Advanced LoRaWAN Wireless Development Board with SX1262 and NRF52840 Chipset (433-510mhz Screen)

📶 Overview: The Heltec T114 for Meshtastic is an advanced mesh core development board designed for seamless communication via LoRaWAN technology. This board leverages the power of the nRF52840 microcontroller and the SX1262 LoRa chip, operating at various frequencies conducive to different applications. It is ideal for developers aiming to create efficient wireless communication solutions with robust connectivity options.

🔧 Key Features:

• High Performance: With excellent functionalities and easy-to-use operations, the T114 offers remarkable performance in various applications.
• Microcontroller & Chip: Incorporates the nRF52840 MCU for Bluetooth connectivity and the SX1262 LoRa chip for efficient long-range communication.
• Power Efficiency: Designed for low power consumption, featuring a deep sleep mode drawing just 11 μA, which makes it suitable for battery-operated applications.
• Display Capabilities: Includes an optional powerful 1.14-inch TFT-LCD display, allowing for real-time data visualization and feedback with a resolution of 135 (H) x 240 (V), displaying 262K colors.
• Extensive Connectivity: Features a variety of interfaces, including two 1.25mm LiPo connectors, two 1.25mm solar panel connectors, and an impressive 7.8 x 1.25mm GNSS module connector, enhancing the board's expandability and versatility.

⚡ Product Description: The Mesh Node T114 is a state-of-the-art development platform that excels in LoRa/LoRaWAN design and Bluetooth 5.0 connectivity. Its integrated power options—including USB, lithium battery, and solar panel ports—ensure flexibility in power management and deployment. The optional TFT display and GPS module further extend its functionality, allowing developers to implement powerful remote communication features. Built for scalability and low-power use, the T114 is a perfect choice for innovative projects, including open source initiatives like Meshtastic.

Technical Specifications:

• Microcontroller: nRF52840
• LoRa Chip: SX1262
• Operating Frequencies: 433-510 MHz; 863-928 MHz (optional)
• Maximum TX Power: 21 ± 1 dBm
• Sensitivity: -135 dBm @ SF12 BW=125KHz
• Bluetooth Technology: Bluetooth 5 and Bluetooth Mesh
• Hardware Interfaces: Includes USB 2.0, multiple SPI, TWI, UART ports, and more, providing extensive options for integration with other devices.
• Storage: 1MB ROM, 256KB SRAM
• Power Supply: Utilizes a 3-4.2V battery (not included)
• Operating Temperature: Ranges from -20°C to 70°C
• Dimensions: 50.80 x 22.86 mm

⚡ Electrical Characteristics:

• Deep Sleep Mode: ~11 μA
• Tracker Mode Sleep: ~22 μA
• Power Consumption (GPS off, TFT off): ~9 mA
• Power Consumption (GPS off, TFT on): ~20 mA
• Power Consumption (GPS on, TFT on): ~51 mA

🛠️ GPS Module Description: The optional L76K GNSS module supports multiple satellite systems, including GPS, BDS, GLONASS, and QZSS, ensuring accurate positioning in diverse environments. With enhanced satellite visibility, the module allows for high-precision tracking even in complex urban areas. Its AGNSS functionality significantly accelerates the initial positioning setup, while integrated protection and noise-filtering features elevate performance, making it a reliable choice for various applications.

📦 Packages Available:

• Package 1: Includes 1 development board, 2 needle arrangements, 2 terminal wires, and 1 antenna
• Package 2: Comprises 1 development board, 1 shell, and 1 antenna
• Package 3: Contains 1 GPS module