Kumamoto was struck by a 7.1 JME quake on July 28. The epicenter was located in Uki.  

Resources
Kumamoto  International Association   https://www.kuma-koku.jp/default.aspx

Kumamoto Support Center for Foreign Residents: https://www.kuma-koku.jp/support-center/hpkiji/pub/list.aspx?c_id=3&class_set_id=6&class_id=579

Kumamoto International foundation   https://www.kumamoto-if.or.jp/default.html

Local resources from Kumanichi newspaper      https://kumanichi.com/life2026

List of resources :   https://kumamoto-saigai-shien.netlify.app/

Kumamoto Waterwork :  https://www.kumamoto-waterworks.jp/

The Cardputer ADV allows for GPS and Weather sensor to download the data as a .CSV on the SD card.
Material: 

• M5 Stack Cardputer ADV

• M5 Stack GPS v1.1 (connected in the GPIO) 

• M5 Stack Env. III sensor (connected in the Grove port)

The pinout is

GND --> GND
5V      --> 5V Out
TXD  --> G3 
RXD --> G4

Key Features & Functionality

• Environmental Sensing (ENV III Unit):

  • Reads temperature and humidity using the SHT3X sensor.

  • Reads barometric pressure using the QMP6988 sensor.

  • Communicates via I2C on the Grove port (SDA: GPIO 2, SCL: GPIO 1).

• GPS Tracking & Auto-Baud Rate Detection:

  • Uses TinyGPSPlus to parse location (latitude, longitude, altitude), satellite count, HDOP, and UTC date/time via serial (RX: GPIO 3, TX: GPIO 4).

  • Auto-recovery: If no serial data arrives for 5 seconds, it automatically toggles the GPS baud rate between 9600 and 115200 to maintain a connection.

• SD Card CSV Data Logging:

  • Automatically scans the SD card on startup to find the highest existing log number and creates a new sequential file (e.g., log_00001.csv, log_00002.csv).

  • Appends a new timestamped row of sensor and location data to the active CSV file every 2 seconds.

• Live Color Dashboard (Display):

  • Renders a custom 4-panel dashboard on the built-in screen with color-coded telemetry:

    • Header: Title and pin layout info.

    • ENV III Panel: Live temperature, humidity, and atmospheric pressure.

    • GPS Panel: Satellite fix status, coordinate readouts, or troubleshooting status ("NO SERIAL DATA" / "Searching").

    • SD & Logging Status: Active filename, record count, and logging status.

• On-Device Keyboard Controls:

  • Pressing G, Space, or Enter on the Cardputer keyboard instantly closes the active log file, increments the file index, and starts a fresh CSV log.

The JSN-SR04T is a more rugged than the HC-SR04. The sensor will need to be tested outside.
You can easily view the results in the serial monitor when set at 9600 baud. 
VCC: Connect to the 5V pin on the Arduino R4 WiFi.

Trig: Connect to Digital Pin 9 on the Arduino R4 WiFi.

Echo: Connect to Digital Pin 10 on the Arduino R4 WiFi.

GND: Connect to the GND pin on the Arduino R4 WiFi.

This is a simple flood sensor prototype built from:
Arduino R4
Ultrasonic distance Sensor(HC-SR04)
Passive buzzer (KY-006)
Traffic Light LED Module
The distance is set at 50 cm from the sensor for the red light to turn on and the buzzer to activate.

Hardware Connections Checklist

• Ultrasonic Sensor (HC-SR04):

  • VCC to Arduino 5V

  • GND to Arduino GND

  • Trig to Arduino Digital Pin 4

  • Echo to Arduino Digital Pin 3

• LED Mini Traffic Light Module:

  • Red to Arduino Digital Pin 9

  • Yellow (you can leave this unconnected for this sketch)

  • Green to Arduino Digital Pin 7

  • GND to Arduino GND

• Passive Buzzer (KY-006):

  • S (Signal) to Arduino Digital Pin 8

  • + (VCC) to Arduino 3.3V

  • - (GND) to Arduino GND

Heavy rain, which started on August 10th, flooded part of the city of Kumamoto during the night. In the early hours of August 11th, the Iseri and Tsuboi rivers had overflowed in some parts of the city. The area shown on the map is the Hanazono area near Kami Kumamoto station.