Year: 2025

1 min 0

IR code finder LCD version

My friend Rick sent this over to me which he managed to get working – it is a sketch which displays the results of an infra-red remote control hex codes on an LCD display. Ideal for if you want to use those cheap Chinese remote controls for your electronics projects but are unsure what key […]
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1 min 0

Further firmware update for my 6 digit ATMega328P clock

With collaboration with my friend Rick, I have updated the firmware for my clock and his version as well. My version shows the hours and minutes on 1.8″ displays and the seconds on 0.8″ displays. Rick’s version uses 4″ high digits driven from my display driver boards discussed in a previous blog post with alternate […]
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2 min 0

MDL-150 Electronic load and battery tester review

The MDL-150 battery capacity tester and DC electronic load A great inexpensive unit that performs as expected and is really good value for money. User interface could use some improvement but otherwise I highly recommend it for hobbyists for occasional use. Oh yeah, throw away the dangerous power supply that comes with it and use […]
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2 min 3

SPI driver board for large 2-8″ 7 segment displays

As part of a collaboration project through contact with a member of Instructables who had seem my large LED clock project I made some serial driver boards for his project adapted from mine which uses 4″ high LED displays and uses the decimal points as the colons with alternate digits inverted. These driver boards are […]
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