Heltec Mesh Node T114 nRF52840 MCU + SX1262 LoRa 868MHz + GPS + 1.14inch TFT LCD Wireless Module Development Board With Enclosure

Heltec Mesh Node T114 nRF52840 MCU + SX1262 LoRa 868MHz + GPS + 1.14inch TFT LCD Wireless Module Development Board With Enclosure

Mesh Node T114 is a Low Power Consumption development board based on nRF52840 and SX1262, supports LoRa and Bluetooth 5.0 . which integrated various power interfaces (5V USB, lithium battery and solar panel) with 1.14 inch TFT display and GPS module as accessories, and has powerful long-distance communication capabilities, scalability, and low power design.

With Heltec nRF52 development environment and libraries. you can use it for LoRa/LoRaWAN development work, and also use it to run some open source projects, such as Meshtastic.

Resource

• User Manual
• Datasheet
• LCD Datasheet
• Schematic Diagram
  

Features

• MCU nRF52840 (Bluetooth), LoRa chipset SX1262.
• Powerful display function (optional), onboard 1.14 inch TFT-LCD display contains 135(H)RGB x240(V) dots and can display up to 262k colors.
• Low power consumption, 11 uA in deep sleep.
• Operation condition: -20 ~ 70℃, 90%RH(No condensing).
• Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures.
• Compatible with Arduino, we provide development frameworks and libraries.
• Various Interfaces: 1.25*2P LiPo connector, 1.25*2P Solar panel connector, 1.25*8P GNSS module connector, which greatly increase the extensibility of the board.

Specifications

• MCU: nRF52840
• LoRa Node Chip: SX1262
  
• Frequency: 863~870MHz
• Display: onboard 1.14 inch TFT-LCD display
• Max. TX Power: 21±1dBm
• Max. Receiving sensitivity: -135dBm@SF12 BW=125KHz
• Bluetooth: Bluetooth LE: Bluetooth 5, Bluetooth mesh
• Hardware Resource: USB 2.0, 4 * SPI, 2 * TWI, 2 * UART, 4 * PWM, QPSI, 12S, PDM, QDEC Etc.
• Memory: 1M ROM & 256KB SRAM
• Battery: 3~4.2V battery power supply and charge.
• Operating Temperature: -20 ~ 70 ℃
• Dimensions: 50.80*22.86mm
• Interface
• Type-C USB
• 2*1.25 lithium battery connector
• 2*1.25 solar panel connector
• LoRa ANT (IPEX1.0)
• 8*1.25 GPS module connector
• 2*13*2.54 Header Pin
• Electrical characteristics
• Deep Sleep: ~11uA
• Tracker mode sleep: ~22uA
• GPS OFF, TFT OFF: ~9mA
• GPS OFF, TFT ON: ~20mA
• GPS ON, TFT ON: ~51mA

Package Includes

• 1x Mesh Node T114
• 1x LoRa Antenna
• 2x SH1.25×2 Battery Connector
• 2x 2.54 *13 Header Pin
• 1x GPS Module
• 1x Protect Shell (Enclosure) and Transfer LoRa antenna

What's Onboard

Pin MapDimensions