The Z-bridge


Posted on Feb 5, 2014

Altogether it will cost about US$ 10 and much room on my circuit board. The design is really great but i don`t have to room for it and i like to spend less. You can drop all off the transistors and resistors if your motors don`t drain too much current. You only need a 74F139 or 74S139 NOT the LS version. The chip can provide peak currents up to 10


The Z-bridge
Click here to download the full size of the above Circuit.

0mA for a short time (<1 second) and to one output at a time. This is for normal connections. I don`t know how far you can go with this misbehavior. It`s nothing special, but you get the idea how it is done.




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