EasyLoader (beta)

Current Product Don't Have Test Firmware

Note: pls, use PC chrome/edge browser, if can't connect, refresh the webpage.

1. Click connect button

2. After connected successfully, pick a firmware

3. Click the burn button

4. After burning successfully, Unplug the device and restart.





ENV HAT It is able to detect the temperature, humidity, air pressure and magnetic field. This product relates via I2C protocol which allows you to obtain 4 types of environment data thru just 2pins, together with the tiny body, makes it a powerful application for environment data collecting.

Product Features

  • temperature:

    • Range: -20 ~ 60 ℃
  • Humidity:

    • Range: 20 ~ 95 %RH
  • Air pressure:

    • Range: 300 ~ 1100hPa
  • Typical Magnetic Field:

    • ±1300μT(x,y-axis),±2500μT(z-axis)
    • magnetic field resolution: 0.3μT


  • 1x ENV Hat


  • Weather Station
  • Compass


Resources Parameter
Communication protocol I2C:DHT12(0x5C),BMM150(0x10)
Net weight 4g
Gross weight 8g
Product Size 24*20*14mm
Package Size 36*38*18mm


EasyLoader is a concise and fast program writer, which has a built-in case program related to the product. It can be burned to the main control by simple steps to perform a series of function verification.

Download Windows Version Easyloader Download MacOS Version Easyloader

Air pressure, temperature and humidity display, magnetic force count value display.


Pin Map

M5StickC GPIO0 GPIO26 3.3V GND



Please click here to get complete code


Open http://flow.m5stack.com and Load Demo


Q1: How do I remove the speaker floor noise when the M5Core is on or running?

Q2: How does M5Core2 stack modules?

Q3: A timeout error is displayed when uploading the program to the device

Q4: How to solve the phenomenon of automatic signal triggering of M5Core button A

Q5: M5 device battery life

Q6: Can multiple modules with batteries be stacked at the same time?

Q7: M5 master supports WiFi connection to 5G frequency band

Q8: The RS485 device cannot communicate normally/data is garbled. Packet loss, etc.

Q9: The difference between different masters and camera products

Q10: M5 camera image blur, how to adjust the focal length

Q11: The control RGB LED pin of FACE II BOTTOM conflicts with the I2S DOUT pin of CORE2

Q12: Does the battery run out of power quickly?

Q1: How to read the programmed firmware?

Q2: Several solutions for esp32 board download failure in Arduino IDE board management

Q3: Arduino SPIFFS file upload operation

Q4: When M5Burner burns firmware, an error pop-up window or exception occurs

Q5: Does the M5 master device support multi-language display (Chinese, English, Japanese, Russian, etc.)?

Q6: The program cannot load the SD card normally

Q7: How to use Bluetooth, HTTP, SD, WebServer, FreeRTOS and other features in Arduino IDE

Q8: How to download programs for STAMP C3U

Q9: How STAMP C3U defines UART0 output mode

Q10: Unable to connect to UIFlow Desktop IDE

Q11: NBIoT devices cannot connect to the network normally