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Peter Lorenzen peter@lorezen.us Categories
Category Archives: Embedded
Smart Wifi Switch – Tasmota på Sonoff RE5V1C
Hvordan jeg installerer Tasmota på Sonoff RE5V1C, en 5v wifi switch. Se også Mit indlæg: Smart Wifi Switch – Tasmota på Sonoff Basic GitHub: arendst/Tasmota Tasmota.GitHub.io: Sonoff RE5V1C 5V Inching/Selflock Relay Board Tasmota firmware installeres på Dimsen via RS232, Dimsen … Continue reading →
Smart Wifi Switch – Tasmota på Sonoff Dual R3 Lite
Hvordan jeg installerer Tasmota på Sonoff Dual R3 Lite, der fås for omkring 100kr på f.ex. Amazon.de Se også Mit indlæg: Smart Wifi Switch – Tasmota på Sonoff Basic GitHub: arendst/Tasmota Tasmota.GitHub.io: Sonoff-Dual templates.blakadder.com: sonoff_DUALR3L Tasmota firmware installeres på Dimsen … Continue reading →
Smart Wifi Switch – Tasmota på Sonoff Basic
Jeg har efterhånden en del Wifi baserede IOT dimser, desværre kommer de altid med firmware der ringer hjem til producenten for at høre om der er nye instruktioner, der er sådan set ikke noget nyt i dette, har du en … Continue reading →
Install Klipper on your old 3D-Printer and still keep Marlin
This is the final post in a series of 3 blog posts describing how I make Marlin and Klipper coexist on my 3-Printers: Dual Applications on ATmega2560 – Marlin AND Klipper – FAIL (well almost) AVR DualBoot Bootloader Install Klipper … Continue reading →
AVR DualBoot Bootloader
This is part 2 in a series of 3 blog-posts describing how I make Marlin and Klipper coexist on my 3-Printers: Dual Applications on ATmega2560 – Marlin AND Klipper – FAIL (well almost) AVR DualBoot Bootloader Install Klipper on your … Continue reading →
Dual Applications on ATmega2560 – Marlin AND Klipper – FAIL (well almost)
How to be able to boot into a backup firmware instantly. This is part 1 in a series of 3 blog-posts describing how I make Marlin and Klipper coexist on my 3-Printers: Dual Applications on ATmega2560 – Marlin AND Klipper … Continue reading →
Posted in 3D printer, Arduino, Embedded
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I²C or SMBus sniffer using Arduino
I had a need to continuously monitor a I²C bus, so I looked around for an Arduino solution, but didn’t find anything that suited my needs, so I wrote one myself. None of the I²C-sniffers I was able to find … Continue reading →
Server Power supply DPS-750TB
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
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Server Power supply DPS-1200FB
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 →
Posted in Arduino, Camper, Embedded, Hardware, HomeAutomation, Linux, MySensors, Raspberry Pi
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MySensors Debug print @ 5.3Mbit/sec freeing Hardware Serial Port
MySensors provides a lot of useful debugging information on the serial port when MY_DEBUG is defined, I need to use the HardwareSerial for another purpose. but would still like to have the option to see the debug prints. which could … Continue reading →
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