T7 (Mini32) Quick Start

Arduino

PlatformIO (Recommended)

1. Install VS Code with the PlatformIO IDE extension
2. Clone the repository:

   git clone https://github.com/LilyGO/TTGO-T7-Demo.git

3. Open the project and select your environment in platformio.ini
4. Click ✓ to build, connect via USB, then click → to upload

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Arduino IDE

Board Settings

Setting	Value
Board	ESP32 Wrover Module
Upload Speed	921600
Flash Mode	QIO
Flash Size	4MB (32Mb)
Partition Scheme	Default 4MB with spiffs
PSRAM	Enabled

Steps

1. Install Arduino IDE and add ESP32 board support: https://espressif.github.io/arduino-esp32/package_esp32_index.json
2. Clone the TTGO-T7-Demo repo and open an example sketch
3. Select ESP32 Wrover Module and the settings above, then click Upload

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Peripheral Examples

Wi-Fi (Station Mode)

#include <WiFi.h>

void setup() {
  Serial.begin(115200);
  WiFi.begin("your-ssid", "your-password");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500); Serial.print(".");
  }
  Serial.println("\nConnected: " + WiFi.localIP().toString());
}

void loop() { delay(1000); }

PSRAM Usage

void setup() {
  Serial.begin(115200);
  if (psramFound()) {
    Serial.printf("PSRAM: %u bytes free\n", ESP.getFreePsram());
    uint8_t *buf = (uint8_t *)ps_malloc(1024 * 1024); // 1 MB from PSRAM
    if (buf) { Serial.println("PSRAM alloc OK"); free(buf); }
  } else {
    Serial.println("No PSRAM found");
  }
}

void loop() {}

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Notes

• USB: CH9102 USB-to-serial; install the CH9102 driver if the port is not detected
• PSRAM: 8 MB PSRAM — select Enabled in board settings and use ESP32 Wrover Module (not ESP32 Dev Module) to expose PSRAM APIs
• STEMMA QT / Qwiic: JST-SH I2C connector for plug-and-play sensor expansion
• Battery: Li-Po battery charging supported via onboard charging circuit
• MicroPython: Supported — flash MicroPython firmware via esptool if preferred over Arduino

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FAQ

Q: PSRAM not detected? A: Use board ESP32 Wrover Module (not ESP32 Dev Module) — the Wrover definition enables PSRAM support.

Q: Port not found? A: Install the CH9102 USB driver and reconnect.