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Muscle BioAmp Patchy#

Wearable ElectroMyoGraphy (EMG) sensor

Overview#

Muscle BioAmp Patchy is a wearable ElectroMyoGraphy or EMG sensor that snaps directly to gel electrodes and connects to your muscle like a patch. It comes with reverse polarity projection, power indicator, onboard snap connectors, and Upside Down Labs’power ful BioAmp sensing technology for precise muscle signal recording. This enables you to easily integrate this sensor in your EMG- based Human-Computer Interface (HCI).

../../../_images/Patchy-All-Colors.jpg

Features & Specifications#

Minimum Input Voltage

4.5 V

Input Impedance

10^12 ohm

Fixed Gain

x2420

Bandpass filter

72 – 720 Hz

Wearable

Yes

Compatible Hardware

Any development board with an ADC (Arduino UNO & Nano, Espressif ESP32, Adafruit QtPy, STM32 Blue Pill, BeagleBone Black, Raspberry Pi Pico, to name just a few)

BioPotentials

EMG (Electromyography)

No. of channels

1

Electrodes

3 (Positive, Negative, and Reference)

Dimensions

47 x 14 mm

Open Source

Hardware + Software

Hardware#

Images below shows a quick overview of the hardware design.

PCB Front

../../../_images/PCB-Front.png

PCB Back

../../../_images/PCB-Back.png
../../../_images/Muscle-BioAmp-Patchy-Assembled-Front.png
../../../_images/Muscle-BioAmp-Patchy-Assembled-Back.png

Connecting with Arduino#

To get started, you can pair Muscle BioAmp Patchy with any development board with an ADC (Arduino UNO & Nano, Espressif ESP32, Adafruit QtPy, STM32 Blue Pill, BeagleBone Black, Raspberry Pi Pico, to name just a few) or any standalone ADC of your choice.

For the connections and electrode placements, you can follow the diagram given below:

../../../_images/Patchy-Arduino-Connections.jpg

Demonstration#

After snapping the Patchy onto gel electrodes(placed on our targeted muscle), you can connect your patchy to the arduino via jumper cables, arduino to your battery operated laptop, and start recording your EMG easily. Follow the steps shown in the video below for the demonstration.

Some project ideas#

Recording and Visualizing Muscle Signals (EMG) Using Muscle BioAmp Patchy (wearable Muscle Sensor)