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

Entrega rápida. Obrigado

Fast delivery . Thanks

Entrega rápida. Obrigado

Perfect...

Perfect...

Perfect...

Ótimo

ottimo

Ótimo

recebido em boas condições, obrigado

Received in good condition,thanks

recebido em boas condições, obrigado

Como anunciado, bom produto chegou a tempo e em boas condições

as advertised good product arrived on time and in good condition

Como anunciado, bom produto chegou a tempo e em boas condições

Está tudo bem, eu recomendo

Everything its ok, I recomend

Está tudo bem, eu recomendo

👍🏻

👍🏻

👍🏻