Product Summary
Heltec Meshtastic T114 V2 Tracker Nordic nRF52840 SX1262 LoRaWAN LoRa Arduino 1.14 Inch is a development board selected for building connected devices, firmware tests and rapid electronics prototypes. It is suitable for makers, embedded developers and IoT prototyping teams who need practical electronics hardware for reliable project work.
Best For
- building connected devices, firmware tests and rapid electronics prototypes
- Arduino, MicroPython, sensors, displays and expansion modules
- Electronics testing, repair, prototyping and maker workflows
FAQ
Who is this product for? It is intended for makers, embedded developers and IoT prototyping teams.
What should I check before buying? Review the product options, specifications, included accessories and compatibility details on this page.
Docs & Resource
Introduction and Operation Video of Mesh Node T114 Development Board
Why do we need Maker series products?
Low Power Chracteristics
Summary
The Mesh Node T114 features a dual-chip combination of nRF52840 and SX1262, simultaneously
supporting both LoRa and Bluetooth communication, with optional GPS and display modules; it achieves
flexible power management via USB, lithium battery, and solar panel interfaces, and exhibits superior
low-power characteristics compared to the Heltec V3; its six-layer PCB architecture and optimized RF
circuit design make it especially suitable and durable for LoRa/LoRaWAN applications such as device
tracking and remote monitoring systems; and finally, the T114 enables development through environment
like Arduino and PlatformIO, offering full compatibility with well-known open-source projects like
Meshtastic and MeshCore
Main 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.
Powerful display function, onboard 1.9-inch TFT-LCD display contains 170 (RGB)X320 dots and can display up to 262k colors.
Operation condition: -20 - 70 deg C, 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.
Docs & Resource
·[Resource] -https://github.com/HelTecAutomation/Heltec_nRF52
·[Attachment] -https://platform.snapemu.com/user/login
·[Attachment] - https://resource.heltec.download/Mesh_Node_T114/MeshNode-
T114_V2.0_SCH(2).pdf
·[Attachment] - https://resource.heltec.download/Mesh_Node_T114/Datasheet.pdf
·[Attachment] - https://resource.heltec.download/Mesh_Node_T114/1.14inch%20LH114T-
IF03%20VER%20C.pdf
·[Resource] - https://resource.heltec.download/Mesh_Node_T114
Pin Map
Dimension
Specifications
Parameters |
Description |
MCU |
nRF52840 |
LoRa Node Chip |
SX1262 |
Frequency |
470-510MHz,; |
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 |
Interface |
Type-C USB |
Battery |
3-4.2V battery power supply and charge. |
Operating Temperature |
-20 - 70 deg C |
Dimensions |
50.80*22.86mm |
Low Power Consumption in Deep Sleep |
11uA |
Display |
onboard 1.14 inch TFT-LCD display |
Parking List
