets.

@suru-dissanaike
Last active September 23, 2020 18:31
Show Gist options
  • Select an option

  • Save suru-dissanaike/e2dd2a9b2f981c8b7b9826032faaf734 to your computer and use it in GitHub Desktop.

Select an option

Save suru-dissanaike/e2dd2a9b2f981c8b7b9826032faaf734 to your computer and use it in GitHub Desktop.
ESP32 IO PIN Function BME680 BQ27441 MH-Z19B ADXL345 Comment
13 Application PB 1 N/A N/A N/A Pull down push button
17 LED Green N/A N/A N/A LED
16 LED RED N/A N/A N/A. LED
32 SCL PAD 4 PIN 2 N/A. PIN14 I2C
33 SDA PAD 3 PIN 1 N/A. PIN13 I2C
25 RX (UART1) N/A N/A. RX RX
26 TX (UART1) N/A N/A. TX TX
21 GPOUT N/A PIN 12 N/A. This open-drain output can be configured to indicate BAT_LOW
22 LED Charge
23 Led Power
24 Charger status
36 ADC1 CH0 Mic
18 INT ACC
19 INT ACC
Break-out remove
6 SPI flash Remove
7 SPI flash Remove
8 SPI flash Remove
9 SPI flash Remove
10 SPI flash Remove
11 SPI flash Remove
1 UART0 TX Remove
3 UART0 RX Remove
15 LED Green
16 LED RED
12 boot fail if pulled high Remove
0 outputs PWM signal at boot
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment