Small, cheap UPS for Raspberry

Small, cheap UPS for Raspberry

As you know, if you use Raspberry, the operating system on SdCard is very fragile, that the reason you need to power off properly the…

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Charge pump DC/DC converter with Max756

Charge pump DC/DC converter with Max756

Here is two version of Max 756 PCB, the MAX756/MAX757 are CMOS step-up DC-DC switching regulators for small, low input voltage or battery-powered systems. The…

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