A raspberry pi is extremely overkill for such a task. You could easily do this with an E-Ink display connected to an ESP32 or maybe an ESP8266. These have about 4mb of memory (depending on what board you buy) and onboard wifi/bluetooth. They cost about $5.
A raspberry pi is extremely overkill for such a task. You could easily do this with an E-Ink display connected to an ESP32 or maybe an ESP8266. These have about 4mb of memory (depending on what board you buy) and onboard wifi/bluetooth. They cost about $5.