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Pololu Simple Motor Controllers
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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, including the original SMCs with green PCBs. The newer G2 (blue) SMCs can generally be used as drop-in replacements for the originals, which are not recommended for new designs (they are only included in the table below for comparison purposes).
| Original versions, not recommended for new designs (included for comparison purposes) |
G2 versions, released November 2018 |
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 SMC 18v7 |
 SMC 18v15 |
SMC 24v12 |
 SMC 18v25 |
SMC 24v23 |
 SMC G2 18v15 |
 SMC G2 24v12 |
 SMC G2 18v25 |
 SMC G2 24v19 |
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|---|---|---|---|---|---|---|---|---|---|
| Minimum operating voltage: | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 6.5 V | 6.5 V | 6.5 V | 6.5 V |
| Recommended max operating voltage: |
24 V(1) | 24 V(1) | 34 V(2) | 24 V(1) | 34 V(2) | 24 V(1) | 34 V(2) | 24 V(1) | 34 V(2) |
| Max nominal battery voltage: |
18 V | 18 V | 28 V | 18 V | 28 V | 18 V | 28 V | 18 V | 28 V |
| Max continuous current (no additional cooling): |
7 A | 15 A | 12 A | 25 A | 23 A | 15 A | 12 A | 25 A | 19 A |
| USB, TTL serial, Analog, RC control: |
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| I²C control: | |
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| Hardware current limiting: | |
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| Reverse voltage protection: | |
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| Dimensions: | 2.1″ × 1.1″ | 2.3″ × 1.2″ | 2.1″ × 1.1″ | 1.7″ × 1.2″ | |||||
| Price: | $129.95 | $129.95 | $135.45 | $162.95 | $168.45 | $108.95 | $108.95 | $146.45 | $131.95 |
| Available with connectors installed? |
Yes | Yes | Yes | No | No | Yes | Yes | No | No |
| 1 30 V absolute max. 2 40 V absolute max. |
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Compare all products in this category
Products in category “Pololu Simple Motor Controllers”
| Pololu item #: 1366 | |
| Brand: Pololu | supply outlook |
| Status: Rationed (Active and Preferred) | |
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This powerful motor controller makes basic control of a brushed DC motor easy, with quick configuration over USB using our free software. It supports five control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), and hobby radio control (RC). This version offers a wide 6.5 V to 30 V operating range and can deliver continuous output currents up to 25 A without a heat sink. Male headers and terminal blocks are included but not soldered, allowing for custom installations.
| Pololu item #: 1367 | |
| Brand: Pololu | supply outlook |
| Status: Rationed (Active and Preferred) | |
|
|
|
This powerful motor controller makes basic control of a brushed DC motor easy, with quick configuration over USB using our free software. It supports five control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), and hobby radio control (RC). This version offers a wide 6.5 V to 40 V operating range and can deliver continuous output currents up to 19 A without a heat sink. Male headers and terminal blocks are included but not soldered, allowing for custom installations.
| Pololu item #: 1362 | |
| Brand: Pololu | supply outlook |
| Status: Rationed (Active and Preferred) | |
|
|
|
This powerful motor controller makes basic control of a brushed DC motor easy, with quick configuration over USB using our free software. It supports five control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), and hobby radio control (RC). This version offers a wide 6.5 V to 30 V operating range and can deliver continuous output currents up to 15 A without a heat sink. This version ships with soldered header pins and terminal blocks.
| Pololu item #: 1363 | |
| Brand: Pololu | supply outlook |
| Status: Rationed (Active and Preferred) | |
|
|
|
This powerful motor controller makes basic control of a brushed DC motor easy, with quick configuration over USB using our free software. It supports five control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), and hobby radio control (RC). This version offers a wide 6.5 V to 30 V operating range and can deliver continuous output currents up to 15 A without a heat sink. Male headers and terminal blocks are included but not soldered, allowing for custom installations.
| Pololu item #: 1364 | |
| Brand: Pololu | supply outlook |
| Status: Rationed (Active and Preferred) | |
|
|
|
This powerful motor controller makes basic control of a brushed DC motor easy, with quick configuration over USB using our free software. It supports five control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), and hobby radio control (RC). This version offers a wide 6.5 V to 40 V operating range and can deliver continuous output currents up to 12 A without a heat sink. This version ships with soldered header pins and terminal blocks.
| Pololu item #: 1365 | |
| Brand: Pololu | supply outlook |
| Status: Rationed (Active and Preferred) | |
|
|
|
This powerful motor controller makes basic control of a brushed DC motor easy, with quick configuration over USB using our free software. It supports five control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), and hobby radio control (RC). This version offers a wide 6.5 V to 40 V operating range and can deliver continuous output currents up to 12 A without a heat sink. Male headers and terminal blocks are included but not soldered, allowing for custom installations.
