13.3-inch full-colour E Ink Spectra 6 ePaper terminal (1200x1600) powered by an ESP32-S3 with 8 MB PSRAM and 32 MB flash, in a metal enclosure with a 5000 mAh battery, temperature/humidity sensor, buzzer, PCF8563 RTC, microSD slot (16 GB card included) and a 2x4 expansion header…
ESP_IO40 / I2C1 clock
ESP_IO39 / I2C1 data
Ground reference
3.3 V supply for external devices
ESP_IO6 / GPIO with analog input
Ground reference
ESP_IO41 / UART1 transmit
ESP_IO42 / UART1 receive
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| I2C1_SCL (pin 1) | i2c | ESP_IO40 / I2C1 clock | 3.3 V | |
| I2C1_SDA (pin 2) | i2c | ESP_IO39 / I2C1 data | 3.3 V | |
| GND (pin 3) | ground | Ground reference | ||
| 3V3 (pin 4) | power | 3.3 V supply for external devices | 3.3 V | |
| ADC (pin 5) | adc | ESP_IO6 / GPIO with analog input | 3.3 V | |
| GND (pin 6) | ground | Ground reference | ||
| TX1 (pin 7) | uart | ESP_IO41 / UART1 transmit | 3.3 V | |
| RX1 (pin 8) | uart | ESP_IO42 / UART1 receive | 3.3 V |
USB · 3.3 V
Confirm the data interface matches your host board.
Module pins: 3V3 (pin 4), GND (pin 3), GND (pin 6), I2C1_SCL (pin 1), I2C1_SDA (pin 2), TX1 (pin 7), RX1 (pin 8). Schematik maps them to your board in the app.
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