What would you like to build?
Search Arduino, ESP32, circuits, amplifiers and more.
Ideas become circuits.
Circuits become projects.
Practical Arduino, ESP32 and electronics tutorials. Explore real projects, learn how circuits work and build something extraordinary.

Slim 64 × 16 cm Electronic Cricket Scoreboard
Slim 64 × 16 cm electronic cricket scoreboard displaying Runs, Wickets and Overs in rotation with remote and browser control.
Explore this project →Choose your next build
Tag: Counter
7 articles

Infrared based music transmitter and receiver
Practical electronics projects and step-by-step guidance for makers.
Read tutorial ↗
RC module
Practical electronics projects and step-by-step guidance for makers.
Read tutorial ↗
Counter module
Practical electronics projects and step-by-step guidance for makers.
Read tutorial ↗
Up counter with multivibrator module
Practical electronics projects and step-by-step guidance for makers.
Read tutorial ↗
Up Counter
An up counter simply counts from 0 to 9. We can use this circuit to make digital object counter. This circuit can also be used to make a digital clock.
Read tutorial ↗
Digital Object Counter using LDR and digital IC
555 timer configured in monostable mode is a simple automatic dark sensor circuit that gives output when light falling on LDR is blocked.
Read tutorial ↗
Object counter using LDR and calculator
To make an object counter we can use a simple dark detector circuit and a normal calculator. Pole and NO (Normally Open) terminals of a relay have...
Read tutorial ↗