| Pololu item #: 1383 | |
| Brand: Pololu | supply outlook |
| Status: End-of-Life Rationing | |
|
|
|
The Pololu Simple High-Power Motor Controller makes basic control of brushed DC motors easy, with our free Simple Motor Control Center software enabling quick configuration over USB. The controller supports four interface modes: USB, TTL serial, analog voltage, and hobby radio control (RC). This version operates from 5.5 to 40 V and is efficient enough to deliver a continuous 23 A without a heat sink. It ships with the power capacitor and connectors included but not soldered in, allowing for custom installations.
| Pololu item #: 1381 | |
| Brand: Pololu | supply outlook |
| Status: End-of-Life Rationing | |
|
|
|
The Pololu Simple High-Power Motor Controller makes basic control of brushed DC motors easy, with our free Simple Motor Control Center software enabling quick configuration over USB. The controller supports four interface modes: USB, TTL serial, analog voltage, and hobby radio control (RC). This version operates from 5.5 to 30 V and is efficient enough to deliver a continuous 25 A without a heat sink. It ships with the power capacitor and connectors included but not soldered in, allowing for custom installations.
| Pololu item #: 1378 | |
| Brand: Pololu | supply outlook |
| Status: End-of-Life Rationing | |
|
|
|
The Pololu Simple High-Power Motor Controller makes basic control of brushed DC motors easy, with our free Simple Motor Control Center software enabling quick configuration over USB. The controller supports four interface modes: USB, TTL serial, analog voltage, and hobby radio control (RC). This version operates from 5.5 to 40 V and is efficient enough to deliver a continuous 12 A without a heat sink. It ships with the power capacitor and connectors installed as shown.
| Pololu item #: 1379 | |
| Brand: Pololu | supply outlook |
| Status: End-of-Life Rationing | |
|
|
|
The Pololu Simple High-Power Motor Controller makes basic control of brushed DC motors easy, with our free Simple Motor Control Center software enabling quick configuration over USB. The controller supports four interface modes: USB, TTL serial, analog voltage, and hobby radio control (RC). This version operates from 5.5 to 40 V and is efficient enough to deliver a continuous 12 A without a heat sink. It ships with the power capacitor and connectors included but not soldered in, allowing for custom installations.
| Pololu item #: 1376 | |
| Brand: Pololu | supply outlook |
| Status: End-of-Life Rationing | |
|
|
|
The Pololu Simple High-Power Motor Controller 18v15 makes basic control of brushed DC motors easy, with our free Simple Motor Control Center software enabling quick configuration over USB. The controller supports four interface modes: USB, TTL serial, analog voltage, and hobby radio control (RC). This version operates from 5.5 to 30 V and is efficient enough to deliver a continuous 15 A without a heat sink. It ships with the power capacitor and connectors installed as shown.
| Pololu item #: 1377 | |
| Brand: Pololu | supply outlook |
| Status: End-of-Life Rationing | |
|
|
|
The Pololu Simple High-Power Motor Controller makes basic control of brushed DC motors easy, with our free Simple Motor Control Center software enabling quick configuration over USB. The controller supports four interface modes: USB, TTL serial, analog voltage, and hobby radio control (RC). This version operates from 5.5 to 30 V and is efficient enough to deliver a continuous 15 A without a heat sink. It ships with the power capacitor and connectors included but not soldered in, allowing for custom installations.
| Pololu item #: 1372 | |
| Brand: Pololu | supply outlook |
| Status: End-of-Life Rationing | |
|
|
|
The Pololu Simple Motor Controller 18v7 makes basic control of brushed DC motors easy, with our free Simple Motor Control Center software enabling quick configuration over USB. The controller supports four interface modes: USB, TTL serial, analog voltage, and hobby radio control (RC). This version operates from 5.5 to 30 V and is efficient enough to deliver a continuous 7 A (>30 A peak) without a heat sink. It ships with the power capacitor and connectors installed as shown.
| Pololu item #: 1373 | |
| Brand: Pololu | supply outlook |
| Status: End-of-Life Rationing | |
|
|
|
The Pololu Simple Motor Controller makes basic control of brushed DC motors easy, with our free Simple Motor Control Center software enabling quick configuration over USB. The controller supports four interface modes: USB, TTL serial, analog voltage, and hobby radio control (RC). This version operates from 5.5 to 30 V and is efficient enough to deliver a continuous 7 A (>30 A peak) without a heat sink. It ships with the power capacitor and connectors included but not soldered in, allowing for custom installations.
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