Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Arduino Uno R3; 5mm LDR; 10K ¼W Resistor; 1K ¼W Resistor; 5mm Red LED ; 5V Piezo-Buzzer ; ... (PIR) Sensor. The PIR Sensor detects the motion of a human body by the change in surrounding ambient ...

Posted in Arduino Hacks, Holiday Hacks Tagged arduino nano, DF Player Mini, PIR sensor, power LED, raven Motion-Activated Clock Only Lights Up On Command December 16, 2022 by Lewin Day 8 Comments ...

This sensor is relatively complex to set up, but it works with older Arduino boards like the first-gen Uno. 3. Water pH Level Meter ... PIR Motion Sensor .

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… ...