DFRobot LED Keypad Shield for Arduino - DFR0382 color sensor up to 30V Current Up

up to 30V Current Up to 4A Efficiency Up to 94% Frequency 400 kHz Protection Overvoltage

You can use a 1k resistor to make a pull-up voltage

Ham radios

magnet proof

There is less chance of unintentional shorts or bad connections due to the wide spacing

DFRobot LED Keypad Shield for Arduino - DFR0382 color sensor up to 30V Current UpReliable LED Parts for Indicators, Lighting, and DIY Builds The LED Keypad Shield For Arduino is a useful LED part for electronics, indicators, learning projects, and visual feedback in DIY builds. It is a simple way to add color, status signals, or light effects to a circuit. Whether you are building a beginner project or stocking up on common parts, LEDs like this are a staple for prototyping and repair work. They pair well with breadboards,