Protocentral ADS1292R ECG/Respiration Breakout Kit v4

New in v4: a redesigned, smaller board with a new 10-pin host header that brings the ADS1292R’s clock out to your microcontroller. Share one clock across several boards, or keep the internal oscillator with a solder jumper. v4 also adds test pads for the ADS1292R’s GPIO pins and two plated mounting holes, and the kit now ships with a 3-lead snap electrode cable. The Arduino library is unchanged, but the host-header pinout is new, so check the wiring if you are upgrading from v3.

The ADS1292R breakout is built around the Texas Instruments ADS1292R, a 24-bit analog front-end designed for ECG and respiration measurement. It is the simplest way to add ECG and respiration capture to an Arduino, Raspberry Pi or any microcontroller of your choice.

The 3.5 mm stereo jack takes the included 3-lead snap cable: two ECG electrodes (RA and LA) plus a right-leg (RL) electrode for common-mode noise reduction. The ADS1292R also measures respiration from the same electrodes through impedance pneumography: small changes in chest impedance during breathing are translated into a respiration waveform.

Getting started: install the Protocentral ADS1292R Arduino library and run the ECG and respiration example.

Features

• Texas Instruments ADS1292R 24-bit AFE for ECG and respiration
• Single-lead ECG with right-leg electrode via the 3.5 mm jack
• Respiration measurement via impedance pneumography
• On-board 3.3 V regulator and TXB0108 level translator, for 3.3 V and 5 V hosts
• New: ADS1292R clock on the host header, with an internal/external clock-select jumper
• New: GPIO1/GPIO2 test pads
• New: plated M2 mounting holes; board size 34.5 × 28.7 mm

Applications

• ECG and heart-rate measurement for research and education
• Respiration-rate monitoring alongside ECG
• Biosignal and wearable prototyping with Arduino, ESP32 or Raspberry Pi

Specifications

• AFE: TI ADS1292R, 2 channels, 24-bit
• Interface: SPI (level-shifted)
• Supply: 3.3–5 V host
• Host header (10-pin 0.1″ female socket, pre-soldered): CS, MOSI, SCK, MISO, DRDY, START, RST, CLK, VCC, GND
• Electrode connector: 3.5 mm stereo jack (RA / LA / RL)
• Board: 34.5 × 28.7 mm, 2-layer

Important notice

This device is not a medical diagnostic instrument. It is intended for evaluation, education and research only.

Safety

When connecting electrodes to the body, ensure the host computer is running on battery power, not mains. This avoids any direct electrical path between mains earth and the user.