The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...

With small Arduino boards becoming more popular, ... Olympia Circuits Teases Arduino Programmers With $60 Arno Shield. ... - An I2C digital temperature sensor to introduce between-device digital ...

Here’s your useful and beautiful circuit for the day — [New Pew]’s vibration sensor takes manual control of the flip-flop inside a 555 timer and lights an LED in response. Use it … ...

Say, you’re starting your electronics journey with a few projects in mind. You have an ESP8266 board like the Wemos D1, a Li-Ion battery, you want to build a small battery-powered sensor that… ...

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level. It uses ... circuit diagrams and crazy projects that can help us achieve almost ... 15 ...