Introduction Have you ever gone to the beach on a hot summer day with your family only to complain that your phone is so low on battery that you can’t even take a selfie? Have you ever been concerned that you’re not putting on enough sunscreen, or sunscreen that isn’t strong enough? Have you always […]
Electric power tools changed the way most of us work around the house. Simple and quick, as no extension cords are needed. But they do come with some effort. I still have some power tools that are powered by old Ni-Cad or Ni-Mh batteries. They work great, but if they are not used on a
Automated Power Tool Charger Read More »
Some time ago I bought some Electric Tea Lights that are charged using a wireless charger. This charger has a power LED that shows when the Lights are charged. After 10 hours of charging the charges switches off. It seemed, however, that there is an issue with the charger since the power LED that shows
Tea Light Charger Monitor Read More »
Heavy duty portable charger for usb devices (phones, iPad, etc.) Ever needed to charge your phone on the go? Can’t find a wall socket to charge your iPod? Whenever I’m away from home for an extended period of time, I would charge my phone and mp3 player from my laptop. This way, I get about 3
Heavy duty portable charger for usb devices (phones, iPad, etc.) using PIC12F683 Read More »
9 Volt batteries extensively used in various electronics measurement equipment. Powering these devices with rechargeable batteries can be a cost effective solution. In this post a simple Lithium-ion 9 Volt Battery Charger design with overcharging protection will be presented. Charger is based on PIC16F876A microcontroller and uses its A/D module to monitor current flow into
9 Volt Battery Charger Read More »
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