High Power LED flashing beacon uses a switching regulator

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https://www.electronics-lab.com/high-power-led-flashing-beacon-uses-switching-regulator/

This flasher/beacon circuit can be employed as a distress signal on highways, a direction pointer for parking lots, hospitals, and hotels, etc. The circuit uses a power LED, and provides more light than a typical incandescent lamp flasher. Use of a 6 V or 12 V SLA lantern battery makes the circuit portable. The heart […]

5V to 400V DC-DC converter

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https://www.electronics-lab.com/5v-to-400v-dc-dc-converter/

Bob has tipped us with his latest project. It’s a 5V to 400V DC-DC Converter based on MC34063 IC and can be used in various projects such as Geiger–Müller counters. A small and cheap 5V/400V DC/DC converter can be useful in many DIY projects, e.g Geiger–Müller counters. I will present here one of such DC/DC converter based […]