HSRW EOLab Wiki

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~~NOTOC~~

====== ESP32 CAM Development ======

  * [[https://www.adafruit.com/product/4755|Adafruit bq24074 solar charger]]
  * [[https://learn.adafruit.com/adafruit-bq24074-universal-usb-dc-solar-charger-breakout/design-notes|Design Notes MPPT]]
  * [[https://learn.adafruit.com/adafruit-bq24074-universal-usb-dc-solar-charger-breakout/downloads|Adafruit bq24074 downloads incl. schematics]]
  * TI datasheet {{https://www.ti.com/lit/ds/symlink/bq24074.pdf|BQ2407x Standalone 1-Cell 1.5-A Linear Battery Chargers with Power Path}}
  * TI datasheet {{https://www.ti.com/lit/ds/symlink/lp38691-q1.pdf|LP3869x/-Q1 500-mA Low-Dropout}}

===== Mark's Bench (2020) =====

  * https://marksbench.com/electronics/esp32-cam-low-power-trail-camera/

He uses a FET as a low side current switch to switch the GND of the ESP32-Cam. The FET is triggered by a PIR sensor which keeps its output high for 2 seconds in case of motion.

===== AI Thinker ESP32 Cam =====

  * [[https://randomnerdtutorials.com/esp32-cam-ai-thinker-pinout/|Random Nerd Tutorial on ESP32-Cam]]
  * https://randomnerdtutorials.com/esp32-cam-take-photo-display-web-server/
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===== Videos (to be sorted) =====

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===== Seeed XIAO ESP32S3 Sense Expansion Board incl. Cam =====

  * **:!: Main Wiki Page: [[https://wiki.seeedstudio.com/xiao_esp32s3_getting_started/|Getting Started with Seeed Studio XIAO ESP32S3 (Sense)]] \\ At the bottom of this wiki page are the link to the [[https://wiki.seeedstudio.com/xiao_esp32s3_getting_started/#resources|design resources.]]**
  * [[https://wiki.seeedstudio.com/xiao_esp32s3_pin_multiplexing/|Pin Multiplexing with Seeed Studio XIAO ESP32S3 (Sense)]]
  * [[https://wiki.seeedstudio.com/xiao_esp32s3_sense_filesystem/|File System and XIAO ESP32S3 Sense]]

  * Product Page: [[https://www.seeedstudio.com/XIAO-ESP32S3-p-5627.html|Seeed Studio XIAO ESP32S3]]

  * **{{https://files.seeedstudio.com/wiki/SeeedStudio-XIAO-ESP32S3/res/XIAO_ESP32S3_SCH_v1.1.pdf|XIAO ESP32S3 V1.1 Schematic}}**
  * {{https://files.seeedstudio.com/wiki/XIAO_WiFi/Resources/Seeeduino-XIAO-ESP32C3-SCH.pdf|XIAO ESP32C3 Schematic}}
  * {{https://files.seeedstudio.com/wiki/SeeedStudio-XIAO-ESP32S3/res/XIAO_ESP32S3_ExpBoard_v1.0_SCH.pdf}}



  * [[https://www.seeedstudio.com/blog/2023/02/16/tiny-size-brings-big-challenges-the-inside-story-of-xiao-esp32s3-designing-discover-the-hard-work-passion-and-innovation-behind-the-scenes/| The Inside Story of XIAO ESP32S3 Designing]]

===== Marcelo Rovai on TinyML =====

  * [[https://github.com/Mjrovai/XIAO-ESP32S3-Sense|Marcelo Rovai's git repo]]
  * [[https://mjrobot.org/|MJRoBot.org (Marcelo Rovai)]]
  * [[https://www.hackster.io/mjrobot/esp32-cam-tinyml-image-classification-fruits-vs-veggies-4ab970|ESP32-CAM: TinyML Image Classification - Fruits vs Veggies]]

===== XIAO ESP32S3 Components =====

  * {{https://www.sg-micro.com/uploads/soft/20221029/1667021286.pdf|SGM6029}} Ultra-Low Quiescent Current, Synchronous Buck Converter, 3V3
  * [[https://www.sg-micro.com/show-product-944.html|SGM40567]] Small Capacity Compact Battery Charger for Loosely Coupled Wireless Charging/Solar Charging
  * LDOs for cam: https://www.sg-micro.com/show-product-502.html