Wio Tracker L2 Introduction
The Wio Tracker L2 Series is a highly extensible Meshtastic® node featuring LoRa (862–930 MHz), the ESP32S3 for efficient processing, and an L76K GPS module for accurate location tracking. Designed for flexibility, it supports QSPI touch screen, E-Ink displays, TF Card, as well as solar panels and battery power, making it ideal for a wide range of IoT and off-grid applications.
Features
-
3.2'' High-Quality Touchscreen: Featuring a 320×240 high-clarity display with switchable MUI and Base UI, it delivers smooth on-device interaction for messaging, mapping, and control—without a mobile phone.
-
ESP32S3 Powered, Ready to Build On: Powered by the dual-core ESP32-S3 with Wi-Fi and Bluetooth LE, L2 Pro provides a flexible platform for UI customization, feature development, and open-source applications.
-
Offline Maps with GNSS Positioning: Pre-download offline maps to a MicroSD card and view your real-time GNSS location directly on the device, even without cellular coverage or internet access.
-
3000mAh Long-Lasting Battery: Supports extended daily use with reduced charging frequency; operates within -10°C to 55°C conditions.
-
Easy to Carry, Flexible Placement: A foldable antenna improves portability, and the 1/4" mounting interface supports flexible placement with compatible accessories.
Specification
| Item | Parameter |
|---|---|
| Processor | Wio-S3 (ESP32S3 + SX1262 Module) |
| LoRa | 863-928 MHz MAX TX Power: 20dBm@US915,14dBm@EU868 |
| GNSS | L76K (GPS, BeiDou, GLONASS, QZSS) |
| On-chip Memory | 16MB Flash / 8MB PSRAM |
| Antenna | LoRa: |
| Wifi/BLE 5.0: FPC antenna | |
| GPS: ceramic antenna | |
| Interface | Grove *1: |
| MicroSD Card Slot | |
| Quarter-inch threaded hole | |
| QSPI Interface | Compatible for IPS Screen & E-INK Screen |
| Power Input | USB Type-C: 5V — 1A |
| Solar:JST-PH 2P-2.0mm, 5V ~ 13V | |
| Li-ion Battery (2P-1.25mm): 3.7V | |
| IPS Touch Screen | Size: 3.2 inch |
| Resolution: 240 × 320 pixels | |
| LED | Mesh LED * 1 Charging LED * 1 |
| Button | WAKE-UP * 1 User/Boot * 1 RST * 1 Power Switch * 1 |
| Audio | I2S Codec: ES8311 |
| MIC: Pin Reserved | |
| Speaker: 6Ω 0.8W | |
| Communication Distance | Up to 5.8 km |
| Dimension | |
| Device Weight | |
| Operation Temperature | -10℃ to +55℃ |
| Certification | FCC,CE,RoHS,Telec |
Battery
| Item | Parameter |
|---|---|
| Battery Capacity | Rechargeable Li-ion battery, 3000mAh |
| Battery Life Monitoring | Periodic uplink battery level |
| Charging Protocol | USB Type-C |
| Device Power Input | 5V, 1A |
| Fully-charged cut-off voltage | 4.2V |
| Charging Temperature Limit | 0 to +45℃ |
Pin List
| Component | Pin | Pin No. | Protocol |
|---|---|---|---|
| Display | QSPI_CLK | GPIO42 | QSPI |
| QSPI_DAT0 | GPIO41 | ||
| QSPI_DAT1 | GPIO40 | ||
| QSPI_DAT2 | GPIO39 | ||
| QSPI_DAT3 | GPIO38 | ||
| QSPI_CS | GPIO46 | ||
| LCD_EN | EXP_P05 | GPIO | |
| QSPLRST | EXP_P06 | ||
| QSPLTE | NC | NC | |
| E-INK | E_INK_SCK | GPIO42 | SPI |
| E_INK_MOSI | GPIO41 | ||
| E_INK_CS | GPIO40 | ||
| E_INK_DC | GPIO39 | GPIO | |
| E_INK_BUSY | GPIO38 | ||
| IIC | IIC0_SCL | GPIO48 | IIC |
| IIC0_SDA | GPIO47 | ||
| LoRa | LoRa_CS | GPIO21 | SPI |
| LoRa_SCK | GPIO4 | ||
| LoRa_MISO | GPIO5 | ||
| LoRa_MOSI | GPIO6 | ||
| LoRa_RST | GPIO7 | GPIO | |
| LoRa_BUSY | GPIO8 | ||
| LoRa_DIO1 | GPIO9 | ||
| Grove | GROVE_DAT_1 | GPIO14 | GPIO |
| GROVE_DAT_2 | GPIO13 | ||
| GROVE_EN | EXP_P07 | ||
| GNSS | GNSS_RX | GPIO18 | UART |
| GNSS_TX | GPIO17 | ||
| GNSS_EN | EXP_P15 | GPIO | |
| GNSS_RST | EXP_P11 | ||
| I2S | CODEC_I2S0_MCLK | GPIO10 | I2S |
| CODEC_I2S0_LRCK | GPIO12 | ||
| CODEC_I2S0_SCLK | GPIO11 | ||
| CODEC_I2S0_DSDIN | GPIO16 | ||
| CODEC_I2S0_SDOUT | GPIO15 | ||
| SD | SD_CMD | GPIO03 | SD |
| SD_CLK | GPIO02 | ||
| SD_DAT0 | GPIO01 | ||
| SD_DET | EXP_P02 | GPIO | |
| USB | USB_N | GPIO19 | USB |
| USB_P | GPIO20 | ||
| LED | MESH LED | GPIO43 | GPIO |
| USER_LED | EXP_P12 | ||
| Button | WAKEUP_BUTTON | EXP_P00 | GPIO |
Hardware Overview
Wio Tracker L2 Pro
.png)
.png)
Schematic Diagram
.png)