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Electronic Projects |
| # | Project | Info |
| 05 | LED Dot Matrix Module: Chicago Dice! | Arduino Nano microcontroller-based game, with expansion connector. |
| 10 | QT-PY RGB LED Die |
Project A: Adafruit QT-PY and a 3x3 matrix of regular LEDs. Project B: Adafruit QT-PY and two 3x3 matrices of RGB Neopixel LEDs. |
| 16 | Nano Neo Strands | Arduino Nano-based driver board for up to 4 strands of Neopixel RGB LEDs. |
| 17 | QT-PY 8x8 RGB LED Dice | Adafruit QT-PY driving two 8x8 RGB LED matrices. |
| 18 | Single-Multistep CPU Clock Module | A PCB using Ben Eater's 1-500Hz CPU Clock design for both single-step and multi-step functions. |
| 19 | Variable CPU Clock Module | Variable 1Hz-500Hz CPU Clock Module. |
| 27 | Project 27: Nano-Atmel Programmer | Arduino Nano used as chip programmer for ATmega328, ATtiny84 and ATtiny85. |
| 27a | 'Coding in Bare Metal C' | Use 'bare metal C code' to program an ATtiny85 as a square wave generator for use as a CPU clock. |
| 28 | Project 28: ATtiny85 CPU Clock | ATtiny85 microcontroller used as a slow clock generator. Includes "How to Program an ATtiny85". |
| 39 |
Same as above but with ESP32 I2C-based 8x16 LED Dot Matrix display. |
|
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40 |
AVR & ESP32 LED Module Tubes | Four 4-digit 7-segment LED modules or tubes provide time & date and temp & humidity. |
|
45 |
ESP32 CYD Master
& ESP32 Sensor Nodes
 |
Fifteen AHT10/SGP40 sensor node boards send their ESP32-C3 or ESP32-S3 Super Mini data to the master ESP32-2432S028R CYD server board via HTTP. |
|
47 |
ESP-CYD EN, NT,
ST, WM, YTM
|
Enviro Net, News Ticker, Sports Ticker, Weather Monitors built on the CYD (ESP32-2432S028R) Cheap Yellow Display board). |
|
47a |
ESP32-CYD WiFi
Sentinel
 |
WiFi network monitoring on an ESP32 CYD. |
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48 |
Breadboard Power Supply & Slow Clock
|
Breadboard power rail based 5v/5A power supply and slow clock for CPU dev. |
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49 |
Web Radio
|
JC4827W543C ESP32-S3 4.3" dev module display panel mounted on a PCB with sensors runs the display as a web-based radio. |
| 50 | TFT Feather/clone with Tc/Hu/AQ sensors in a very small footprint. | |
| 51 | Smart USB-C based plug-in night light made with ESP32-C3. | |
| 00 | Older archived projects of which several use the 5v Arduino UNO R3. | |
| What's next ? | ||
EP_43.html
Updated 2026-10-14
