Difference between revisions of "ED-BTB"

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! - !! Pin definition Left !! Pins Left !! Pins Right !! Pin definition Right !! -
 
! - !! Pin definition Left !! Pins Left !! Pins Right !! Pin definition Right !! -
 
|-
 
|-
| 1 || 3V3 || 3V3 || GND || GND || 2
+
| 1 || 3V3 || 3V3 (dot mark) || GND || GND || 2
 
|-
 
|-
 
| 3 || +5V || +5V || IO15 || SPI_CS || 4
 
| 3 || +5V || +5V || IO15 || SPI_CS || 4
 
|-
 
|-
| 5 || SPI_MOSI|| IO13 || IO4 || I2C || 6
+
| 5 || SPI_MOSI|| IO13 || IO4 || I2C_SDA || 6
 
|-
 
|-
| 7 || SPI_MISO || IO12 || IO5 || I2C || 8
+
| 7 || SPI_MISO || IO12 || IO5 || I2C_SCL || 8
 
|-
 
|-
 
| 9 || SPI_SCK || IO14 || MCU_TXD || UART || 10
 
| 9 || SPI_SCK || IO14 || MCU_TXD || UART || 10

Latest revision as of 00:26, 15 September 2020

Specification

Pin Definition

  • ESP8266
- Pin definition Left Pins Left Pins Right Pin definition Right -
1 3V3 3V3 (dot mark) GND GND 2
3 +5V +5V IO15 SPI_CS 4
5 SPI_MOSI IO13 IO4 I2C_SDA 6
7 SPI_MISO IO12 IO5 I2C_SCL 8
9 SPI_SCK IO14 MCU_TXD UART 10
11 RST IO16 MCU_RXD UART 12
  • ESP8266 Base Board default use IO12/IO14 as software serial input, these two pins disconnect from pin 7/9, but connect to uart pin 10/12