In this article we are going to learn how to connect and use the TTP223 capacitive touch switch module. These modules work using 2.5V to 5V. They are all pre-debounced, […]
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PIR Controlled Solar Garden Light Circuit
The post explains a simple automatic PIR controlled solar garden light circuit which will switch ON the LEDs only under two conditions: when it is completely dark and when a […]
5 Useful Power Failure Indicator Circuits Explained
In this post we will learn 5 useful power supply failure indicator circuits which can be used to get an instant indication regarding an input power failure situation. This post […]
Blinking LED Bow Tie Circuit
In this post we will discuss how to build an LED bow tie circuit which will activate and blink a few LED lights stuck on your bow tie in response […]
Design your own Sine Wave Inverter Circuit from the Scratch [Tutorial]
In this post we will discuss comprehensively regarding how to design a sine wave inverter without any form of coding or complex circuit designs. The included designs are simple yet […]
Sound Activated LED Lamp Circuit
A highly sensitive sound activated LED lamp circuit can be built using just a few transistors and resistors. The circuit is actually a high gain MIC amplifier circuit which amplifies […]