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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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 […]
Breath Detector Circuit
The breath detector circuit explained below can be used to check or monitor the breathing function of a human or patient. Let’s understand the detailed working of the circuit from […]
High Voltage Constant Current Source Circuit
The presented circuit offers an adjustable constant current source capable of reaching up to 60mA, operating at voltages as high as 350V. Circuit Description The input stage, consisting of resistor […]
Audio Amplifier Circuit using IC L165
The discussed audio amplifier circuits are designed around the versatile L165V amplifier IC, which is quite adaptable in various scenarios. Working Voltage Range While the minimum recommended supply voltage is […]
Constant Current Generator Circuits Explained
Constant current generators (CCGs), as the name suggests, are circuits designed to produce a steady load current regardless of significant fluctuations in load resistance or voltage levels. Basic Constant Current […]