This simple mains 220 V, 110 V AC voltage home protector circuit will protect all the mains operated appliances of your home from high and low voltage situations and also […]
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Transcranial Random Noise Stimulation (tRNS) Circuit
The post discusses a basic Transcranial random noise stimulation (tRNS) circuit diagram which can be implemented externally for stimulating brain cells, resulting in an enhanced performance of the brain. The […]
How to Connect and Use RCWL-0516 Microwave Motion Sensor
In this article we will comprehensively learn about the RCWL-0516 a microwave proximity motion sensor which uses Doppler radar. Here, we will discuss the following points: What is RCWL-0516 It […]
How to Use TTP223 Capacitive Touch Switch Module [Pinouts Explained]
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, […]
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 […]
High Efficiency Li-Ion LED Driver Circuits Explained
The post explains a high efficiency 1.5 V to 4.2 V LED driver circuits which can be used with a standard Li-Ion battery for enhanced illumination, extended battery backup and […]