Hardware Reference
Reference pages for each hardware component the workshops in this section use. Each page covers what the part is, key specs, links to datasheets and tutorials, and suggested suppliers.
Boards
- Cheap Yellow Display (CYD) - ESP32 + 2.8" TFT touchscreen in one board. Used in Workshops 02, 04, and 05.
- ESP32-C3 - RISC-V SoC with WiFi + Bluetooth 5 (LE). The default board used across all five workshops.
Displays
- 1.3" OLED Display (SH1106, I2C) - Compact monochrome OLED used in Workshop 03 as an alternative to the CYD's TFT.
Sensors
- AHT10 Temperature & Humidity Sensor (I2C) - Used in Workshop 03 to read environmental data and put it on-chain.
Actuators
- Relay Module 3V, 1 Channel - Switches AC/DC loads from a 3.3V microcontroller. Used in Workshop 02's "Light up the Tree" lesson.
- WS2812B LED Ring (12 LEDs) - Addressable RGB LED ring used to build the Epoch Clock in Workshop 02.
Adapted from the CardanoThings project, originally produced under Project Catalyst Fund 11. Source: github.com/CardanoThings.