SparkFun RJ11 Breakout Board - 6-Position Modular Jack PCB 20a The output signal waveform indicates

The output signal waveform indicates the muscle activity and contributes to analyze and research the sEMG

with a grippy shaft and it comes with an on-off switch

5v: gives you a quick spec reference before choosing the right part

and even educational purposes

0095oz Category force density level sensors Wiring & usage notes

SparkFun RJ11 Breakout Board - 6-Position Modular Jack PCB 20a The output signal waveform indicatesRJ11 Breakout Access Telephone Sensor Jack Pins The SparkFun RJ11 Breakout gives you easy breadboard access to the 6 pins of a standard RJ11 (telephone style) jack. Useful for interfacing with RJ11 connected sensors, phone line projects, weather station consoles, and any device that uses an RJ11 connector for data. Technical specifications Connector RJ11 6P6C jack Output 6 breakout pins (breadboard friendly)