Markus Ippy

Virtual Dyno via Raspberry Pi SenseHat Acceleromter and qt charts

1

weight : car weight in Kg (user input) acceleromter : in g (from acceleration sensor) Calculate Power in KW KW = ((weight) * (accelerometer/ 9.80665) * (accelerometer/ 9.80665)) /1000 Calculate...

Replace fixed Charts Datasources with freely selectable Datasources by the user

Implement Readout of Sensors via GPIO and ADC on Raspberry pi -Pressure Sensors -Temp Sensors

ld.gold does not find crt1.o crti.o crtn.o on Ubuntu 64bit with pi3

5

> /home/markus/raspi/tools/arm-bcm2708/arm-rpi-4.9.3-linux-gnueabihf/bin/arm-linux-gnueabihf-g++ -c -march=armv8-a -mtune=cortex-a53 -mfpu=crypto-neon-fp-armv8 -mfloat-abi=hard --sysroot=/home/markus/raspi/sysroot -O2 -std=gnu++11 -Wall -W -fPIC -I. -I/home/markus/raspi/src/qtbase/mkspecs/devices/linux-rpi3-g++ -o verifyspec.o verifyspec.cpp > /home/markus/raspi/tools/arm-bcm2708/arm-rpi-4.9.3-linux-gnueabihf/bin/arm-linux-gnueabihf-g++ -Wl,-rpath-link,/home/markus/raspi/sysroot/opt/vc/lib -Wl,-rpath-link,/home/markus/raspi/sysroot/usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,/home/markus/raspi/sysroot/lib/arm-linux-gnueabihf -mfloat-abi=hard --sysroot=/home/markus/raspi/sysroot -Wl,-O1 -fuse-ld=gold -o verifyspec verifyspec.o...

**Description** Build with Yocto Kirkstone and Kernel 6.1 on pi4 and pi5. At boot it displays the following issues udevd[141] group " i2c:" specified group unknown udevd[141] group " spi:"...