FAQ(s) ArticlesGeneral FAQ Usage Four principles of Data Sampling Limited output drivers SD Card Storage Usage SD Card Testing Return a defective Data Logger Electrical Low start voltage Usage of a Voltage Divider (A /D input) Deep discharge LifePO4 battery Connecting External Solar Charger to SLA power board SENSORS MODBUS Start Measure Command Network & Modem TLS and Cyphers MQTT connection problems Doc navigation← Data logger - Version ChangesData logger firmware → How can we help? Name Email subject message