João Pereira

5 Projects 13 Followers 1 Following

Programmable LDR Sensor

227

A simple sound intensity meter. Using an analog port on an arduino. The sound intensity range is shown by the different color of an RGB led.

Sound Level Measurement

240

A robot with a sonar sensor.

1.7K

A simple time count (down) with 7-segments displays.

Count Down (2 Digits of 7-segments)

5.4K

Aquarium fish tank controller (light, filter and feeder).

Fish Tank Aquarium

2.1K