This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level ... I love all about electronics, circuit diagrams and crazy projects that can help us ...

If you are designing your own intelligent “Graden Computer” with an optional digital plant moisture sensor/water pump controller that lights an LED to alert the user when it is time to water a potted ...

The robot uses a whopping 32 IR sensors to follow a black line across a concrete workshop floor, adjusting its path using a steering motor salvaged from a power wheelchair. An Arduino Mega Pro ...

With small Arduino boards becoming more popular, Olympia Circuits ... of learning projects, the shield includes the following devices: - Four green LEDs - One RGB LED - One infrared LED - Two ...

In this article, we implement a rain and ice sensor by analyzing the reflection of an infrared (IR) light source. This project uses ... 3. IR LED driving circuit. Based on experience, the TIP121 ...

and IR remote, but never like this. [electron_plumber] made an LED that can be blown out like a candle, and amazingly it requires no added sensors. The project uses an Arduino to demonstrate ...