INKY what ePaper/eInk/EPD Screenshots View ImageView ImageView Image Hunter's comment i think that e-paper is a totally underrated technology and now that you can get different versions that certainly

The Things Network LoRaWAN +1 -- connect all the things Screenshots Hunter's comment hard to believe it's been a year since they released this, i'd be interested to know how big the network in the neatherlands

Introduction Did you hear about Bluetooth low energy? Beacon ? all of these terms are for the same thing. a small device that can run on coin cell battery for months or years. 4,486,000 Sensors deployed