Difference between revisions of "ED-BTB"

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(Pin Definition)
 
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</gallery>
 
</gallery>
 
== Pin Definition ==
 
== Pin Definition ==
 +
 
* Platform board Pin Definition
 
* Platform board Pin Definition
 +
* Interface includes
 +
* 1x SPI
 +
* 1x I2C
 +
* 1x UART
 +
* Power supply 3V3 / 5V / GND
 +
* 1x general GPIO: ESP8266: IO16
 +
 
{| class="wikitable sortable"
 
{| class="wikitable sortable"
 
|-
 
|-
! - !! Pin definition Left !! Pins Left !! Pins Right !! Pin definition Right !! -
+
! - !! Child-Function-Left !! ESP8266-Left !! ESP8266-Right !! Child-Function-Right !! -
 
|-
 
|-
 
| 1 || 3V3 || 3V3 (dot mark) || GND || GND || 2
 
| 1 || 3V3 || 3V3 (dot mark) || GND || GND || 2
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| 11 || RST || IO16 || MCU_RXD || UART || 12
 
| 11 || RST || IO16 || MCU_RXD || UART || 12
 
|}
 
|}
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<gallery>
 +
File:ED-BTB_pin_sch.png | ESP8266 Platform Board BTB SCH
 +
</gallery>
 
* 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
 
* 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
  

Latest revision as of 03:08, 16 October 2020

Specification

Pin Definition

  • Platform board Pin Definition
  • Interface includes
  • 1x SPI
  • 1x I2C
  • 1x UART
  • Power supply 3V3 / 5V / GND
  • 1x general GPIO: ESP8266: IO16
- Child-Function-Left ESP8266-Left ESP8266-Right Child-Function-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

Height

  • ESP8266 Platform Board + Child Board Total Height = 3mm
  • ESP32 PLatform Board + Child Board Total Height = 5mm