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l297/l298 driven stepper motor
I was wondering if anyone had any experience with half-stepping a bipolar stepper motor using the l297/l298 drivers. In SGS-Thomson's AN1679, figure 18 gives a proposed hardware...
Wednesday, 5 July 2006 - 15:07
ft232r USB chip - need debug help
Recently, our client has asked us to add USB support to an already existing design based on the Mega32 microprocessor. We decided upon the FTDI FT232R chip to drive this...
Thursday, 8 June 2006 - 18:35
i2c problem waiting for start condition interrupt to occur
Hey all. I'm using standard TWI in an ATMega16. Currently, I have normal interface code, for example: TWCR = (1<<TWINT)|(1<<TWSTA)|(1<<TWEN); while(!(TWCR...
Friday, 21 April 2006 - 16:49
i2c problem when adding external IO controller
I've been working with the I2C bus on an ATmega16/32, writing interface functions to access an IO expander. In isolation, the expander works great. I am able to read from and...
Tuesday, 11 April 2006 - 20:35