The Atmel SAM D20 family uses the ARM Cortex-M0+ core. Peripherals include general purpose serial comms, timer/counters, PWMs, ADCs, a DAC, and capacitive touch channels. Go to their website for more information.
CMOS, TTL, latch-up and other info about logic families.
Variants, pin counts, pitch and more info about the TO-93 component package.
Semiconductor make-up, schematic symbol, commutation and more info about silicon controlled rectifiers (SCRs).
Schematic symbol, example circuits, equations, applications and more info about operational amplifiers (op-amps).
How to get/set the IO scheduling class and priority for processes running in Linux via the command-line.