Velleman Earth Listener

WhaddaSKU: RB-Vel-347
Manufacturer #: WMMI211

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Sale price ¥26,538

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  • Earth Listener by Velleman
  • Offers a 2.8-inch color touch screen
  • Detects lightning or electronic discharge up to 40 km away
  • Measures the environmental values eCO2, TVOC, and more
  • Specially designed hardware with pre-programmed software
  • Stylish wooden enclosure
  • Open source and fully Arduino based
  • Implemented logging function on SD card (Not Included)

The Velleman Earth Listener is an Arduino-based sensor device that reads multiple environmental values to indicate the air quality. This kit is assembled in 15 minutes and you don't need a soldering iron, just connect the parts and wires, put everything in the case and connect it to a 5V USB socket.

The Mega development board is pre-programmed and shows eCO2, TVOC (particles in the air), barometric pressure, temperature, and humidity values onto the TFT touchscreen. To top things off, the Earth Listener also contains a lightning detection sensor.

If lightning (or electronic discharge) is detected, the Earth Listener will give an alarm tone and log how far the lightning is located. Since everything is open source, you can add an additional 6 sensors to the Earth Listener via the sensor shield. Logging is possible via the micro SD card (not included).

Velleman Earth Listener - Click to Enlarge

  • 1x Velleman Earth Listener


  • 135 x 41 x 84 / 5.31 x 1.61 x 3.31 inch (L x W x H)

Development board

  • Microcontroller: ATmega2560
  • Operating voltage: 5 VDC (USB) - power supply not included, 2m USB cable included
  • Free pins after build: 30 digital / 5 analog

Touch screen

  • TFT resolution: 320 x 240
  • TFT colour depth: 262 000 colour

CCS811 sensor

  • Total Volatile Organic Compound (TVOC) sensing from 0 to 1,187 parts per billion
  • eCO2 sensing from 400 to 8,192 parts per million
  • I2C compatible interface

BME280 sensor

  • Temp range: -40 to 85 °C
  • Humidity range: 0-100% RH, =-3% from 20-80%
  • Pressure range: 30,000 Pa to 110,000 Pa, relative accuracy of 12 Pa, absolute accuracy of 100 Pa
  • Altitude range: 0 to 9.2 km (30.000 feet), the relative accuracy of 1 m (3.3 feet) at sea level, 2 m (6.6) at 9,2 km (30.000 feet)
  • I2C compatible interface

Enclosure material

  • Laser-cut wood
  • Plexi enclosure (VM211SE)

AS3935 sensor

  • Distance estimation to the head of the storm from overhead to 40 km in 15 steps
  • Detects both cloud-to-ground and cloud-to-cloud flashes
  • SPI and I2C compatible interface

  • Weight: 215 g

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