This single MOSFET solid-state relay SSR circuit is a very simple where you can drive an AC load like a lamp, motor, or any oter AC load, through a small DC control voltage. We use only one IRF840 MOSFET to switch the 220V AC load, and we do this with some clever diode bridge arrangement, […]
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Single Ended nOOds, 300mm long Flexible LED Filament, Warm White 3V
So here we are talking about this cool looking thing called Single Ended nOOds, basically it is a type of flexible LED filament which is 300mm long which means around 30 cm, like one standard scale. It glows in warm white color and works nicely with just 3V DC. What is it, actually? This LED […]
How to Connect 5V Relay Module: Testing and Interfacing
In this post we are talking about this handy little gadget called a 5V single-channel relay module. It is super useful for our microcontroller projects whether we are using Arduino, Raspberry Pi, or even the ESP8266/ESP32. Let us break it down together, what it is, how it works, and how we can connect it. Understanding […]
Automatic Door Controller Circuit Diagram using a Single Push-Button
This door controller circuit works in this way: Initially the door is in the closed state. When a push button is pressed, the door begins opening until it reaches the end of the course. When it reaches the end, it automatically reverses its direction and now the door begins closing. It keeps moving until it […]
100 Watt Power Amplifier Circuit Diagram using a Single IC TDA7294
Building a power hi-fi amplifier with MOS transistors requires the implementation of a relatively large number of components because, at the level of power stages, the connection between the bipolar transistors that make up the input stages and the MOS transistors of the output stages is far from simple. Fortunately, there is an elegant solution […]
100 to 160 watt Power Amplifier Circuit Diagram using a Single IC OPA541
For anyone who is searching for an audio amplifier with massive output power in the order of 100 watt to 200 watts, using an absolute minimum parts count, this particular circuit will accomplish it. How the Circuit Works The IC OPA541 from Burr-Brown is a power opamp is specially designed to work from power supplies […]