• Configurable via CH340E and Artemis Firmware Upload GUI

• 3.3V to 6.5V (via VIN with optional external power switch)
  • 5V with USB (via 5V or USB type C)
  • 3.6V to 4.2V with LiPo battery (via VBATT or 2-pin JST)
    • Built-in MCP73831 single cell LiPo charger
    • Minimum 450mA charge rate
  • 3.3V (via 3V3)

• ~20mA (Run)
• ~80µA (Sleep)
• ~18µA (Deep Sleep - regulator shut down)

• 1x USB type C
• 1x LiPo battery enabled
• 1x Qwiic enabled I2C with power control
• 1x SWD 2x5 header
• 4x Analog-to-digital
  • 14-bit, up to 1900Hz, 2V max (3.3V compatible)
• Serial
  • Logging speeds up to 500000bps [1]
• 1x microSD socket
  • Support for FAT32 and older FAT16 formats up to 32GB with power control

• ICM-20948 via SPI interface

• Power
• LiPo charge indicator
• Serial Tx and Rx
• Status

The OpenLog Artemis automatically scans, detects, configures, and logs various Qwiic sensors plugged into the board (No soldering! No programming!). Currently, auto-detection is supported on the following Qwiic products:

• uBlox GPS Modules (Lat/Long, Altitude, Velocity, SIV, Time, Date):
  • ZED-F9P 1cm High Precision GPS
  • NEO-M8P-2 2.5cm High Precision GPS
  • SAM-M8Q 1.5m 72 Channel GPS
  • ZOE-M8Q 1.5m Compact GPS
  • NEO-M9N 1.5m GPS
• MCP9600 Thermocouple Amplifier
• NAU7802 Load Cell Amplifier
• LPS25HB Barometric Pressure Sensor
• BME280 Humidity and Barometric Pressure Sensor
• MS5637 Barometric Pressure Sensor
• MS8607 Pressure Humidity Temperature Sensor
• TMP117 High Precision Temperature Sensor
• AHT20 Humidity and Temperature Sensor
• SHTC3 Humidity and Temperature Sensor
• CCS811 Air Quality Sensor
• SGP30 Air Quality Sensor
• SCD30 CO2 and Air Quality Sensor
• VEML6075 UV Sensor
• VCNL4040 Proximity Sensor
• VL53L1X LIDAR Distance Sensor
• ADS122C04 ADC PT100 Sensor
• Qwiic Mux allowing for the chaining of up to 64 unique buses!
• More boards are being added all the time!

This OpenLog uses common microSD cards to record clear text, comma separated files. You probably already have a microSD card laying around but if you need any additional units see the related items below. The OpenLog Artemis supports microSD cards formatted as FAT32 as well as the older FAT16 formats up to 32GB. Currently, the OpenLog Artemis does not support microSD cards formatted with exFAT but we plan to offer support for it in the future

Very low power logging is supported. OpenLog Artemis can be configured to take readings at 500 times a second, or as slow as 1 reading every 24 hours. You choose! When there is more than 2 seconds between readings OLA will automatically power down itself and the sensors on the bus resulting in a sleep current of approximately 18uA. This means a normal 2Ah battery will enable logging for more than 4,000 days! OpenLog Artemis has built-in LiPo charging set at 450mA/hr.

New features are constantly being added so we’ve released an easy to use firmware upgrade tool. No need to install Arduino or a bunch of libraries, simply open the Artemis Firmware Upload GUI, load the latest OLA firmware, and add features to OpenLog Artemis as they come out!