He’s written a nice Instructable on a Temperature Data Logger that he has built and thankfully ... opened in spreadsheet software to make a graph showing temperature change over time.

For the last few months, I had been using Sparkfun’s Phant server as a data logger for a small science ... To that end, I connected a DHT11 temperature/humidity sensor to a NodeMCU board to ...

The USB segment is estimated to contribute a significant share during the forecast period.

Tapp data loggers contain no lithium-ion batteries and are made from fibers extracted from post-harvest agricultural waste, which are subsequently turned into paper housing.