I built something that's similar to what you're describing, here's an article about it: https://www.hackster.io/lukehaas/e-ink-display-for-daily-news-weather-an

I built something that's similar to what you're describing, here's an article about it: https://www.hackster.io/lukehaas/e-ink-display-for-daily-news-weather-and-more-3dd7b1 https://www.hackster.io/lukehaas/e-ink-display-for-daily-new... It combines a Pi Zero with a 2000mAh lipo, updates every 6 hours and lasts for around 90 days per charge.