futz f&ts v.i. To tinker experimentally; to change something just to see what it does

To decode Sony SIRC codes output by my Harmony 880 remote control, I connected a Panasonic PNA4602M infrared sensor to P0.4 (CAP0.1). It's a 38kHz type sensor, so it works great with standard remote controls. Rather than work blind, I connected a 16x2 character LCD in 4-bit mode with busy flag check...

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I designed a keypad board for the Freescale MPR121 Capacitive Touch Sensor Controller chip and received it in my latest batch of boards from dorkbotpdx.org. I'm really happy with this one. The MPR121 is really easy to use and, though it has tons of internal adjustments and controls to suit almost an...

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