Small-Sized LoRa SODAQ board

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This is the third generation of our successful SODAQ ONE board. It is equipped with a solar charge controller and runs on a LiPo or a permanent battery. It has the Ublox Eva 8M GPS module which is not only miniature but with it's assisted GPS feature it can get a fix within seconds. We've now added an extremely low power Accelerometer/Magnetometer. This gives the board a nifty feature where it can stay in (deep) sleep mode until it moves. An essential feature for developing low power devices.

Let's imagine you want to develop a bicycle tracker using the SODAQ ONE. You would like to track the position of the bike, but only when it has moved. This is possible if you keep the device in deep sleep until it detects motion. If the motion continues for a while, the bicycle may have changed position so only then the GPS will switch on to get a new reading and send this location over the LoRa network. Efficient right? This system will allow you to make the most efficient use of your battery capacity by only using the GPS when really needed, essentially increasing the battery life of your system.

The board is so small (45x25 mm) you can fit it inside almost anything (Seriously, look at the picture). To ease the development we have fitted two rows of headers so you can use it on a breadboard. Why? Well, it has 14 free I/O lines that you can use for your own purpose. Whether you want to build a weather station, control street lights or get a signal when you have received (snail) mail. It's all possible with the SODAQ ONE.

New in this version is that we have added JST headers (receptacles) so you can now directly plug in a LiPo battery and Solar Panel if you like.

# Developement Kit
# End Device
# EU 863-870
# US 902-928


Technical details


  • Microcontroller: ATSAMD21G18, 32-Bit ARM Cortex M0+
  • Compatibility: Arduino M0 Compatible
  • Size: 45 x 25 mm
  • Operating Voltage: 3.3V
  • I/O Pins: 14, All can be used for digital and 12 log with PWM, UART, SPI and TWI (I2C)
  • Analog Output Pin: 10-bit DAC
  • External Interrupts: Available on all pins
  • DC Current per I/O pin: 7 mA
  • Flash Memory: 256 KB
  • SRAM :32KB
  • EEPROM: Up to 16KB by emulation
  • Clock Speed: 48 MHz
  • Debug: Serial Wire Interface
  • Power: 5V USB power and/or 3.7 LiPo battery
  • Charging: Solar charge controller, up to 500mA charge current
  • LoRa Microchip: RN2483 / RN2903
  • GPS: uBlox EVA 8M
  • Accelerometer/Magnetometer: LSM303AGR
  • USB : MicroUSB Port
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