Hardware: M5Paper, 2.4GHz Wi-Fi. 2. Libraries: WiFi.h, HTTPClient.h. 3. Config: Define SSID and PASSWORD. 4. Code: Init Wi-Fi in setup() with WiFi.begin(). Wait for connection. 5. Fetch: Use HTTPClient for GET request to JSON API (e.g., weather). Parse response. 6. Display: Show data on e-Ink. Use readable fonts for 960x540. 7. Verification: Unplug M5Paper. Display stays static, showing low power usage. 8. Next: Add Deep Sleep between updates to maximize battery life.