Instructions | DIY ECG With Discrete Analog Front End

1

Step 1

Go to the `hardware/` directory, order PCBs for each of the three subdirectories, and purchase and solder components according to the EasyEDA Pro projects.
2

Step 2

Go to the `firmware/` directory and flash the FPGA and MCU firmware following the flashing guide.
3

Step 3

Fabricate electrodes: wet electrodes are recommended for better contact impedance. See Section 3.3.3 — Practical Electrodes for details.
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Step 4

Display module: ST7789V2, 2-inch, 240×320. Verify the pin assignment before purchasing.
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Step 5

Assembly: a brass standoff can be soldered at one corner of the display for support; four brass standoffs soldered into the main board mounting holes serve as feet.
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Step 6

Once assembly is complete, refer to 07 — User Guide.

DIY ECG With Discrete Analog Front End