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…
Programmers will hate this bah humbug
Updates to my PIC12F683 NeoPixel WS2812B Christmas decoration idea including a change from line to dot mode, fixing an out-by-one…
Idea: pic ws2812b neopixel christmas decorations
Time to design some Christmas decorations made from WS2812B (NeoPixel) LED strips and PIC microcontrollers. They will be designed to…
Arduino pwm without analogwrite – muppet 2 project
Writing directly to the ATmega328 registers circumvents problems caused by the analogWrite() function. Previous video - Arduino PWM Inversion Issue:…
Update: ec technology 26800mah powerbank with qc3.0
A look at the operational characteristics of this enhanced capacity power bank. PB05 powerbank on Amazon.co.uk: http://amzn.to/2yRgrWD Other links: http://www.diypowerwalls.com/t-LG-LGABF1L1865-Cell
Teardown: ec technology 26800mah powerbank with qc3.0
Unboxing, first look and full teardown of the EC Technology PB05 powerbank. Features 3 USB outputs (one is Qualcomm QuickCharge…