Arduino project: pro mini humidity meter hygrometer
Miniaturisation of the Arduino hygrometer project. Arduino code is here: http://hastebin.com/emugomosev.cpp
Fixing and fiddling with an mcd audio player
Just fixed (not sure how exactly) a Shania Twain MCD single. It's a flash memory (or maybe EPROM) piece of…
Julian’s postbag: #76 – ideal humidity christmas
To support Julian's Postbag via Patreon: https://www.patreon.com/julian256 Check out Mini Digital LCD Thermometer Hygrometer Humidity Temperature Meter Indoor http://www.ebay.com/itm/-/311686357901?
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…