Arduino-MQ131-driver
arduino-i2c-scd4x
Arduino-MQ131-driver | arduino-i2c-scd4x | |
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1 | 3 | |
64 | 36 | |
- | - | |
0.0 | 1.0 | |
almost 3 years ago | about 1 year ago | |
C++ | C++ | |
MIT License | BSD 3-clause "New" or "Revised" License |
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Arduino-MQ131-driver
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Monitoring my home's air quality with AirGradient's DIY sensor
Not sure if this is DIY enough for you, but I'm using an MQ131 (about $20-$30 on Amazon, probably cheaper directly from China) in an air quality sensor I'm building. There's an Arduino library for it [1], and from what I can tell so far, it does work, though it's probably not super accurate. It's also somewhat sensitive to environmental factors, though you can correct for some of that with known temperature/humidity.
[1] https://github.com/ostaquet/Arduino-MQ131-driver
arduino-i2c-scd4x
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Can't enable auto-calibration of SCD41
I want to enable the auto calibration (ASC) mode for the SCD41 but it doesn't seem to work. I connected the SCD41 to an ESP8266 and used an Arduino IDE and the Sensirion Arduino library https://github.com/Sensirion/arduino-i2c-scd4x. The code I used to enable it is scd4x.setAutomaticSelfCalibration(1) and it outputted 0, which indicates that it is enabled successfully. But when I checked the status of ASC with getAutomaticSelfCalibration(), it outputted 0, which indicates that the ASC is disabled and getAutomaticSelfCalibrationInitialPeriod always outputs16383, which indicates that there are still 16383 hours until the first ASC.
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Very basic I2C help
Depending on what you want to do, there's also a SCD4x library straight from Sensirion that you can use with Arduino. I've used it successfully with the SCD41. Sensirion's examples usually start with reading the serial numbers of their sensors, although with the help of library functions.
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ESP-32 SCD-41 Sensor
Their own library: https://github.com/Sensirion/arduino-i2c-scd4x
What are some alternatives?
vzlogger - Logging utility for various meters & sensors
arduino-sht - Repository for Sensirion humidity and temperature sensor support on Arduino
invensense-imu - Arduino and CMake library for communicating with the InvenSense MPU-6500, MPU-9250 and MPU-9255 nine-axis IMUs.
scd4x-CO2 - A library to interface esp chips with the SCD4x CO2 sensors in the Arduino (c++) Framework.
pcd8544 - Minimal footprint library for Philips PCD8544 LCDs on the Arduino.
IRremoteESP8266 - Infrared remote library for ESP8266/ESP32: send and receive infrared signals with multiple protocols. Based on: https://github.com/shirriff/Arduino-IRremote/
CCS811 - Arduino library for the CCS811 gas sensor for monitoring indoor air quality.
sensirion-sps30 - Sensirion SPS30 Python library
Arduino-SIM800L-driver - Arduino driver for GSM/GPRS module SIMCom SIM800L to make HTTP/S connections with GET and POST methods
ArduinoJson - 📟 JSON library for Arduino and embedded C++. Simple and efficient.
Adafruit_Sensor - Common sensor library