EAGLE Towards automatic generation of EAGLE parts How I tried to automatically generate parts quickly in EAGLE and succeeded! (and failed)
SMD Getting Started with SMD, resources and common components What to pick? What to chose? Your standard reference to the world of SMD parts.
nRF24l01 An integrated Arduino nRF24L01+ module While blinking LEDs can be really fun, wireless communication is like magic. I combined an nRF24 chip with a ATMEGA328P on a PCB.