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PlatformIO and Marlin – and how to have separate config files, for different 3Dprinter while sharing the same code.

Posted on April 27, 2020 by peter

I am using Marlin 2.0 to control my 3D printers, Marlin 2.0 can still be compiled and installed from the Arduino-IDE,although I use the supplied Makefile. To take advantage of other processors you have to use PlatformIO. In this article … Continue reading →

Posted in 3D printer, Arduino | Comments Off

Corona and DIY statistics

Posted on April 2, 2020 by peter

It is hard to know who to believe these days. Too many headlines with too little information that is relevant to me. But you do not have to rely on CNN or Danmarks Radio to digest the information for you, … Continue reading →

Posted in COVID-19 | Comments Off

Marlin 2.0 using Makefile (and reclaiming io-pins on atmega1284p based mainboard)

Posted on March 20, 2020 by peter

I am using Marlin 2.0 to control my 3D printers, I like to be in full control so I compile my own firmware, adding my own tweaks. Most people probably use the Arduino IDE to compile and install the firmware … Continue reading →

Posted in 3D printer, Arduino | Comments Off

MySensors Debug print @ 5.3Mbit/sec freeing Hardware Serial Port

Posted on November 13, 2019 by peter

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 →

Posted in Arduino, Embedded, MySensors | 1 Comment

Wifi – bandwidth throttled for guest – part2

Posted on January 18, 2019 by peter

To give internet access to the friends of our Bandits who visit us, I have set up a password free WiFi guest network. This network is made available on all our routers, but bandwidth is throttled to 2 Megabit Download, … Continue reading →

Posted in internet, Linux | Comments Off

Wifi – Multiple Access points with roaming – part1

Posted on December 14, 2018 by peter

Todays subject is to set up a number of Wifi access points at our home, using a single SSID/password, and provide seamless roaming between them, so that f.ex. a skype-call would not be interupted while moving around, ie. handover to … Continue reading →

Posted in internet, Linux | Comments Off

Debugging @ 5.3Mbit/sec (5333333 Baud) on stm8s microprocessors

Posted on December 7, 2018 by peter

I just tried this using sdcc-4.2.0, and it didn’t work, the calling convention has been changed, the character should be passed in the A-register. In 2018 sdcc passed parameter on the stack. With the proper line commented out in the … Continue reading →

Posted in Embedded | 1 Comment

Headless Raspberry Pi Configuration

Posted on October 27, 2018 by peter

How to configure Debian/arm using Ubuntu/intel Configuring a Raspberry Pi for headless operation without having to connect a keyboard and a screen, involves the following step Download the latest Raspbian image copy the Raspbian image to sdcard setup Wifi change … Continue reading →

Posted in Linux, on Hackaday, Raspberry Pi | Comments Off

Linage 14.1 – Moto e4 xt1766

Posted on August 31, 2018 by peter

Der er flere muligheder for at skifte softwaren på telefonen, man kunne f.ex. fjerne bloatware, roote telefonen lave den smartere eller bare skifte det hele ud med noget man har kildeteksten til, lidt lige som at ligge Debian på sin … Continue reading →

Posted in Android | Comments Off

Moto e4 xt1766

Posted on August 30, 2018 by peter

Det sidste års tid har min telefon været en Motorola e4 Verizon branded og modificeret til at køre under ting.com på T-mobiles GSM netvært som beskrevet i min blog-post Moto e4 xt1767. Jeg har været virkelig godt tilfreds med denne … Continue reading →