Chao at 04:49, 22 April 2021

2021-04-22T04:49:55Z

New page

== Common ST7725 Pins (ST7789 Could be Same) ==
* All logic pins are 3V3, arduino may not work
* Power supply can be 5V if has on board LDO

{| class="wikitable sortable"
|-
! CONN !! Pins !! Or Name !! Functions !! Arduino !! ESP32
|-
| MUST || LEDA || LED+ || Back light positive 3V3 || 3V3 || 3V3
|-
| MUST || GND || GND || GND || GND || GND
|-
| MUST || Reset || RST || Reset || D8 || IO4
|-
| MUST || RS || DC / AO || Data/Command select || D9 || IO2
|-
| MUST || SDA || MOSI || Data || D11 || IO23
|-
| MUST || SCL || CLK || Clock || D13 || IO18
|-
| MUST || VDD || 3V3 || Power Analog, check if board has on board LDO || 3V3 or 5V || 3V3
|-
| MUST || CS || CS || Low enable || D10 || IO15 / IO5
|-
| Optional || DO || MISO || Optional or NC || D12 || -
|}

== Common Version ==
{| class="wikitable sortable"
|-
! PINs !! Installation !! Sizes !! Supply !! ESP32
|-
| 8 || FPC Socket-UP || 0.96 || KJ || Not Working
|-
| 13 || FPC Soldering || 0.96 || KJ

|-
| 10 || FPC Socket-DN || 1.77 || KJ || ?
|-
| 12 || FPC Socket-DN || 1.77 || KJ || ?
|-
| 14 || FPC Soldering || 1.44 || KJ || ?
|-
| 14 || FPC Soldering || 1.77 || KJ / FPC
|-
| 8 || PCB || 1.8 || EDS || Working
|-
| 14 || FPC Soldering || 1.8 || QD || ?
|-
| 14 || FPC Socket-DN || 1.8 || ZJY || ?
|}

== Demo Code ==
* STM32 - (Longan - badapple) - https://github.com/hechao/Longan_GD32VF_examples
* Arduino TFT-eSPI library

[[category: LCD Drive]]

[[category: SPI TFT LCDs]]

ST7735 - Revision history

Chao at 04:49, 22 April 2021