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Ever wondered how a solar-powered lamp powers an LED with just a single 1.2 V cell? A closer look reveals a clever single-transistor voltage...

The Fnirsi S1 multimeter features a large color display and is also smart, meaning that it detects whether a DC voltage, an AC voltage or a...

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| In these days of e-bikes, electric scooters and other vehicles, powerful programmable power supplies are essential for testing motors and ch...

| Dive into the world of microcontrollers and LEDs as we guide you through the creation of a mesmerizing 8x8 LED matrix, powered by Arduino an...

| This article shows simple circuits of square wave generators with independent control of duty cycle and frequency. The duty cycle can be ind...