MH-Z19 VS ACS712

Compare MH-Z19 vs ACS712 and see what are their differences.

MH-Z19

For Arduino Boards (&ESP32). Additional Examples/Commands., Hardware/Software Serial (by WifWaf)

ACS712

Arduino library for ACS Current Sensor - 5A, 20A, 30A (by RobTillaart)
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MH-Z19 ACS712
2 1
192 109
- -
0.0 4.2
5 months ago about 1 month ago
C++ C++
GNU Lesser General Public License v3.0 only MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

MH-Z19

Posts with mentions or reviews of MH-Z19. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-12-22.

ACS712

Posts with mentions or reviews of ACS712. We have used some of these posts to build our list of alternatives and similar projects.
  • ACS712 Alternatives
    1 project | /r/esp32 | 12 May 2023
    I’m measuring AC. I’m filtering in software, using libraries that are pretty solid but I can’t find the code right now but it was based in this library https://github.com/RobTillaart/ACS712. I tried measuring the average values in chunks of 1000, reading every X seconds, Kalman filters… At the end, I was just reading raw values from the GPIO, calculating the average of 5 and printing it in esphome, but the values were not coherent at all. I never get a 0 value. On the electronic side, I tried with a voltage divider even if it’s not required but also without it. However I can try again if you know something worth to try.

What are some alternatives?

When comparing MH-Z19 and ACS712 you can also consider the following projects:

uart-esp-cpp - UART C++ Class Component for ESP-IDF

Adafruit-Fingerprint-Sensor-Library - Arduino library for interfacing to the fingerprint sensor in the Adafruit shop

arduino-uart-svm4x - Arduino library to work with the Sensirion's SVM41 sensor modules via UART

Adafruit_Sensor - Common sensor library

arduino-mhz19 - 💥 Arduino library for Winsen MH-Z19 – infrared carbon dioxide sensor. The library allows using the sensor over hardware or software UART on any board that supports Arduino.

invensense-imu - Arduino and CMake library for communicating with the InvenSense MPU-6500, MPU-9250 and MPU-9255 nine-axis IMUs.

EByte_LoRa_E220_Series_Library - Arduino LoRa EBYTE E220 LLCC68 device library complete and tested with Arduino, esp8266, esp32, STM32 and Raspberry Pi Pico (rp2040 boards)..

Open-Gamma-Detector - ☢️👁️ Hardware for a hackable DIY gamma-ray spectrometer using a popular NaI(Tl) scintillator, SiPM and a Raspberry Pi Pico.

microcontroller - ROS2 interface to I/O of an attached microcontroller

SparkFun_MLX90640_Arduino_Example - Controlling and reading from the MLX90640 IR array thermal imaging sensor

ModuleInterface - Easy config and value sync between IoT modules, database and web pages