I have an OpenLog Artemis with two sensors attached, a TMP-117 temperature sensor and a KX-134 triple axis accelerometer. Initially, the accelerometer was not recognized. While trying to figure out what was going on, I somehow got it into a mode where it will not start logging if the microSD card is installed. It will run connected to a terminal emulator but I have found no way to wake it up if the SD card is inserted. If I press reset, the power and status LEDs blink and if connected to my computer via USB I get a chirp indicating the USB device was detected. I found a forum entry that indicated the accelerometer problem was related to the firmware version. I updated the firmware to 2.5 and the accelerometer module is now recognized, but it still won’t power up with the microSD card inserted.
Weird - Do you have an alternate SD card you can try? Or have you tried re-formatting the one being used?
It also might be worth going through the config menu and ensuring the SD card & logging are enabled https://learn.sparkfun.com/tutorials/op … figuration