A comparison of some of the most popular development board available to the hobbyists.
Raspberry Pi is one of the most known board in the hobbyist world and it is easy to guess why: its success is mainly lead by its low and accessible price for a product with very interesting features. Since Raspberry Pi has been introduced on the market, a borderline has been defined and everyone who wants to design and develop a new board which will be appreciated and loved by the worldwide hobbyistic community, must compare its product with the Raspberry, mainly in terms of final price. Continue reading
Maybe you have already experienced the “red LED only” issue with your Raspberry Pi. If you are sure that everything is ok (power supply, SD card, OS files) maybe you have a SD card slot issue: the plastic sides of the original holder could be damaged and the memory card doesn’t have a good contact and your board can’t boot. In such case the best thing to do is to replace the SD slot. Find out an exact part replacement it was really hard however why use again a thin, plastic holder when a better metallic part could permanently fix the SD contact issue? Finally we decided to use this part, made by Wurth Elektronik and available from Farnell: http://uk.farnell.com/wurth-elektronik/693063020911/memory-socket-sd-card-9way/dp/2081361?Ntt=693063020911