Description
With this shield you can control two high-power DC motors with your Arduino or Arduino-compatible board. The two MOSFET H-bridges support an operating range of 6.5 V to 40 V and are efficient enough to deliver a continuous 14 A without a heat sink. The drivers offer basic current sensing and current limiting functions and accept ultrasonic PWM frequencies for quieter operation. The Arduino pin assignments can be adjusted if the defaults are not suitable. The motor driver control lines are brought out on the left side of the shield for use without an Arduino.
Specifications:
- Current sense output proportional to motor current (approx. 20 mV / A; only active while the H-bridge is driving)
- Active current limiting with an approximate default threshold of 40 A (can be set lower)
- Motor channels: 2
- Minimum operating voltage: 6.5 V
- Maximum operating voltage: 40 V
- Continuous output current per channel: 14 A
- Current sense ratio: 0.020 V / A
- Maximum PWM frequency: 100 kHz
- Minimum logic voltage: 1.8 V
- Maximum logic voltage: 5 V
- Reverse-voltage protection?: Yes
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This depends on where you are located. Once the order has been handed over to UPS, the delivery time in Germany is approx. 2-3 days, within Europe approx. 1 week.
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