Julian’s postbag: #111 – pics, pixels and programming kit
A video in which I open my post. This week's eBay items are: RGB LED Ring 16Bit WS2812 5050 RGB…
A very unsatisfactory breadboard layout
Vlog style video. My least satisfying breadboard layout ever :( Donations: While the Patreon-pocalypse continues, I'll include my Paypal donations…
Wilko multicoloured projector christmas lights
This Christmas lighting set was reduced from £45 to £15 in Wilko. How does it work? Can it be run…
Julian’s postbag: #110 – leds, resistors and capacitors
Huge thanks to the wonderful people who support my channel via Patreon. https://www.patreon.com/julian256 300Pcs 3mm 5mm LED Light White Yellow…
Toothbrush teardown
Full teardown of an EC Technology electric toothbrush EC Technology Automatic Sonic Electric Toothbrush on amazon.co.uk http://amzn.to/2ijkhAr Replacement brush heads:…
Julian’s postbag: #109 – solar scam, magnets muratas
Huge thanks to the wonderful people who support my channel via Patreon. https://www.patreon.com/julian256 eBay Links: 10W 5V Portable Solar Power…
74ls253 4-input multiplexer as a multifunction logic gate
Part of my 8-bit breadboard computer series. The humble 4to1 multiplexer (or data selector) can be configured as 16 different…
Arithmetic logic unit alu for 8-bit computer – thoughts
Lots of thinking to be done about the 8-bit computer architecture. Particularly the 8-bit arithmetic and logic unit (ALU). Additional…
Supercapacitor powered 100w led flashlight project – viability
How viable is a 100W LED flashlight project powered by supercapacitors. What about the declining capacitor voltage (which will result…
Julian’s postbag: #108 – quick charge and supercapacitors
Huge thanks again to the wonderful people who support my channel via Patreon. https://www.patreon.com/julian256 eBay Links: 1PCS NIPPON 2.5V 630F…