Arduino anxiety – uno, 128×32 oled and u8g2lib
The frustrations of getting a 128x32 pixel OLED working with the new u8g2 display library. Got there in the end…
Ppm bargraph, op-amp, split psu and gregorian chant
The LM3915 sound level meter is vocoderised and becomes a peak programme meter. I explain split power supplies, alternating current…
Split rail power supply kit build – sepic cuk topology
Partial build of this split rail PSU. Outputs are +12V, -12V, +5V, -5V and 3.3V Links: Big Clive's DANGEROUS 100W…
Julian’s postbag: #83 – my ebay buying habit
Help support Julian's Postbag videos via Patreon: https://www.patreon.com/julian256 Product links: Audio Y Splitter Dual 2 RCA Female Jack to 6.35mm…
Pic assembly language tutorials: #0 – shopping list mods
In anticipation of the PIC microcontroller assembly language tutorials, here is a shopping list of items required. Also, details of…
Big clive collaboration – competition now closed
PLEASE NOTE: The winner, CompactRhone has been in touch and the LED panel is off to the USA. Congratulations! Watch…
Julian’s postbag: #82 – all quiet in china
Help make Julian's Postbag videos with a monthly donation via Patreon: https://www.patreon.com/julian256 eBay links: Flexible Stranded of UL-1007 24 AWG…
Easy led dice – electronic kit build
Nice simple kit with a clever circuit. http://www.talkingelectronics.com/projects/LED-Dice/LED-Dice.html http://www.ebay.com/itm/DIY-Electronic-Dice-Kits-Suite-LED-Circuit-Kits-Stable-4-5-5V-Red-LED
Major minor seventh – arduino penny organ updates
Diary update on the penny organ. This device will have 2 modes - poly organ (4 note polyphonic keyboard) and…