Inspiration for a energy Epaper tag Coded for a 4.2" price tag https://www.tindie.com/products/electronics-by-nic/openepaperlink-43-epaper-tag/
Use the automation as insipration and add your on style and sensor to it.
Inspiration for a energy Epaper tag Coded for a 4.2" price tag https://www.tindie.com/products/electronics-by-nic/openepaperlink-43-epaper-tag/
Use the automation as insipration and add your on style and sensor to it.