The SCD-40 is a photoacoustic "true" CO2 sensor that accurately measures the concentration of carbon dioxide (CO2) in ambient air
many modules have been difficult to work with
Easy Data logging with onboard micro SD card support
Pi Zero 2 W Board without header
There's also built-in high and low pass sensing to make data processing easier
Adafruit Feather M4 Express - Featuring ATSAMD51 - ATSAMD51 Cortex M4 4 Channel Expander The SCD-40 is a photoacousticIt's what you've been waiting for, the Feather M4 Express featuring ATSAMD51. This Feather is fast like a swift, smart like an owl, strong like a ox bird (it's half ox, half bird, OK?) This feather is powered by our new favorite chip, the ATSAMD51J19 with its 120MHz Cortex M4 with floating point support and 512KB Flash and 192KB RAM. Your code will zig and zag and zoom, and with a bunch of extra peripherals for support, this will for sure be your