AI agents & screen readers: for a machine-readable, text-only catalogue, start at /llms.txt. Products are available as Markdown (/products.md, /products/{handle}.md) and JSON (/products.json, /products/{handle}.json).
Store

SparkFun

$48.55 |
Only 2 left
No reviews yet

The SparkFun Serial Controlled Motor Driver allows you to control up to two DC motors using a serial command interface. The serial interface is easy to use a...

Stock availability

In our warehouse
2 in stock
Estimated Delivery
Arrives
Disclaimer
View Markdown
Secure checkout
The SparkFun Serial Controlled Motor Driver allows you to control up to two DC motors using a serial command interface. The serial interface is easy to use and it lets the user select an individual motor, the direction, and the desired speed constant (up to 10 different speed from stop to full speed). The board is based on the L298 Dual Full-Bridge Motor Driver from ST Micro. The motor driver can provide up to 4 Amps of current to the motors (2 Amps per motor).

Power can be applied to either the two-pin JST connector or the GND and VCC header pins. Supplied power should be DC and within 5-16V. Please note, the pin labeled ‘5V’ should only be used as an output.

The serial command interface used to control the motors is very straightforward. A command consists of four characters: the motor number, the direction indicator, the speed constant, and a carriage return. The baud rate of the Serial Controlled Motor Driver is set to 115200bps (8-N-1).

Jargon buster

Plain-language definitions for the technical terms used above.

baud
Baud is the signalling rate of a serial connection, often used as the speed setting for UART communication. Matching the baud rate matters because both connected devices must use the same setting for readable data.
DC
DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
GND
GND is the ground or reference connection (0 V) for a circuit. When connecting two devices together, their grounds must be joined so both agree on what counts as a low or high signal.
motor driver
An electronic circuit that lets a low-power controller switch and control a motor that needs more current than the controller pins can safely provide. Checking motor driver support matters because pumps and motors usually cannot be connected directly to a microcontroller output.
VCC
VCC is the positive power-supply connection on a chip or module. Connecting it to the correct supply voltage is needed for the part to power on and helps avoid damaging the electronics.
Stella
Stella Expert

Ask me anything about this product

Maddy, co-founder of Little Bird

Need help? We're here for you!

Hi, I'm Maddy. My team and I are ready to help with your order or any questions.