Search found 3 matches

by wintrmute
Sun Dec 04, 2016 6:12 pm
Forum: Sensors
Topic: Issues with Pulse Sensor & Teensy
Replies: 7
Views: 4832

Re: Issues with Pulse Sensor & Teensy

Hi Paul,
Thanks for replying, but wow, that was a long time ago that I made that post!

I ended up re-writing the library significantly, and sending you a two github pull requests in Feb 2016.

https://github.com/moderndevice/SI1143_ ... sors/pulls
by wintrmute
Tue Feb 09, 2016 11:41 pm
Forum: Sensors
Topic: Pulse sensor problem
Replies: 6
Views: 7462

Re: Pulse sensor problem

Hi Prabu, When using i2c, you're supposed to have 2-5k pull-up resisters on the i2c (SDA/SCL) lines. (ie. Connected to a 3v3 source) I saw something in the notes on Github mentioning putting 10k resisters *in series* with the lines, but nothing about the pull-ups.. Not sure if that was an omission o...
by wintrmute
Tue Feb 09, 2016 5:51 am
Forum: Sensors
Topic: Issues with Pulse Sensor & Teensy
Replies: 7
Views: 4832

Issues with Pulse Sensor & Teensy

Hi, I saw that the Pulse Sensor seemed to need 3.3V, so I hooked it up to my Teensy LC. However I'm struggling to get the example code to recognise the presence of the sensor. The Teensy LC has SDA and SCL on ports 18 and 19, which match where the library expects them to be. However with the Ports c...