The DEV-18425 is a MyoWare 2.0 Link Shield, designed by SparkFun, used for evaluating the MyoWare 2.0 Muscle Sensor. This shield enables seamless connectivity and interaction with the MyoWare 2.0 Muscle Sensor, making it a valuable tool for various sensor board applications. The dimensions of the shield are 37.57 mm x 35.9 mm, and it is compatible with TRS Jack and Jumper connections. Incorporate this MyoWare 2.0 Link Shield into your projects for efficient evaluation and development of muscle sensor functionalities.
Features:

3.5mm TRS Connector
Switch
ON/OFF for Power
Output Selection for RAW/RECT/ENV
LED Indicator
VIN
ENV
MyoWare 2.0 Muscle Sensor Form Factor
3x Female Snap Pins (Power and EMG Envelope Output)
Reference/GND Jumper
Board Dimensions: 37.57mm x 35.90mm (1.48 x 1.41)Resources

Resources

Board Dimensions
Hookup Guide
Advancer Technologies: MyoWare 2.0

Quickstart Guide(4.37MB)
Advanced Guide(9.00MB)
Patents[1]

Arduino Reference Language: ArduinoBLE Library
GitHub Example Repo
MyoWare 2.0 Ecosystem Page