Commit aaa50fe8 authored by Martin U's avatar Martin U
Browse files

basic ECG info

parent 674d4efd
# ECG
# How to use the ECG
Here's some basic info on how to use the ECG functionality of your card10
## Finger ECG
![Top View Harmony Board](top_1-4.jpg "Finger ECG and Pulse Oxymeter")
Your card10 comes with a number of fun things to play with
- 1 : Contact, negative ECG electrode
- 2 : Pluse oxymeter (can [potentially, if at some point supported by software] measure pulse and blood oxygen levels using an optical sensor)
- 3 : Contact, negative ECG electrode (again)
- 4 : Screw (also works as a negative electrode, see [8])
![Bottom View - ](bottom_5-6.jpg "COM for Bias and positive electrode for finger ECG")
- 5 : COM (for bias)
- 6 : Contact, positive ECG electrode
![Side View Details](side_front_7-8.jpg "Pin and isolation")
- 7 : Pin for soldering/stitching an alternative electrode, if you don't want to use (6)
- 8 : Plastic distancer, works as an isolation (see [4])
## USB ECG
- see [ECG Kit Assembly](../ecg_kit_assembly/) on how to solder your ECG cable
- NB: it DOES matter how you connect the kit via USB. if you get a lot of noise, try to turn the connection
Have fun experimenting with the ECG.
......@@ -71,6 +71,11 @@ Initially, BLE is disabled for privacy reasons. If you want to use it, you have
* Via the menu: Select the ble.py from the menu and press the SELECT button to enable BLE. The board will restart with activated BLE. Deactivation can be done via the same app.
* Manually: Start the card10 in _USB storage mode_ and add a file `ble.txt` with (exactly) the content `active=true` then reset the board.
### basic ECG howto
Have a look at [how to use the ECG](../ecg/).
For better results use [USB-C electrodes](../ecg_kit_assembly/)
## Next
Now it is time to start playing with the card10, writing your own micropython code!
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