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LilyGo logo

🌟LilyGo PCI-E Series ESP32 Version🌟

Overview

  • This page introduces the hardware parameters related to LilyGo PCI-E Series ESP32 Version

Product

Product SOC Flash PSRAM
T-PCIE Main board 4MB Version ESP32-WROVER-E 4MB(Quad-SPI) 8MB(Quad-SPI)
T-PCIE Main board 16MB Version ESP32-WROVER-E 16MB(Quad-SPI) 8MB(Quad-SPI)

PlatformIO Quick Start

  1. Install the CH9102 USB bridge driver for the first time.
  2. Install Visual Studio Code and Python
  3. Search for the PlatformIO plugin in the Visual Studio Code extension and install it.
  4. After the installation is complete, you need to restart Visual Studio Code
  5. After restarting Visual Studio Code, select File in the upper left corner of Visual Studio Code -> Open Folder -> select the LilyGo-Modem-Series directory
  6. Wait for the installation of third-party dependent libraries to complete
  7. Click on the platformio.ini file, and in the platformio column
  8. Cancel the ; symbol in front of the line default_envs = T-PCIE-XXXX and use T-PCIE-XXXX as the default environment, Name XXXX Please select according to the actual version
  9. Uncomment one of the lines src_dir = xxxx to ensure that only one line is valid. For example, to enable src_dir = examples/ATdebug, remove the leading ; symbol and save the file. The ATDebug example will now be compiled.
  10. Click the (✔) symbol in the lower left corner to compile
  11. Connect the board to the computer USB-C
  12. Click (→) to upload firmware
  13. Click (plug symbol) to monitor serial output
  14. If it cannot be written, or the USB device keeps flashing, please check the FAQ below

Arduino IDE quick start

  1. Install the CH9102 USB bridge driver for the first time.

  2. Install Arduino IDE

  3. Install Arduino ESP32

  4. Copy all folders in the lib directory to the Sketchbook location directory. How to find the location of your own libraries, please see here

    • Windows: C:\Users\{username}\Documents\Arduino
    • macOS: /Users/{username}/Documents/Arduino
    • Linux: /home/{username}/Arduino

  5. Open the corresponding example

    • Open the downloaded LilyGo-Modem-Series
    • Open examples
    • Select the sample file and open the file ending with ino

  6. On Arduino ISelect the corresponding board in the DE tool project and click on the corresponding option in the list below to select

    Name Value
    Board ESP32 Dev Module
    Port Your port
    CPU Frequency 240MHZ(WiFi/BT)
    Core Debug Level None
    Erase All Flash Before Sketch Upload Disable
    Events Run On Core1
    Flash Frequency 80MHZ
    Flash Mode QIO
    Flash Size 4MB(32Mb)
    JTAG Adapter Disabled
    Arduino Runs On Core1
    Partition Scheme Huge APP (3MB No OTA/1MB SPIFFS)
    PSRAM Enable
    Upload Speed 921600
    Programmer Esptool
    • Partition Scheme Please select according to the actual application. For example, select Huge APP (3MB No OTA/1MB SPIFFS) , For more partitioning schemes, please see here

  7. In the open sketch, select the utilities.h file and uncomment the line // #define LILYGO_T_PCIE_XXXX. Delete the // and save the file to use this board as the default configuration. Name XXXX Please select according to the actual version

    board_select

  8. Upload sketch

Important

  1. Unable to upload any code? Please see the FAQ below
  2. When opening the Arduino IDE, you will be prompted that there are new libraries that can be updated. Please do not click update. There is no guarantee that it can be compiled, run, etc. after the update. Make sure that the board is running normally before deciding whether to update. You have to Know that problems may occur after updating due to library differences, or the default configuration (such as TinyGSM) will be overwritten.
  3. If it runs abnormally after the update, please follow Article 4 of the Arduino Quick Start to delete the directory in libraries, and drag the folder in lib into the libraries directory again.

📍 Pins Map

Name GPIO NUM Free
Modem DC booster enable 25 ❌
Modem TX 27 ❌
Modem RX 26 ❌
Modem PWRKEY 4 ❌
Modem DTR 32 ❌
Modem RING 33 ❌
Board LED 12 ❌
PMIC IRQ 35 ❌
PMIC SDA 21 ✅️
PMIC SCL 22 ✅️
  • ESP32 models GPIO33 and above can only be set as input, not output
  • I2C pins are fixed and cannot be changed. They are already connected to the PMIC.

⚡ Electrical parameters

Features Details
🔗USB-C Input Voltage 5V
⚡USB-C Charge Max Current 1000mA
🔋Battery Voltage 3.7V
  • The charging current can be adjusted by PMIC, up to 1A

Button Description

Button Function
EN (Close to USB-C) Reset devices button
PWR Press and hold for 6 seconds to turn off the device, press and hold for 1 second to turn on the device
  • The above naming method is subject to the board silk screen printing

Antenna Description

Function
SIM/MAIN LTE Main antenna interface
GPS/GNSS GPS active antenna interface
  • The above naming method is subject to the board silk screen printing

LED Description

FUNCTION COLOR
MODEM STATUS RED (On the modem)
MODEM NETWORK STATE RED (On the modem)
CHARGE LED BLUE (Near the ON BOARD LED)
ON BOARD LED GREEN (Near the esp module)
  • Modem Status light and network status led cannot be turned off

Resource

SIM7000X Series

A7608X Series

SIM7670G Series

SIM7600X Series

SIM7080G Series

FAQ

  • If the above method still fails to upload the sketch, please follow the method below to test whether the USB2TTL communication is normal.

    1. Connect USB-C to PC
    2. Open the serial monitor and adjust the baud rate to 115200
    3. Press the RST button on the board to restart
    4. If you can see the startup information, it means that the USB2TTL communication is normal. If nothing is displayed in the serial monitor, it may be that the USB2TTL bridge is damaged

  • Upgrade modem firmware Please refer here

    1. T-SIM7000G Upgrade docs
    2. T-SIM7670G Upgrade docs
    3. T-A7670X Upgrade docs
    4. T-SIM7600X Upgrade docs
    5. T-SIM7080G Upgrade docs

  • Unable to detect SIMCard?

    1. Need to insert the SIMCard into the board first and then power on to detect the SIM card. If the order is reversed, it will report that the SIMCard cannot be detected.

  • Can't upload any sketch，Please enter the upload mode manually.

    1. Connect the board via the USB cable
    2. Use wires to connect GND and IO0 together
    3. Press RST button
    4. Release the RST button
    5. Disconnect IO0 from GND
    6. Upload sketch

  • What the onboard switch does

    1. When using the internal battery pack, the switch will work normally to power/power down the board. However, if an external battery pack is used and connected to the VBAT pin, the switch will be bypassed, meaning the only way to shut down is to disconnect the battery.
    2. The switch is only for battery power and has no effect when plugged into USB

  • About VBUS Pin

    1. VBUS Pin and USB-C are on the same line. Only when USB-C is connected, VBUS has voltage
    2. When only the battery is connected, VBUS has no voltage output
    3. If you want to connect an external power supply without connecting USB-C, VBUS Pin is the only voltage input pin. Please note that the maximum input of VBUS Pin is 5V, do not exceed 5V

  • Unable to put the modem into sleep mode*

    1. PCIE-Series must remove the VBUS inductor/resistor to put the modem into sleep mode