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.
Pulse width modulation – watching and listening
Now you can both see and hear the pulse width modulation in a PWM solar charge controller.
Listening to pulse width modulation – morningstar sunguard sg4
Just playing around with a pulse width modulation solar charge controller.
Review: 2-cell/3-cell 18650 usb mobile power banks
Two cheap 18650 mobile power banks reviewed. I'd already decided which one I liked best before filming the review, but…
Garden solar light checks high power led upgrade… fail!
What started as a check on some garden solar lights, turned into an ultimately futile attempt to put a high…
Manufacturing the pwm5 solar charge controller #2
More of the manufacturing steps used to make the PWM5 solar charge controller
12v led strips for kitchen under cabinet lighting #2
Phase 2 of my kitchen under cabinet lighting project. But has the forst set of LED strips changed colour after…
Pwm5 easy connect – crocs, bananas and mc4s
I always planned to sell an enhanced version of the PWM5 solar charge controller with a set of connectors to…
Review: 30,000mah solar power bank – it’s a pile of junk!
eBay is awash with these solar mobile power banks, most claiming way more storage capacity than is genuinely inside -…