4x4 Matrix Keypad raspberry pi camera module and easy integration into a

and easy integration into a variety of systems

8MB PSRAM and 16MB of flash storage

5A via USB-C

cumbersome strands of alligator clips

the Trinkey supports CircuitPython and Arduino

4x4 Matrix Keypad raspberry pi camera module and easy integration into aPunch in your secret key (or Jenny's number) into this numeric matrix keypad featuring 16 buttons arranged in a 4x4 grid. The keys are connected in a matrix format, requiring only 8 microcontroller pins (4 columns and 4 rows) for scanning. This keypad includes headers for easy breadboard hookup, requiring light soldering to attach. Alternatively, you can use plain wires. It's a sturdier version of our Membrane 3x4 Matrix Keypad. The left side has four