SparkFun

MyoWare 2 Muscle Sensor Basic Kit

Name: MyoWare 2 Muscle Sensor Basic Kit
Brand: SparkFun
SKU: SF-KIT-27921
Price: 157.25 AUD
Availability: InStock

· MPN: KIT-27921

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This all-in-one MyoWare 2 electromyography (EMG) kit gives you the essentials for measuring and visualising muscle activity. It is Arduino-compatible, but th...

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This all-in-one MyoWare 2 electromyography (EMG) kit gives you the essentials for measuring and visualising muscle activity. It is Arduino-compatible, but the included setup is designed to follow the standalone example from the MyoWare 2 Muscle Sensor Guide, so you can use it without a microcontroller.

Snap on the MyoWare 2 LED Shield, add EMG sensor pads, attach the sensor to a muscle group and flex. The sensor measures surface EMG activity and outputs a 0-VIN volt signal, where VIN is the power source voltage, to indicate the degree of muscle flexion.

The kit includes the MyoWare 2 Muscle Sensor, MyoWare 2 LED Shield, EMG sensor pads, a mini screwdriver for removing shields, a USB-A to USB-C cable for recharging the 40mAh LiPo battery, and a MyoWare 2 Reference Cable for connecting to large muscle groups. The snap connector system allows the LED Shield to be attached without soldering, and the blue 10-segment bar graph shows muscle activation level visually.

Documentation references include the MyoWare 2 Muscle Sensor Guide, MyoWare 2 LED Shield documentation, MCP73831 datasheet, 40mAh polymer lithium ion battery information, ArduinoBLE reference material and a GitHub example repo. It suits fitness feedback experiments, teaching demonstrations and myoelectric costume or interactive projects.

Jargon buster

Plain-language definitions for the technical terms used above.

LED: A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
LiPo: A LiPo (lithium polymer) battery is a rechargeable lithium battery widely used in portable projects because it is light and compact. LiPo cells need correct charging circuitry and careful handling to stay safe, so equipment that supports LiPo generally includes charging or protection hardware suited to that battery type.
MCP73831: A lithium battery charger chip used to safely charge a single-cell LiPo battery. It matters because it lets the board recharge a battery from USB or another input without needing a separate charger module.
microcontroller: A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
Shield: An add-on board that plugs into a main controller board to give it extra features such as sensing, motor control or communication. Knowing a product supports shields helps you judge whether it can connect neatly into an existing maker-board setup.
USB-C: USB-C is a small, reversible USB connector that can carry power, data and, on some devices, video over a single cable. The same connector can range from charging only to high-speed data, so the functions a given port actually supports vary.