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Sink Drain Stopper
3D printers are an endless source of usefulness. My ancient bathroom sink drain plug lifting mechanism broke such that it was always stopping the drain. I couldn’t leave the plug out because if you drop something in the sink, down the drain it goes. So I made a plastic version sized slightly different than the…
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Honda motorcycle OBD/k-line interface gear indicator
I’m building a gear indicator and information display for my CBR500R. It uses an Arduino Pro Mini, Nokia 5110 display, and hooks in to the Honda diagnostic connector under the seat. Protocol is a custom OBD k-line format. Here is some useful information on the protocol used. The first version I created used 2N7000 MOSFET’s…
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mCPX
Bought a cheap mCPX off eBay that had a broken 3-in-1. Fixed the 3-in-1 and converted to brushless using C05XL and super-FET XP-3A (double FET’s). Main motor PWM signal (from resistor on back of board) is 1kHz. On the 9x using OrangeRX TX module throttle ranges from -72% (completely off) to +72% (solid full throttle…