Monthly Archives: February 2006

BatchPCB and OpenCircuits

Sparkfun has started two new spin-off sites recently, BatchPCB and OpenCircuits…. It’s slower than other PCB fab sites, because they manufacture them in batches, but it’s one of the cheapest I’ve seen.
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USB Programming for the PIC

Some good notes on USB Programming for the PIC, from Daniel Hirschmann, tested by Amit Pitaru. Jeff Gray’s Del.icio.us links on USB are good too.
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Serial Communication in OSX Terminal

I knew it had to be possible to view serial data in the OSX terminal window, but I’m not enough of a unix geek to figure it out…. Here’s how to read and send serial data from the terminal in OSX: First, open Terminal.
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DC Motor Control

This program controls a DC motor attached to the microcontroller via a transistor or relay. Adaptation to make the motor speed change by Ryan Holsopple. Continue reading

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Sending a two-byte value serially

This code reads a 10-bit analog value, splits it into two bytes, and sends it out serially…. /* Analog Two Bytes by Tom Igoe Reads an 10-bit analog value from 0 – 1024, splits it into two bytes, and sends the bytes out the serial port. Continue reading

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