Description: The Simple Motor Controllers are versatile, general-purpose single-channel motor controllers for brushed, DC motors. Wide operating voltage ranges and the ability to deliver up to several hundred watts in a small form factor make these controllers suitable for many motor control applications. With a variety of supported interfaces—USB for direct connection to a computer, TTL serial and I²C for use with embedded systems, RC hobby servo pulses for use as an RC-controlled electronic speed control (ESC), and analog voltages for use with a potentiometer or analog joystick—and a wide array of configurable settings, these motor controllers make it easy to add basic control of brushed DC motors to a variety of projects. A free configuration utility for Windows simplifies initial setup of the device and allows for in-system testing and monitoring of the controller via USB.
The table below lists the all of the members of the Simple Motor Controller family and shows the key differences among them. Note that the information on this page is specific to the newer SMC G2s, which can generally be used as drop-in replacements for the original SMCs with green PCBs. The original SMCs are not recommended for new designs, and they are only included in the table below for comparison purposes.
The SMC G2 24v12 operates from 6.5 V to 40 V and can deliver a continuous output current of 12 A without a heat sink. Note that 40 V is the absolute maximum for this controller; the maximum recommended operating voltage is 34 V, and the maximum recommended nominal battery voltage is 28 V.
If you need to identify which version you have, you can just plug it into a computer through USB and the SMC software will tell you. For quick visual identification without a computer, you can distinguish this version from the identically sized SMC G2 18v15 by the number 100 on top of the tall silver electrolytic capacitors.
Key features of the SMC G2 family
- Simple bidirectional control of one brushed DC motor
- Five communication or control options:
- USB interface for direct connection to a PC
- Logic-level (TTL) serial interface for use with a microcontroller
- I²C interface for use with a microcontroller
- Hobby radio control (RC) pulse width interface for direct connection to an RC receiver or RC servo controller
- 0 V to 3.3 V analog voltage interface for direct connection to potentiometers and analog joysticks
- Simple configuration and calibration over USB with a free configuration program for Windows
- Reverse-voltage protection
- Hardware current limiting with a configurable threshold
- Current sensing
Read more: Here
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