Taste The Code on MSN

DIY smart access logging with Arduino RYRR30D Google Wallet and Notion integration

In this video I'm using the Reyax RYRR30D NFC module to create a system that logs records to a Notion Database. The RYRR30D ...
Nature

On Determining the Depth of the Sea Without the Use of the Sounding Line 1

THIS is the title of a paper which has been presented to the Royal Society, and Mr. Siemens gave at the meeting of the 24th ult., a description of the instrument which he has designed with this object ...