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

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

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

small compact lightwieght compared to the olden days of using comparator/ldr/led.

small compact lightwieght compared to the olden days of using comparator/ldr/led.

small compact lightwieght compared to the olden days of using comparator/ldr/led.

tiny, havent had time to test yet

tiny, havent had time to test yet

tiny, havent had time to test yet

Fast delivery . Thanks

Fast delivery . Thanks

Fast delivery . Thanks

Perfect...

Perfect...

Perfect...

Great

ottimo

Great

Received in good condition,thanks

Received in good condition,thanks

Received in good condition,thanks

as advertised good product arrived on time and in good condition

as advertised good product arrived on time and in good condition

as advertised good product arrived on time and in good condition

Everything its ok, I recomend

Everything its ok, I recomend

Everything its ok, I recomend

👍🏻

👍🏻

👍🏻