Emanuele Blog

CE Mark – EMC & Norms

CE Marking (which includes EMC - Electromagnetic Compatibility) has been introduced in order to unify the products security features used in CEE countries. In this article you'll find some EU directive. 1. Introduction Electrical powered devices take their energy from …

Low Cost Accelerometer [Full Design]

With this Reference Design it will be possible to develop microcontrolled applications with accelerometers by learning the basic principles. In this design MMA1220D and MMA1260D accelerometers and Freescale MC68HC908QY4 microcontroller have been used. The full design includes schematic, components list and …

Driving LEDs

The LEDs (Light Emitting Diode) are diodes whose basic characteristic is the ability to emit light when they are passed through a current that flows from P to N region. At each recombination between the charge carriers (electrons and holes), …