Figure an Arduino most matches the "Other" category. To be specific, it isn't an Arduino brand, it is a DigiSpark, but the trouble isn't with the device itself. The problem is with a buzzer. I got ...

TK has combined a PIR with an Arduino to create a smart safety light for the house or workshop. Follow along as this gets built out into a more extensive project. ... the “status indicator” — LED on ...

Inside the cool laser-cut box is an Arduino Uno and a 9V battery, plus a current-limiting resistor and the all-important buzzer. ... to build a project based on your 1D LED pong, Arduino-style ...

5mm Red LED ; 5V Piezo-Buzzer ; 9V battery; PIR/IR sensor (see text) Sensor Input. Advertisement. Partner Content. Seven Powerful Reasons Why Menta eFPGA Is the Clear Choice for A&D ASICs. 07.07.2025.

Working from home with regular video meetings has its challenges, especially if you add kids to the mix. To help avoid embarrassing situations, [Charitha Jayaweera] created Present!, a USB device t… ...