www.W116.orgAll about the Car!
Started by ptashek, 21 September 2012, 05:00 PM
QuoteThe "thing". An Arduino Nano Every as the brains, and a VNH7100BAS automotive-grade half-bridge controller, to manage the simulated actuator, which is made up of a micro 12V DC motor and a 10kΩ potentiometer. Plus a lonely NPN transistor to drive the simulated wheel, and a tiny hall sensor to simulate the instrument cluster speed feedback sensor. The half-bridge controller is capable of driving up-to 15 amps of continuous load at 28V max supply voltage, without need for active cooling. Thermally speaking, it won't even notice the VDO actuator load (a measly 1.5 amps peak), so no derating curves to worry about etc.
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