Showing posts from October, 2021Show all
IC
How to Make DC Converter From DC 5V to DC 3V With IC AMS1117
With 5v power supply is really popular and available such as: power bank, USB…
spot welding
How to Make a Spot Welding From a Old Microware Oven Transformer
I bought a mini battery cell solder circuit. But the result was not as expect…
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