Julian’s postbag: #102 – electronics through the letterbox
Massive thanks to all my Patreon supporters who make Postbag videos possible. You wonderful people get to see this video…
Poundshop garden light, parallel leds and stokes shift
Solving the mystery of the poundshop garden light which has 4 different colour LEDs all wired in parallel.
Dcoi revisited part 2 – muppet 2 project
Part 2 of my DCOI revisit for use in the Muppet 2 project
Dcoi revisited part 1 – muppet 2 project
I haven't built a DCOI (dual complementary opto-isolator) MOSFET driver in a while.
Arduino pwm experiments – muppet 2 project
Playing with Arduino to get PWM signals suitable for driving the MOSFETs in my Muppet 2 project. Arduino PWM cheat…
Julian’s postbag: #101 – electronics and shizzle
Help support Julian's Postbag videos: https://www.patreon.com/julian256 RC CellMeter - 8 1-8S LiPo Li-lon NiMH Battery Capacity Voltage Checker Meter http://www.ebay.com/itm/-/332157934481…
18650 x 8 lithium cells re-use for qidian qd188
Re-using the 18650 cells which came out of a PowerAdd Pilot X7 powerbank to populate the Qidian QD188
What’s inside a finger spinner? electronic version
Teardown of a fidget spinner. I wanted to make a video while on holiday, so I chose to take apart…