Category Archives: Hardware

STM32 and Linux

Posted on January 7, 2026 by peter

The STM32F103c8t6 based blue-pill is a bargain, but the learning-curve is steeper compared to Arduino, so here is what I did Install HID-bootloader The boards from china comes with a serial bootloader, so you need either a USB-serial-port, or an … Continue reading →

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Server Power supply DPS-750TB

Posted on July 7, 2020 by peter

and how to get PMBus access from f.ex. a Raspberry Pi My favorite power-supply for almost anything is the Server PSU for Dell R510/R710/R910. It is a 750w 12v 60amp supply with 80-plus-gold standard, you can get them for $10-20 … Continue reading →

Posted in Arduino, Camper, Embedded, Hardware, HomeAutomation, Linux, MySensors, Raspberry Pi | Comments Off

Server Power supply DPS-1200FB

Posted on July 6, 2020 by peter

Among hackers the DPS-1200FB seem to be the most popular choice for a powerfull Server PowerSupply 12volt 100Amp for less than $20 delivered. There is a lot of information available for this PSU. So if you want to really get … Continue reading →

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Fra Eagle til Kicad – PCB-design

Posted on March 1, 2017 by peter

Stort set alle de print-plader jeg har lavet i nyere tid har jeg designed i Eagle, som hidtil har udmærket sig ved at man kunne designe (ikke kommercielt) små print (8cm x 10 cm) i to-lag uden at skulle investere i … Continue reading →

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i2c og One-Wire

Posted on February 10, 2015 by peter

Når man ligesom jeg kun leger med embedded systemer og hardware i Januar/Februar er det en god ide at standardisere sig på nogle standarder der ikke udvikler sig. F.ex så er det meget frustrerende når den nye avr-gcc ikke kan … Continue reading →

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