Speed tests of SD cards on Raspberry Pi

Here are some speed results of speed of two sd cards on two different Raspberry Pis (old 256MB and new 512MB one). I followed methodology listed on http://elinux.org/RPi_SD_cards: Write speed sync; time dd if=/dev/zero of=~/test.tmp bs=500K count=1024; time sync Read speed dd if=~/test.tmp of=/dev/null bs=500K count=1024 And here are the results: SanDisk Extreme class 10 UHS-1… Continue reading Speed tests of SD cards on Raspberry Pi

Raspberry Pi, servo motor, gpio, i2c and soldering weekend

This weekend I decided to work on my soldering skills and finally assemble the PWM driver PCA9685 I bought from Adafruit couple weeks back. Not all solder points looks perfect, but I’ve manage not to burn the PCB which I consider a major success. I thank all the guys how put soldering tutorials on the… Continue reading Raspberry Pi, servo motor, gpio, i2c and soldering weekend

MGPlayer on Raspberry PI (javafx!)

I’ve just “successfully” run my MG Podcast Player on Raspberry Pi using just released JDK8 for ARM Preview. Performance isn’t great compared to desktop system and it doesn’t actually play mp3 files (Media are not supported yet), but having ability to run a java 8 application on $35 is amazing by itself! If you want… Continue reading MGPlayer on Raspberry PI (javafx!)