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Taking full control of devices devices with power playground

When working with power devices it is always good to know what is going on. Especially this is important when experimenting with unknown parameter devices like motors, inductors or batteries. Dorkbotpdx shared a power playground that would allow to run different things and have full control and feedback of process.

power_playground

He used PMOS/NMOS H-Bridge configuration attached to Teensy-3.1 microcontroller board which runs FreeRTOS. There is a current sensor next to bridge which helps on experiments with PWM motor control, power line synchronization, battery charging/discharging. Four digit 7-segment LED indicator gives a simple visual feedback. This is a great tool for many interesting experiments.

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