Electronics

SSD1306 OLED Screen

SSD1306 I2C

The Screen

SSD1306 I recently  purchased a small screen for a project I want to build. The screen is 0.96” OLED SSD1306 from eBay. I want to build a small clock based on the DCF77 module (I hope it’ll work…
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Electronics

Resetting ATTiny85 Fuses

ATTiny85

The Story Behind

ATTiny85’s are sweet

Almost everyone who mess with the ATTiny85 end at least one time with a dead one caused by bad fuses. I’m in that group 🙂…
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Electronics, Ham Radio

The CAT is back

The CAT is back

Around a year ago, my chinese CAT cable stopped working. I took my oscilloscope out of the box and tried to find where the problem is. I came to conclusion that the USB to serial chip…
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Ham Radio

Playing custom message on Allstar node

Playing custom message on Allstar node

Some background

I wanted to play a custom message on my Allstar Node, not just the pre recorded files. I found an easy way to do it.…
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