AC.motion

July 19, 2005

Wiring, continued

Created a 3 wire cable with plugs from a new plug with wires and a leftover plug (used hot glue to make cable/plug interface more stable). Recycled the plug and socket conglomerate I fabricated yesterday to connect the 2nd thruster controller. Soldered two 3 pin and one 5 pin sockets to the Basic Stamp board. Added a buzzer from an old computer, and connected it to a Darlington driver. Did some major fiddling with the cables (too thick, too short, not enough space).

Reconnected the stamp to the computer, and produced a nice short when I tried to measure output voltage on the new three sockets. After pulling the 12V supply the system rebooted properly. Tried out the FREQOUT command on the buzzer - works (to the point of getting Annie annoyed).

Tried to connect the Ping module to the 2nd socket - no reaction. Found that a fat solder spot had created a short between the signal and the +5V pin - luckily without lasting effects.

TV playback Watched some Futurama on Loihi while doing all that - PowerDVD makes good use of the hardware MPEG decoder. CPU load is at 80%, but full screen playback works without problems. Playing over the network is not possible, though. VLC might buffer reception problems, but since it does not use the EPIA hardware, playback, well, sucks.

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