small compact lightwieght compared to the olden days of using comparator/ldr/led.
tiny, havent had time to test yet
ottimo
Received in good condition,thanks
as advertised good product arrived on time and in good condition
Everything its ok, I recomend
👍🏻
This module looks nice.
I suffer with lung disease so monitor my sats and heart rate regulaly and being a retired electronics engineer saw this module and the AD 8232 module so hooked them up to my esp32 board and did some comparisons with my finger clip on spo2 monitor both read exactly the same build quality is good
this sensor not working with arduino