This project is about controlling DC motor with Arduino and MOSFET, as MOSFET is small electronic part but very strong which can handle big current. Arduino cannot drive big motor directly, so MOSFET help Arduino to run motor safely; therefore, this Arduino DC Motor Controller Circuit using MOSFET is simple, safe and cheap. Arduino Code: […]
Mini Projects
Arduino Based 55W Halogen Light Controller Circuit
To begin with, this project controls a 55W halogen lamp using an Arduino, here, the Arduino provides a low-voltage signal, while the MOSFET handles the high voltage and high current. Also, this circuit is useful for dimming, ON/OFF control and automation projects. Arduino Code: Circuit Working: Parts List: Components Values Quantity Resistor 1k 1/4 watt […]
Simple Transistor Based Touch Switch Circuit
This article is about a Simple Transistor Based Touch Switch Circuit, it works when finger touches the pad with no push button used; human body gives small signal and circuit senses this signal. The circuit uses two NPN transistors and an LED as the output, also it operates with only a 3V supply, making it […]
Arduino Touch Sensor Relay Circuit
Want to control appliances by touch? then this circuit makes it possible, as this Arduino Touch Sensor Relay Circuit uses Arduino and touch sensor. The Arduino reads the touch signal and uses the relay as a toggle switch. When we touch the sensor once, the relay turns ON and when we touch the sensor again, […]
Op Amp 741 Sound Generator Circuit
Here is the tutorial for small circuit with big sound; this Op Amp 741 Sound Generator Circuit creates stable tone for hobby projects. The Op amp works like mini sound machine with no complex parts and with no hard wiring, just connect parts and enjoy instant sound in just few minutes. Also, this circuit is […]
Audio Sound Generator Circuit using IC 555
Want a simple sound maker? then make noise with this electronic circuit; this small circuit makes loud beep sound from speaker using only one 555 timer, then the circuit turns 9V battery into instant audio tone. Also, this Audio Sound Generator Circuit using IC 555 is easy to build and is great for learning. Circuit […]