Arduino pwm solar charge controller #4 – closing the loop
Time to close the loop and put battery voltage maintenance under control of the Arduino. Bit of maths, bit of…
Arduino pwm solar charge controller #3 – open loop control
I've opened up a PWM5 solar charge controller and put an Arduino Pro Mini where the PIC 12F683 used to…
Update: 5-cell 18650 usb mobile power bank – howler?
There's a serious problem with this powerbank - not sure if it's just mine, or a fundamental design problem.
Review: 5-cell 18650 usb mobile power bank see update
IMPORTANT See the update to this review - http://youtu.be/DsNSigmEwB8. There's a problem with this powerbank - RIPPLE. And I mean…
10k thanks
Ten thousand thank yous! Julian's Other Stuff: https://www.youtube.com/channel/UCeewzdnwcY5Q6gcbnZKIY8g
Build a monster bright 30w led garden solar light #3
Wiring the charge controller and daylight switch.
Build a monster bright 30w led garden solar light #2
Mostly woodwork in this video, which went surprisingly well - better than expected.
Build a monster bright 30w led garden solar light #1
How to build a monster bright LED garden solar light. This one uses a 20W solar panel, an old car…
Update: 2-cell/3-cell 18650 usb mobile power banks
Putting right a few wrongs. The 2-cell power bank isn't as bad as I thought.