SLP pin
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Hi, how do you connect a sleep pin? Do you pull it high through resistor (5k for example) and to the arduino output pin or just arduino output pin? When you power arduino from the driver some drivers shut down also 3v3 output which can be used to power arduino, is there any workaround? Also some by default are in the LOW at slp pin so by default sleep is enabled, then you can't power up arduino to turn sleep off. Can I pull high the slp pin and then connect to arduino output and if arduino will put it to LOW and pin will be LOW regardless a pullup?
Hello,
If you have not already, I would recommend carefully reading the product page and user's guide for the Dual G2 High-Power Motor Driver Shields. The sleep pins are pulled up by the shield to enable the drivers by default, so you should not need to do anything with them unless you want to drive them low to disable the drivers.
Unfortunately, I am not sure what you mean by the rest of your questions. Note that the shield does not connect to the Arduino's 3V3 or 5V pins at all, and that disabling the drivers with their sleep pins does not disable the power supply to the Arduino. If you are having trouble getting a board to work and would like some help troubleshooting, please post on our forum, which is a more appropriate place for that (the GitHub issues are intended for tracking development of and issues with the library itself).
Kevin