There are several other quiz buzzer projects kicking around Hackaday if you’re interested. One of our favorites is this system which uses plastic bowls as the buttons.

Since [Chuck] only had a short bit of time and a tiny budget to work on, he opted to find the easiest solution to the problem, which was an Arduino-based game show buzzer system. The game display ...

Full Review: <a href="https://thinkcomputers.org/hollyland-lark-m1-wireless-microphone-system-review/">https://thinkcomputers.org/hollyland-lark-m1-wireless ...

Homeowners have praised an £11 Amazon doorbell for being 'foolproof' and a 'game changer' when it comes to missed parcels. The buzzer, which has received 9,000 ratings, features a wireless ...