+----------------------------------------------------------------------------------------------------------------+
|  TTGO LoRa32 V1 (T3)  ---  ttgo-lora32                                                                         |
+----------------------------------------------------------------------------------------------------------------+
|  Rails: 5V, 3V3, GND                                                                                           |
|                                                                                                                |
|  lora  [Semtech SX1276/SX1278 LoRa radio (SPI)]  -- LoRa Radio                                                 |
|    VCC   -> rail 3V3                                                                                           |
|    GND   -> rail GND                                                                                           |
|    SCK   -> spi0 (GPIO5)                                                                                       |
|    MISO  -> spi0 (GPIO19)                                                                                      |
|    MOSI  -> spi0 (GPIO27)                                                                                      |
|    CS    -> GPIO18                                                                                             |
|    RST   -> GPIO23                                                                                             |
|    DIO0  -> GPIO26                                                                                             |
|                                                                                                                |
|  screen  [SSD1306 / SH1106 OLED display (I2C)]  -- TTGO OLED                                                   |
|    VCC   -> rail 3V3                                                                                           |
|    GND   -> rail GND                                                                                           |
|    SDA   -> i2c0 (GPIO21)                                                                                      |
|    SCL   -> i2c0 (GPIO22)                                                                                      |
|                                                                                                                |
|  Passives:                                                                                                     |
|    c1: 10uF capacitor, lora.VCC  <->  GND   (bulk decoupling LoRa TX bursts)                                   |
|    c2: 100nF capacitor, screen.VCC  <->  GND   (decoupling oled)                                               |
|                                                                                                                |
|  BOM:                                                                                                          |
|    - TTGO LoRa32 V1 (T3)                                                                                       |
|    - Semtech SX1276/SX1278 LoRa radio (SPI)  (lora)                                                            |
|    - SSD1306 / SH1106 OLED display (I2C)  (screen)                                                             |
|    - 1x 10uF capacitor                                                                                         |
|    - 1x 100nF capacitor                                                                                        |
|                                                                                                                |
|  Power: ~20mA typical, ~150mA peak (budget 500mA)  OK                                                          |
|                                                                                                                |
|  Warnings:                                                                                                     |
|    [info] battery_adc_in_extras: Battery ADC sensor + wifi_signal sensor + font + send-packet template button  |
|                                  live in esphome_extras.                                                       |
|    [warn] regional_frequency: Frequency 915MHz is legal in US/AU/SG; EU should use 868MHz, JP 923MHz. Verify   |
|                               before deploying.                                                                |
+----------------------------------------------------------------------------------------------------------------+
