SparkFun Biomedical Sensor Pad (10 pack) Biometrics Personal Video Players & Accessories The lens is 3mm in

The lens is 3mm in diameter

HookupGuide

which means that you place a resistor (a

linker and downloader)

This inline switch is great when you just want a simple on/off toggle switch that’s already enclosed

SparkFun Biomedical Sensor Pad (10 pack) Biometrics Personal Video Players & Accessories The lens is 3mm inThis is a 10 pack of Biomedical Sensor Pads, disposable electrodes that can be used to measure EEG, ECG and EMG levels. these little pads are perfect for short term monitoring of Neurofeedback and Biofeedback purposes. They are to be used once and are very handy because of integrated, latex free gel. Each pad adheres very well to the skin and the snap connector can be pushed on or removed from the electrode lead with no issue. Note: This product is