Category: raspberry / carambola / atmel / embedded linux

The Y2038 Problem – cars and embedded systems
23.01.2019

in comparison to Y2K: „The issue became when it became 2000 because that would be stored as 00 in the program. This caused many to believe that say, bank software wouldn’t be able to get your money out because it […]

24.05.2018

Solar Panel 100W (12V?) and Battery Charger (12V) https://www.offgridtec.com/en/complete-systems/solar-system-autarkic/offgridtec-solar-bausatz-basic-starter-100-watt-12v.html Solar Panel Module Voltage: (Vmp) 17,6V Victron BlueSolar PWM-Light 12V 24V 10A -> DataSheed Maximum solar voltage: 28V possible alternative: Steca Solsum 8.8F 12Vor better: Steca-LCD-Display-PR-2020 12V -> 5V Car USB […]

20.12.2017

on intel / amd cpus/boards: use lm sensors: apt-get install lm-sensors; # install sensors-detect; # detect available temperature sensors, answer with YES usually # monitor cpu temp every second while true; do sensors|grep Core; sleep 1; clear; done; service kmod […]

ODROID-XU4 low power high speed embedded 8 core linux computer – lan dhcp connect and ssh into odroid xu4
19.12.2017

the hardware you can get the ODROID with HDMI (monitor/screen) output: with active cooling: https://www.pollin.de/p/odroid-xu4-einplatinen-computer-samsung-exynos-5422-2-gb-2x-usb-3-0-810409 with passive cooling: https://www.pollin.de/p/odroid-xu4q-einplatinen-computer-samsung-exynos-5422-2-gb-2x-usb-3-0-810750 for 80€ or the NAS/SATA variation (headless, no GPU, no HDMI, no screen/monitor) : https://www.pollin.de/p/odroid-hc1-einplatinen-computer-fuer-nas-und-cluster-anwendungen-810766 for 60€. What SoC are you using? The […]

15.12.2016

Via Seriellem-D-Sub-9-poligen Anschluss: kann man bei vielen Geräten einen Terminal-Bildschirm-Output bekommen. D.h. man bekommt ASCII-Zeichen ausgegeben und kann mit dem Gerät interagieren, als wäre man via SSH oder TELNET eingewählt. Serielle Kabel, Nullmodem, LapLink usw. Oft müssen auch Daten zwischen […]

OffGrid Solar Powered Workstation (Open Source Hardware)
05.11.2016

This article is about finding out: What low-power PC with decent performance is best suitable for solar-powered (12v would be nice) Off-Grid-computing while respecting your privacy in an FSF-kind? Result: Got a 12V powered Raspberry Pi Model B: https://dwaves.org/2018/05/24/solarpower-raspberry-pi-with-12v-solar-system/ problem: […]

01.12.2014

# delete old vitualbox install package apt-get purge virtualbox # install & download package wget –no-check-certificate https://www.virtualbox.org/download/oracle_vbox.asc apt-key add oracle_vbox.asc echo „deb http://download.virtualbox.org/virtualbox/debian wheezy contrib“ >> /etc/apt/sources.list apt-get update apt-get install virtualbox-4.2 dkms # you might also want the guest […]

12.03.2013

in order to get support for FAT32 formatted USB sticks  i want to compile my own carambola firmware. ready compiled and tested firmware for carambola 1 rt305x CPU download here (do sysupgrade with file called openwrt-ramips-rt305x-carambola-squashfs-sysupgrade.bin): openwrt-ramips-rt305x-carambola-squashfs-sysupgrade.bin_03.2013_ramips.zip.pdf (download .zip.pdf renamte to […]