Transistor avalanche disaster
$2 for 10 PCBs & 24 Hour Production: https://jlcpcb.com https://www.patreon.com/julian256 30 or 40 transistors die in reverse biased avalanche breakdown…
Noise generator pcbs from jlcpcb with gnd copper area
$2 for 10 PCBs & 24 Hour Production: https://jlcpcb.com https://www.patreon.com/julian256 The digital noise generator circuit (on breadboard) was highly susceptible…
Microphone preamplifier circuit – vocoder
$2 for 10 PCBs & 24 Hour Production: https://jlcpcb.com https://www.patreon.com/julian256 Breadboard build of a microphone pre-amplifier. ETI Vocoder constructional project…
Electronic digital white noise circuit – vocoder
$2 for 10 PCBs & 24 Hour Production: https://jlcpcb.com ETI Vocoder constructional project reproduced with kind permission of Wimborne Publishing…
Julian’s postbag: #130 – anti-slash gloves
$2 for 10 PCBs & 24 Hour Production: https://jlcpcb.com Do anti-slash gloves work? Patreon link: https://www.patreon.com/julian256 eBay links: Cut Metal…
First look: isdt n24 aa battery charger
$2 for 10 PCBs & 24 Hour Production: https://jlcpcb.com First look at the ISDT N24, a 24-slot battery charger for…
Low tech power distribution
$2 for 10 PCBs & 24 Hour Production: https://jlcpcb.com Transferring energy from one battery, to another, through wires.
24v supercapacitor charged
$2 for 10 PCBs & 24 Hour Production: https://jlcpcb.com 24V Supercapacitor (9x 2.7V capacitors in series) charged using boost and…
Car horn pwmed
$2 for 10 PCBs & 24 Hour Production: https://jlcpcb.com I was just curious - what happens if you pulse width…