Last Updated or created 2023-10-20

UPDATE 20231020 – Via USB Serial (also schematic for below integration)
https://www.henriaanstoot.nl/2023/10/20/thunderbird-mail-notification-flag-via-usb/

Using a servo which is MQTT controlled, and a slash command in Mattermost, i can be notified by friends and colleages.

Flag, and monitor-stand are 3D printed.

ESP is a simple wemos mini.