Fischertechnik controller using ATMEL AVR MCU and L293 motor drivers this is used for the "51933 ROBO TX Automation Robots" series see:
The software is not yet complete PID control needs to be added to the X/Y motor controlle...
Sheld for Arduino with an H-bridge L293D which allows to drive two DC motors
Prototype of the shield
New version [New version] with there is an integrated 74LS06 in which are present within six logical NOT gates (inverters).
Two of these are used to invert the logic value present on the input. In this way it is possible to reduce the number of ports required to dr...