Esp32

pan tilt
https://github.com/jonathanrandall/electric_watergun_with_tracking pan tilt tracking of target.

camera
https://www.hackster.io/news/this-handheld-device-uses-an-esp32-to-play-videos-00bb6aaa035d Alex was able to design a compact video player that supports MJPEG video formats and MP3 audio files while using off-the-shelf parts. See https://www.youtube.com/watch?v=Ob_l5PkH2qA and https://www.youtube.com/watch?v=67RFm2RMjC4&t=77s

https://www.youtube.com/watch?v=Ul0h5Maeoeg In this video I run you through the process of me developing a fully-equipped ESP32-CAM-based Solar-powered WiFi Security (Surveillance) Camera from the ground up. Overcoming a handful of obstacles in the way along the journey of building the unit, after 3 months, I am proud to announce that I have succeeded! Even though the camera can have more improvements done to really get the most out of it (Hardware-wise and with remote access features), it still has turned out to be a capable DIY security camera that can already do so much. https://github.com/s60sc/ESP32-CAM_MJPEG2SD and diagram SP32 Camera motion capture application to record JPEGs to SD card as AVI files and stream to browser as MJPEG. If a microphone is installed then a WAV file is also created. Files can be uploaded via FTP or downloaded to browser.

3d printer
https://hackaday.io/project/180298-pandazhu-all-in-one-wifi

links
https://www.reddit.com/r/embedded/comments/xvugb5/how_to_power_up_a_33v_mcu_with_a_37v_battery/ 3.7v to 3.3 lipo https://www.youtube.com/watch?v=lOG8-mQHZTw debug by Ralph Bacon, https://store.eplop.co.uk/product/esp32-minikit-debug-shield/ openwrt rasp zero range extender usb ac dongle with detachable antenna. https://www.instructables.com/Programming-ESP32-CAM-With-ESP8266/ programming esp32 with esp8266 streaming, Streaming script Mickmake.com ESP8266 Kriswiner imu sensor