In this post I have explained a high energy surge suppressor circuit using high capacity industrial MOVs for suppressing high current mains surges in industrial electrical lines. The Circuit Problem: I’ve been reading a lot of your design ideas and I am extremely impressed with your designs. I don’t have anywhere near your level of […]
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Natural Mosquito Repellent Using High Watt Resistor
As the name suggests, to build this simple natural mosquito repellent circuit you will just require a high watt resistor, a few drops of lemon eucalyptus oil and mains supply input. Chemical Based Mosquito Repellent are Harmful for Health You might be already familiar with these popular ready made mosquito repellent units which come in […]
High Current Triac BTA41/600B – Datasheet, Application Note
Triacs are one of the most important active electronic components which are exclusively used for power switching applications, these devices are especially suited to AC mains loads, and are able to switch large currents consistently. Triacs are the solid state replacements to mechanical relays, and come configured as static relays. The modern triacs today are highly sophisticated […]
High Power 250 Watt MOSFET DJ Amplifier Circuit
The powerful DJ MOSFET amplifier circuit design provided in this article is reasonably easy to build and will produce a thumping 250 watts of music into a 4 ohm loudspeaker. Use of HEXFETs at the output ensures monstrous current and voltage amplification. The involvement of MOSFETs or rather HEXFETs at the output stage of this […]
High Efficiency Li-Ion LED Driver Circuits Explained
In this post I have explained 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 long battery life. Main Features Using IC LT1932 The IC LT1932 is a fixed frequency step-up DC/DC converter intended to function as […]
High Voltage DC Motor Speed Regulator Circuit
In the realm of motor control systems, high voltage DC motors play a crucial role in numerous industrial and automotive applications. Efficiently controlling the speed of these motors while ensuring operator safety and isolating sensitive components can be a challenging task. However, with the advent of advanced technologies, such as optocoupler motor controller power stages, […]





