Lithium cells in parallel new project with pup and rob
Can you connect lithium cells in parallel - of course you can. But can you connect cells of different capacities…
19-led ring oscillator with internal feedback – christmas idea
Sparkly Christmas decoration electronic circuit. Uses 19 LEDs, 19 NPN transistors, 39 resistors, 19 capacitors and a 9V battery. Merry…
Julian’s shopping bag: #75 – christmas splurge in watford
All items purchased from PoundWorld, Wilko and Clas Ohlson in Watford.
What’s inside a nano quadcopter with puppets
A quick look inside a nano quadcopter and its remote control. Includes cameo appearance by my next door neighbour.
Playing with thermodynamics: peltier element cooling
DIY Electronic Semiconductor Refrigerator Radiator Cooling Equipment on Banggood.com - http://bit.ly/2ey1b5G TEC1-12706 Heatsink Thermoelectric Cooler Cooling Peltier Plate Module 12V…
Julian’s postbag: #74 – an unmitigated disaster
To donate via Patreon: https://www.patreon.com/julian256 Check out 5 sets Micro JST SH 1.0mm 6-Pin Female Connector with Wire and Male…
Teardown: crappy inverse lcd rgb led back light watch
This watch has a nice looking PCB but is housed inside a nasty looking body. The RGB backlight doesn't have…
Update: neopixels and pics with name checks
Thanks for all your comments and suggestions - they definitely motivate me to try different ideas
Julian’s postbag: #73 – ebay electronics haul
To support me via Patreon: https://www.patreon.com/julian256 eBay Links: Check out WS2812 DC5V/WS2811 DC12V Mini Controller 76 Effect Control 2048 Pixels…