Charlieplexing: Will save you I/O pins when driving LEDs
Charlieplexing: a LED producing light very slightly, although it shoudln't, based on its forward voltage - Electrical Engineering Stack Exchange
Charlieplexing buttons gives additional outputs - Raspberry Pi Forums
The Charlieplexing
Charlieplexing Arduino - Controlling 12 LEDs with 4 GPIO Pins
WaynePlexing Push Buttons (or, read 6 buttons using only 3 I/O pins) - Wayne's Tinkering Page
Charlieplexing - Wikipedia
led - Need help understanding charlieplex circuit - Electrical Engineering Stack Exchange
Complementary_Drive.png
How many I/Os are needed to drive electronic dice? – Tim's Blog
Charlieplexing - Wikipedia
multiwingspan
Charlieplexing LEDs with an AVR ATmega328 — StuffAndyMakes.com
Improve Charlieplexing Performance With Interrupts | Hackaday
The Charlieplexing
Charlieplexing Tutorial: LED Matrix Panels | Arrow.com
Charlieplexing - Wikipedia
Charlieplexing Made Easy (and What It Even Means?!) : 7 Steps (with Pictures) - Instructables
Design | Wayne and Layne
Charlieplexing LEDs — StuffAndyMakes.com
Charlie-plexing
Charlieplexing LEDs with an AVR ATmega328 (or Arduino) - Make:
Extended Charlieplexing - LEDs and Multiplexing - Arduino Forum
Charlieplexing - Wikipedia
![Charlieplexing LEDs on the ESP32 [waynejohnson.net]](https://blog.waynejohnson.net/lib/exe/fetch.php/charlieplexing:esp32-led-breadboard-charlie-2-pin.png "Charlieplexing LEDs on the ESP32 [waynejohnson.net]")
Charlieplexing LEDs on the ESP32 [waynejohnson.net]
Charlieplexing Arduino - Controlling 12 LEDs with 4 GPIO Pins
