ECG Front End

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Disclaimer: This product is for educational purposes ONLY.
It is NOT to be used for diagnostic or for life saving operations of any sort.
Suitability for a given application is the sole responsibility of the buyer.
Always consult a qualified medical professional for any medical concerns.

Our very popular complete analog front end to amplify, filter, and condition the ECG waveform ready for digitization. Connect it directly to your favorite microcontroller, whether it's Arduino, PIC, or one of the many others on the market or apply your own additional filtering beforehand.

Click one of the two demo circuit images below to take you to an article with schematics, source code and information on usng a PIC12F1822 and 128x32 graphic display with the ECG Front End.

ECG Front End Demo Circuit Build cropped
ECG Front End Demo.gif

Click one of the two demo circuit images below to take you to an article with schematics, source code and information on usng a PIC12F1822 and USB to Serial converter with the ECG Front End.

ECG Front End Serial Demo Breadboard.jpg
ECG Front End Program

Features include:

  • Small form factor (0.90"x 1.1", 23mm x 28mm).

  • On board 60Hz or 50Hz first order notch filter to reduce line noise.

  • 2.5-5.0 Volt operation

  • Output centered at 1/2 Vcc.

  • Gain of approximately 1000.

  • Simple 3 wire interface, connect directly to an analog to digital converter or apply your own post operations.

  • Low operating current (700uA at 5.0 volts typically)

For best results use shielded leads and keep leads as short as possible. If using power from main lines (120/240V), connecting GND to earth ground may be necessary to reduse noise.

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