Thursday, February 21st, 2008
The LS7366 is a 32 bit counter with a direct interface for quadrature signals from incremental encoders. There is also an index channel for marker functions. The interface to the microcontroller is SPI mode 0 making it relatively easy to drive with a variety of common controllers. Decimus has ...
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Sunday, February 17th, 2008
Decimus has one of the ADC inputs dedicated to monitoring the battery voltage. The batteries used in this micromouse are Lithium Polymer cells and it is particularly important that they are not allowed to discharge too far. Since the full battery voltage is about 7.4 Volts, this gets divided by ...
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Sunday, February 17th, 2008
Having installed the LCD, it was time to get the code working for it. First I realised that it may not have been so clever to put the LCD on the same SPI port as the encoders. This will mean that I have to take care that the encoders are ...
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Saturday, February 9th, 2008
Probably the last part to be added to Decimus will be the Nokia 3410 LCD screen. Nearly all of my mice have these either permanently fitted or attached by a simple socket so they can be removed. With a resolution of 96x64 pixels, this screen is an ideal debugging ...
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Thursday, January 10th, 2008
The wheels have given me so much trouble that it all has to be downhill from here. This is how they are put together.
Good wheels are essential in a micromouse. We want something that is robust, reliable and capable of precision, repeatable movement. There should be no ...
Posted in Hardware | 4 Comments »
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