Recent content by bobrayner

Does anyone have or know where I can get a circuit for the AXE023 motor driver board. I have done a continuity check where I could compose a circuit but it would be nice to have an official one in case I have missed something. I have looked at the so called "data sheet"' but this is pretty...

Clive Seager Re your article SC Sept. In fig5 text you suggest using a PWM signal to chip pin 1 to control speed. Have tried this and it is not too successful. If started from stationery you have to increase the PWM signal until the back EMF of the STATIONERY moter is overcome (if you connect an...

This may sound a little picky but it doesn't hurt to get it right. There has been considerable reference to "DB9" connectors such as the serial connector. The correct terminology is "DE9". The first letter (D) referrs to the connector style, the second to the standard shell...