Wow, this thread sounds like Cheech and Chong have joined the PICLIST. :) Besides the numerous articles on the web with regard to stepper motors, Microchip just released a bunch of app notes within the last couple of days and weeks -- two of them on stepper motors: AN907 Stepping Motors Fundamentals 02/23/2004 AN906 Stepper Motor Control Using the PIC16F684 02/23/2004 1) Go to Microchip's web site 2) Click on All Application Notes 3) Sort descending (newest first) AN910 PICmicro Device Programming: What You Always Wanted to Know (But Didn' t Know Who to Ask) 02/25/2004 AN737 Using Digital Potentiometers to Design Low Pass Adjustable Filters 02/24/2004 TB075 Clearing the Software Write-Protect Feature on the 24LCS52 02/23/2004 AN909 SPI Communications Between Serial EEPROMs and PICmicro Microcontrollers 02/23/2004 AN907 Stepping Motors Fundamentals 02/23/2004 AN906 Stepper Motor Control Using the PIC16F684 02/23/2004 AN905 Brushed DC Motor Fundamentals 02/23/2004 AN903 8K and 16K Microwire EEPROM Enhancements 02/11/2004 AN897 Thermistor Temperature Sensing with MCP6S2X PGA 02/11/2004 Best regards, Ken Pergola -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body