If you buy something using links in our stories, we may earn a commission. Learn more. Last week I explained how to use a motion sensor to trigger an event with an Arduino. The event we triggered ...

arduino and tinkecad on LED and pnp transistor connect the (+) to pin (13) and connect the ground to (-) then start with capacitor (0.33mF) on (E) port and connect the out to the secend capacitor (0.1 ...

This repository contains two simple Arduino projects that demonstrate how to control a buzzer using transistors — one using an NPN transistor and the other using a PNP transistor. These are ...