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Nov 30, 2015, 12:47 AM
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New remote control

The smaller remote control was finished, after a last minute decision to upgrade the radio. It was easy to make the antenna always perpendicular to the vehicle. This should greatly increase range. The battery was shrunk with an LP2989 voltage regulator. Unfortunately, the output voltage fluctuated from 3.3 to 2.8 with changes in input voltage. Putting in the bypass capacitor lowered the voltage to 2.2, so that was a cactus voltage regulator. Current is always 60-100mA.

The new driving computer was finished, with a last minute decision to omit GPS. It would be a lot of work to program a map. It would start with drawing a route in Goog earth, still the only program which allows drawing a route. The turns would still require a lot of manual override, with the GPS errors. Quite a few steps remane, to make the computer use the MPU6000 with optional AK8975, install it in the truck, make it use the serial port instead of SPI, send realtime video through the serial port instead of wifi.

Everything needs to be conformal coated.
Last edited by Jack Crossfire; Nov 30, 2015 at 03:05 AM.
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