====== ESP32 ======
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^  GPIO  ^  IN  ^  OUT  ^  ALT  ^  ADC  ^  Commentaires  ^
|   0  |  <color white/orange>OUI ⇑</color>  |  <color white/green>OUI</color>  |    |  2_Ch1  |  Doit être à 0V pendant le FLASH  |
|   1  |  <color white/red>NON</color>       |  <color white/green>OUI</color>  |  TX0  |    |  Communication UART avec le PC  |
|   2  |  <color white/orange>OUI ⇓</color>  |  <color white/green>OUI</color>  |  SD_D0  |  2_Ch2  |  Doit être à 0V pendant le FLASH  |
|   3  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  RX0  |    |  Communication UART avec le PC  |
|   4  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  SD_D1  |  2_Ch0  |    |
|   5  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  VSPI_CS  |    |   Envoie un signal PWM lors du boot  |
|   6  |  <color white/red>NON</color>       |  <color white/red>NON</color>    |    |    |  Connecté à la flash interne  |
|   7  |  <color white/red>NON</color>       |  <color white/red>NON</color>    |    |    |  Connecté à la flash interne  |
|   8  |  <color white/red>NON</color>       |  <color white/red>NON</color>    |    |    |  Connecté à la flash interne  |
|   9  |  <color white/red>NON</color>       |  <color white/red>NON</color>    |    |    |  Connecté à la flash interne  |
|  10  |  <color white/red>NON</color>       |  <color white/red>NON</color>    |    |    |  Connecté à la flash interne  |
|  11  |  <color white/red>NON</color>       |  <color white/red>NON</color>    |    |    |  Connecté à la flash interne  |
|  12  |  <color white/orange>OUI ⇓</color>  |  <color white/green>OUI</color>  |  MTDI / HSPI_MISO / SD_D2  |  2_Ch5  |  Doit être à 0V pendant le BOOT  |
|  13  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  HSPI_MOSI / SD_D2  |  2_Ch4  |    |
|  14  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  HSPI_SCK / SD_CLK  |  2_Ch6  |  Envoie un signal PWM lors du boot  |
|  15  |  <color white/orange>OUI ⇑</color>  |  <color white/green>OUI</color>  |  MTDO / HSPI_CS / SD_CMD  |  2_Ch3  |  Startup log si à 3.3V  |
|  16  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  RX2  |    |    |
|  17  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  TX2  |    |    |
|  18  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  VSPI_SCK  |    |    |
|  19  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  VSPI_MISO  |    |    |
|  21  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  SDA_0  |    |    |
|  22  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  SCL_0  |    |    |
|  23  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  VSPI_MOSI  |    |    |
|  25  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  DAC1  |  2_Ch8  |    |
|  26  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |  DAC2  |  2_Ch9  |    |
|  27  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |    |  2_Ch7  |    |
|  32  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |    |  1_Ch4  |    |
|  33  |  <color white/green>OUI</color>     |  <color white/green>OUI</color>  |    |  1_Ch4  |    |
|  34  |  <color white/green>OUI</color>     |  <color white/red>NON</color>    |    |  1_Ch6  |  Pas de pullup/pulldown interne  |
|  35  |  <color white/green>OUI</color>     |  <color white/red>NON</color>    |    |  1_Ch7  |  Pas de pullup/pulldown interne  |
|  36  |  <color white/green>OUI</color>     |  <color white/red>NON</color>    |  VP  |  1_Ch0  |  Pas de pullup/pulldown interne  |
|  39  |  <color white/green>OUI</color>     |  <color white/red>NON</color>    |  VN  |  1_Ch3  |  Pas de pullup/pulldown interne  |
|  EN  |  <color white/red>NON</color>       |  <color white/red>NON</color>  |    |    |  Relié au bouton EN (ESP32 Reset)  |

⇑ : Pull Up interne

⇓ : Pull Down interne

ALT : pin par défaut

[[https://www.upesy.fr/blogs/tutorials/esp32-pinout-reference-gpio-pins-ultimate-guide]]