Recycling Junk E-tags Into A LoRaWAN AQI Sensor

e-paper display showing hand-drawn fonts attached to a custom controller PCB

[Aduecho] had seen those cheap eBay deals of e-paper-based pricing tags, and was wondering if they could be hacked to perform some other tasks. After splitting the case open, the …read more Continue reading Recycling Junk E-tags Into A LoRaWAN AQI Sensor