Month: September 2011

  • Slam Stick: dissected!

    Woot! It sounds like a gadget I designed will be featured in next month’s EDN magazine (Prying Eyes column). This must be some kind of ironic career turning point: I landed a job by reverse-engineering other peoples’ stuff; now people reverse-engineer my stuff.

  • UVLO, Comparators with hysteresis (now with 20% more equations!)

    The Mosquino board is intended to operate from very low-power sources, such as RF, vibration energy harvesting and small thermal gradients (e.g. body heat). Although the ATMega and the rest of the circuit can be put to sleep at < <1uA once they have reached legal operating voltage, many semiconductor circuits fail this test with…