~~NOTOC~~

====== ESP32 modules other than ESP32-S3-DevKitC ======

===== ESP32 DevKitC by Espressif =====

  * https://docs.espressif.com/projects/esp-idf/en/latest/hw-reference/get-started-devkitc.html

===== ESP32 WROVER-IB =====

|  Module  |  Chip  |  Flash, MB  |  PSRAM, MB  |  Ant.  |  Dimensions, mm  |
|  ESP32-WROVER-IB  |  ESP32-D0WD  |  4, 8, or 16  |  8  |  U.FL  |  18 × 31.4 × 3.3  |

Source: https://docs.espressif.com/projects/esp-idf/en/latest/hw-reference/modules-and-boards.html

**[[https://www.espressif.com/sites/default/files/documentation/esp32-wrover-b_datasheet_en.pdf|ESP32 WROVER-B Datasheet]]**

[[https://docs.espressif.com/projects/esp-idf/en/latest/hw-reference/modules-and-boards.html|{{https://dl.espressif.com/dl/schematics/pictures/esp32-wrover.jpg?400}}]]

==== Pinout ====

Source: https://www.instructables.com/id/The-Incredible-ESP32-Wrover-From-Espressif/

{{https://cdn.instructables.com/FSJ/SF9P/JOIXXJJ3/FSJSF9PJOIXXJJ3.LARGE.jpg?800}}
===== ESP32 DevKitC V4 with WROVER-IB =====

**STILL MISSING!**
===== ESP32 DevKitC V4 with WROOM-32 =====

{{https://live.staticflickr.com/4764/40089095211_ec1fee0087_b.jpg?600}}

===== ESP32 DEVKIT V1 with WROOM-32, as described by RandomNerdTutorial =====

Pinout diagram by **RandomNerdTutorial**

{{https://i1.wp.com/randomnerdtutorials.com/wp-content/uploads/2018/08/ESP32-DOIT-DEVKIT-V1-Board-Pinout-36-GPIOs-updated.jpg?600}}

Source: https://randomnerdtutorials.com/esp32-pinout-reference-gpios/

**RandomNerdTutorial** also provides a informative **list of WROOM-32 GPIO pins** with descriptions with pins are free to use.


===== ESP32 Touch Wakeup from Deep Sleep =====

Source: https://randomnerdtutorials.com/esp32-touch-wake-up-deep-sleep/
===== Tipps and Tricks =====

  * ESP8266 to MySQL: https://randomnerdtutorials.com/esp32-esp8266-mysql-database-php/
  * ESP32 both I2C: https://www.az-delivery.de/blogs/azdelivery-blog-fur-arduino-und-raspberry-pi/esp32-beide-i-c-schnittstellen-verwenden
===== TTGO T-Call =====

Used as reference implementation for WROVER integration. 

Source: https://github.com/Xinyuan-LilyGO/TTGO-T-Call|

[[https://github.com/Xinyuan-LilyGO/TTGO-T-Call|{{https://raw.githubusercontent.com/Xinyuan-LilyGO/TTGO-T-Call/master/datasheet/board.jpg?400}}]]

==== TTGO T-Call ISSUES / IMPROVEMENTS ====

  * Issues on Github Repo: https://github.com/Xinyuan-LilyGO/TTGO-T-Call/issues/13


===== TTGO T-Call Examples ====

  * Instructables: https://randomnerdtutorials.com/esp32-sim800l-publish-data-to-cloud/

===== SIM800L =====

Source: https://nettigo.eu/products/sim800l-gsm-grps-module


{{https://nettigo.eu/system/images/1935/original.jpg?600}}


===== LiPo Charging and Protection =====

Andreas Spiess:

  * [[https://www.youtube.com/watch?v=ttyKZnVzic4|#155 The 5 Best Solar ChargerBoards for Arduino and ESP8266]]
  * [[https://www.youtube.com/watch?v=1rg3ZWxBNUE|#160 40 Cent Do-It-Yourself Li-Ion Protectors for 18650 Cells (Tutorial) and how they work]]


===== Wiring Bootloading and Flashing the ESP32 WROVER =====

Source: https://www.14core.com/wiring-bootloading-and-flashing-the-espressif-esp32-wrover/

{{https://www.14core.com/wp-content/uploads/2017/09/Flashing-esp32-wroom-esp32-wrover-flash-download-tool-diagram-schematics.jpg?600}}

===== ESP 32 Software =====

==== Random Nerd Tutorials ====

  * Deep Sleep, Arduino: https://randomnerdtutorials.com/esp32-deep-sleep-arduino-ide-wake-up-sources/
  * ESP 32 + SIM800L, Arduino: https://randomnerdtutorials.com/esp32-sim800l-publish-data-to-cloud/

===== Problems with Power Supply =====

  * https://arduino-hannover.de/2018/07/25/die-tuecken-der-esp32-stromversorgung/

===== Unsorted =====

  * TTGO T-Call: \\ https://github.com/Xinyuan-LilyGO/TTGO-T-Call
  * S8089 DC/DC: \\ https://de.aliexpress.com/item/32734295454.html
  * IP5206, Battery Management: \\ https://lcsc.com/product-detail/PMIC-Battery-Management_IP5206_C181697.html