DIY 60w battery pack “Recently, I was planning to get a 60W PD power bank for my laptop so that I don’t need to worry about my laptop running out of battery during lectures.

One of the great things about the Arduino is that it’s totally open source so you can make your own variations on it. Case in point, DIYer Johan Kanflo’s AAduino, which comes in at the size of ...

Posted in Arduino Hacks, hardware Tagged aa battery, aarduino, arduino, arm, arm cortex m0, Crowd Supply, hoperf, RFM69CW, wireless, Wireless sensor Just A Taste Of The Talks At Supercon → ...

For simplicity, I used a resistive load (the original plan was to use a 4.7R resistor but I didn’t have any high power resistors to hand so I used 4 22R resistors in parallel instead giving me ...

What do you do if even the smallest Arduino boards (or their clones) are too big for your homebrew project? If you're Johan Kanflo, you find a way to make them even smaller. His AAduino project ...