Cheap Yellow Display (CYD)

The Cheap Yellow Display (CYD) is an affordable ESP32-based development board with an integrated 2.8" TFT display and resistive touch panel. It's the default board for any lesson in this section that needs a screen - Workshops 02, 04, and 05.

Features

• ESP32-WROOM-32 microcontroller (240 MHz dual-core)
• 2.8" 320×240 ILI9341 TFT LCD display
• Resistive touch panel (XPT2046)
• MicroSD card slot
• 3.5 mm audio jack with speaker amplifier
• LiPo battery connector (with charging circuit)
• 30+ GPIO pins
• WiFi and Bluetooth
• USB-C for programming and power

Resources

• ESP32 CYD - Getting Started Guide - community repo with the canonical User_Setup.h for TFT_eSPI.
• ESP32 CYD Pins reference
• ESP32 CYD on Random Nerd Tutorials
• ESP32 CYD Case STL files - 3D-printable enclosure.

Where to buy

• AliExpress
• Amazon US
• Amazon Germany

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Adapted from the CardanoThings project, originally produced under Project Catalyst Fund 11. Source: github.com/CardanoThings.