Update: supercapacitor powered bluetooth speaker
My 10k resistor mod to override the amplifier mute, is causing problems with speaker thump. Also, checking a different method…
Project idea: 8-cell balancer discharger using 9 arduinos
Disappointment with the extremely slow balance charging of the Turnigy 8150 got me thinking about a new project.
Review: 7.5w solar rucksack backpack from banggood
This nice looking green/brown denim rucksack has a solar panel which delivers more power than its 5W specification would suggest…
Muppet 2 – a bidirectional buck/boost dc/dc converter
New idea for the evolution of my MuPPeT (Maximum Power Point Tracking) solar charge controller.
Supercapacitor bluetooth speaker testing
Testing the amplifier module and 8 ohm speaker. Applying a modification to enable the Aux socket. Testing the module on…
Measuring the capacitance of a supercapacitor
Using the formulae for Coulombs to measure the capacitance of a SuperCapacitor. https://en.wikipedia.org/wiki/Coulomb
Making led bargraph single inline sil displays
Bespoke-made single inline LED bar arrays for the 8-bit breadboard computer
Julian’s postbag: #99 – supercapacitors and computer chips
Help support Julian's Postbag videos: https://www.patreon.com/julian256 2pcs 2.5V 700F Automobile Car Super Capacitor Farad Capacitance Power Cap DIY http://www.ebay.com/itm/-/192072357182 2.25"…
First look: charsoon magic charger from banggood
First look at the Charsoon Magic Charger, kindly supplied by banggood.com This is a modular battery charger for LiPos (2S…
Charging supercapacitors from supercapacitors
Energy transfer between supercapacitor modules using a buck boost DC/DC converter.