Solar crisis: lead-acid battery bank at 16.5v
Just noticed my lead-acid battery bank was at a worryingly high voltage, 16.5V Has another PWM5 charge controller failed?
Arduino wearable oled data display project revisit
A look back at my wearable OLED data display project.
Arduino oled display and the u8glib picture loop
I'm displaying the millisecond count from Arduino's millis() function, on an I2C OLED display. But I'm getting corrupted font characters.…
Julian’s postbag: #58 – karaoke reverb pcb, dynamic mic
More dirt cheap electronics :) Support Julian's Postbag videos via Patreon: https://www.patreon.com/julian256?ty=h PT2399 Karaoke Microphone Reverberation Audio Pre Amp Amplifier…
Julian’s logic: the 74hc595 shift register
Playing around with shift registers. Big Clive's arcade sign video: https://youtu.be/Yexp-I8lzP4
Julian’s postbag: #57 – microphone, multi psu, 8w led bulb
Support Julian's Postbag videos via Patreon: https://www.patreon.com/julian256?ty=h Karaoke Singing DJ Professional Handheld Wireless Cordless Wired Microphone Mic http://www.ebay.com/itm/-/40055170
Project: penny organ – 4 note polyphonic software
Brett's channel - The Keyboard Workshop https://www.youtube.com/channel/UCFD_Kisn67FVEn-uwjZJfIg Arduino code for 4-note polyphonic penny organ http://hastebin.com/hijijuzoka.coffee We got the 4-not
Digital voice recorder as a data cassette recorder
It seems you can use an Olympus digital voice recorder in place of a cassette recorder for data storage on…
Playing with: sharp iq-8400, ce-50p and grundig dcr001
After my random cassette player repair (!!??) I decided to play with an old Sharp organiser, printer and cassette player…