LogBox BLE - Bluetooth Multi Channel Data LoggerLogBox Connect BLE Data Logger, 3 analog + 1 digital inputs, 140K loggings LogBox BLE is a Bluetooth data logger for up to three analogue sensors and one digital. The analogue channels accept direct connection of thermocouple temperature sensors or Pt100 and sensors for any other quantities with signals in current or voltage. The digital channel could either record events with time stamp, such as opening a door or counting pulses from a flow sensor.