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HAT-compatible 40-pin GPIO header
Monitor Heart Rate on SnapEmu with a Wireless Tracker
it supports multi‑constellation navigation systems including GPS
RX8130CE RTC datasheet
M5Stack Air Quality Kit v1.1 with M5StampS3A (SEN55, SCD40) Seeed Studio HAT-compatible 40-pin GPIO headerDescription M5Stack Air Quality v1. 1 is an integrated low power air quality monitor built around the Stamp S3A controller, SEN55 environmental sensor, and SCD40 CO2 sensor. It measures PM1. 0, PM2. 5, PM4, PM10, temperature, humidity, VOC, and CO2 concentration, then presents readings on a 1. 54 inch 200 x 200 e ink display. Compared with the previous Air Quality core, M5Stack Air Quality v1. 1 improves power consumption and Wi Fi antenna design
