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12V Lead Acid Battery Charger with LM338
This circuit can be found on LM338 datasheet. It can be used to charge a…
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cheap 18650 batteries and TP4056 charger
Chinese gadgets could really save your day with their low prices but you should be…
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Fixing Apple iPhone earphones
The new Apple iPhone earphones are great but they require your affection. My left earphone stopped working…
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Fix a cheap WiFi dongle for Raspberry Pi
I use a cheap WiFi dongle on my Raspberry Pi 2 that I bought from…
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