ESP32 Cheap Yellow Display (CYD)

by admin ▪
on December 16, 2024

The ESP32 Cheap Yellow Display (commonly known as CYD) is a 2.8″ inch ESP32 Display ESP32-2432S028R ILI9341 Resistive Touch Screen 240×320 TFT LCD Module ESP-WROOM-32 Development Board for Arduino IDE. Lets first take a look the connectors and Pinout of the board.

Connector types

ConnectorTypeNote
P14P 1.25mm JSTSerial
P34P 1.25mm JSTGPIO
P42P 1.25mm JSTSpeaker
CN14P 1.25mm JSTGPIO (I2C)

GPIO Pins by GPIO

GPIOTypeDevice
GPIO 00Boot
GPIO 02RSTFT
GPIO 04REDRGB LED
GPIO 05SPI.CSSD Card
GPIO 12SPI-SDOTFT
GPIO 13SPI-SDITFT
GPIO 14SPI-SCKTFT
GPIO 15SPI-CSTFT
GPIO 16GreenRGB LED
GPIO 17BLUERGB LED
GPIO 18SPI.CLKSD Card
GPIO 19SPI-MISOSD Card
GPIO 21PWMP3 Backlight
GPIO 22P3 Header
GPIO 23SPI-MOSISD Card
GPIO 25SPI-CLKTouchScreen
GPIO 26DACAudio
GPIO 32SPI.DINTouchScreen
GPIO 33SPI.CSTouchScreen
GPIO 34ADCLDR
GPIO 35TouchScreen
GPIO 36IRQP3 Header
GPIO 39SPI-DOUTTouchScreen

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CYD

One response

  1. Nice! Useful information in a compact format. Very helpful since I want to connect an SPI device to a CYD via the pinouts to the MicroSD.

    Reply

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