====== ESP32 ======

[[https://randomnerdtutorials.com/esp32-pinout-reference-gpios/|how to use pins]]
[[https://www.14core.com/wiring-and-flashing-programming-esp-32-esp32s-with-usb-ttl-uart/|esp32 chip only]]

===== ESPCAM =====

{{:projects:internetofthings:esp32-cam-ftdi-programmer-5v-supply.png?400|}}

  * upload code: GPIO 0 needs to be connected to GND
  * run code: remove GPIO 0 from GND and press the RST button
====== Lolin32 lite  ======


{{:projects:internetofthings:lolin32_pinout03-1.png?600|}}

  * [[https://docs.platformio.org/en/latest/boards/espressif32/lolin32_lite.html|platformio specifications]]
  * ESP32 Module: ESP-WROOM-32 from Espressif.
  * 240MHz dual core microprocessor equipped with
  * 4MB SPI flash memory. Support up to 16MB of flash memory
  * Connectivity
  * WiFi 802.11 b / g / n.
  * Security WEP, WPA / WPA2 PSK / Enterprise.
  * Integrated cryptographic chip supporting AES / SHA2 / Elliptical Curve Cryptography / RSA-4096 algorithms
  * Maximum power for data transfer: 19.5 dBm@11b, 16.5 dBm@11g, 15.5 dBm@11n
  * Sensitivity max. reception: -97 dBm
  * Bluetooth 4.0 LE
  * 32 Inputs / Outputs
  * 26x Digital I / O (3.3V). All outputs can be PWM
  * 18x analog inputs
  * 3x UART
  * 3x SPI
  * 2x I2S
  * 2x DAC
  * 2x I2C
  * Sleep Mode Consumption: 5 μA
  * Integrated sensors
  * Hall Effect
  * 10x inputs for capacitive touch interface
  * LiPo battery connector JST XH2-2.54mm
====== LILYGO TTGO T5 V2.3_2.13 ======

  * https://fr.aliexpress.com/item/32869729970.html
  * display: GxGDEM0213B74
  * SKU: H239 2-colors 
  * platformio project: https://github.com/Xinyuan-LilyGO/T5-Ink-Screen-Series
    * #define LILYGO_T5_V213
    * #include <GxDEPG0213BN/GxDEPG0213BN.h>


===== AZ-Delivery D1 Mini ESP32 =====

{{ :projects:internetofthings:d1_mini_esp32_-_pinout.pdf |pinout}}

{{ :projects:internetofthings:d1_mini_esp32_datenblatt_az-delivery_vertriebs_gmbh.pdf |datasheet}}

===== TTGO ESP32 =====
builtin led pin 22

ESP32 devkit v1
[[https://it.aliexpress.com/item/TTGO-MINI32-V2-0-ESP32-rev1-rev-uno-WiFi-Modulo-Bluetooth-Per-D1-mini/32845357819.html|TTGO mini32 ESP32]] [[https://www.banggood.com/Wemos-TTGO-MINI-32-V2_0-ESP32-WiFi-Bluetooth-Module-Development-Board-p-1286046.html?rmmds=search|bangood]] [[https://www.amazon.it/ILS-Bluetooth-Scheda-sviluppo-modulo/dp/B07FJM9LY1/ref=sr_1_1?ie=UTF8&qid=1539582670&sr=8-1&keywords=ttgo+mini+32+v2.0+esp32|amazon]]

<code>
Chip is ESP32D0WDQ6 (revision 1)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse
</code>

  * PIN 22 is connected to green LED

{{:projects:internetofthings:ttgo-esp32-pinout.jpg?600|}}

  * [[https://github.com/LilyGO/ESP32-MINI-32-V2.0|arduino example]]
===== DOIT ESP32 =====


{{:projects:internetofthings:pinoutdoit32devkitv1.png|}}

{{ :projects:internetofthings:esp32_schematic_prints.pdf|physical pinout}}


===== MakerHawk ESP32 OLED Display =====

  * [[https://drive.google.com/file/d/1adV8qKkzZWtWqKQMTOAmV44uLfnYM7xG/view|resources]]
  * [[https://github.com/Heltec-Aaron-Lee/WiFi_Kit_series|github lib]]
  * [[https://github.com/Heltec-Aaron-Lee/WiFi_Kit_series/blob/3b81bff5f710df6ed8bd47120ad2879c165da936/esp32/variants/wifi_kit_32/pins_arduino.h|pins arduino]]

{{:projects:internetofthings:heltech.png?600|}}