Project gumstick – surface mount pwm5 solar charge controller
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Vlog style post: I've been designing a new PCB for the PWM5…
Wilko 12v g4 led lamp plus 3 other wilko items
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Full examination of these super cute G4 LED light bulbs powered from…
Julian’s postbag: #117 – solder paste spectacular
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com A video in which I open my post :) Huge thanks to…
5v usb led strip with touch switch for med workshop
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Teardown of a 5V USB LED light bar with touch sensor switch.…
700f super capacitor protection pcb – reverse engineer update
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com A final look at the protection PCB for the 630F and 700F…
Julian’s postbag: #116 – super capacitor module and flux
A video in which I open my post :) Huge thanks to the wonderful people who support my channel via…
Anti backfeed test – 10 farad super capacitors and ltc3780
What are the issues if I charge a bank of supercapacitors from a buck/boost converter with no anti-backfeed diode?
I designed a printed circuit board pcb
$2 for 10 PCBs - 100% Top Quality - https://jlcpcb.com The first PCB I've made for many years - which…
Adding a switch to the ltc3780 buck/boost controller
I want to use this LTC3780 buck/boost converter to charge the supercapacitor array in my Bluetooth speaker project. But can…
Reverse engineering a supercapacitor protection pcb
This protection PCB uses a TL431 and 2 transistors to protect/balance the 2.5V 700F supercapacitor