Circuits DIY – Page 121

Introduction PCB boards are essential for any electronic project, device, or gadget. It is presently the most incredible and advanced tool f…

Introduction Every one of us knows how necessary is to measure environmental temperature and humidity. But, the more significant aspect is t…

An IR receiver circuit is a simple circuit including an IR receiver and a transistor. In this circuit, the receiver used is a 38kHz transmit…

Snubbers are the circuits of energy absorption used to smooth the circuit’s inductance voltage spikes. Overvoltage and overheating of the co…

The reed switches have an unbelievably high mechanical switch reliability and can operate for billions of cycles before they fail. They will…

In this DIY, we are making a “Fridge door alarm circuit using 555 and LDR.” The name “Fridge door alarm circuit” itself deduces the applicat…

Introduction To understand the environmental activities and to protect humans from any unfavorable environmental conditions, environmental s…

In this DIY, we are demonstrating the School/College Quiz Buzzer Circuit using 555 Timer IC which is easy to make and requires a few compone…

Introduction If you're concerned to measure the temperature readings around your environment at an affordable price, then you're surely on t…

Introduction Sometimes you may have observed that when we give supplies to our electronic or electrical appliances, they take some time dura…

In this tutorial, we are going to make a "multipurpose FM transmitter circuit". The FM (frequency modulation) transmitter is a low-power tra…

You probably witnessed various types of adornment lighting patterns. Among them, the LED Chaser circuit is generally widespread. Meanwhile…

Introduction: A volume level or audio level meter is a common hand-held device that is designed to measure the levels of volume in a systema…

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