This 41-button Arduino keyboard PCB is a stepping stone to his ... The keypad uses an onboard ATMega328P to scan the matrix for button presses, decode them, and send them via UART or I²C to ...

So, [Max] created an Arduino rig to do the same thing. The Arduino uses a shift register to interact with the keyboard’s 8×10 matrix, and the sketch translates any serial data it receives into ...

Our project is infact an Arduino with Serially Interfaced MAX7219 Operates an 8X8 LED Matrix to display a heart pattern. The MAX7219 IC is a serial input/output common-cathode display driver that ...

The keyboard of the Optima SP 26 features a standard matrix design, allowing maniek-86 to connect the interface with an Arduino Leonardo microcontroller board.

2) Display information to LCDs controlled by your Arduino. 3) Be programmed to act as an extensive combination lock 4) Offer commands, such as ENTER, LOAD, CLEAR, etc.

Most of us have an 8x8 LED matrix from one of our Arduino kits. What can we do with them? This module investigates how to use these interesting devices. Along the way, we describe a fun electronics ...

To make that actually work, Robofun paired an Arduino board with some capacitive controllers for the base, and connected that to a Raspberry Pi that linked the keyboard to the TV. Unconfirmed ...

Figure 1 This circuit for a 4×3 keyboard shows a more efficient architecture using two CD4017 Johnson counters with only two I/O pins. The example described here showshow to implement this method to ...

Adafruit has this week announced the arrival of the new Arduino RGB Matrix Shield which is now available to purchase priced at $5.95. Any of your projects that use a Arduino-compatible board ...