Heltec T114 v2, updated December 2024.
Mesh Node T114 is a Low Power Consumption development board based on nRF52840 and SX1262, supports LoRa and Bluetooth 5.0 with integrated various power interfaces (5V USB, lithium battery and solar panel) optional 1.14 inch TFT display, and has powerful long-distance communication capabilities, scalability, and low power design.
Non-GPS version with Meshtastic firmware. GPS version available soon.
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.
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.
- 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
Pin Map
Product Inclusion
| Mesh Node T114 | x1 |
| LoRa Antenna | x1 |
| SH1.25×2 Battery Connector | x2 |
| 2.54 *13 Header Pin | x2 |
| L76K GNSS (Available when GPS selected) | x1 |
| Protect Shell and Transfer LoRa antenna (Available when Shell selected) | x1 |
Docs & Resource
- [Docs] — User Manual
- [Resource] —Heltec nRF52 framework and Lib
- [Resource] —SnapEmu IoT Platform
- [Attachment] — Schematic diagram
- [Attachment] — Datasheet
- [Attachment] — TFT-LCD Datasheet
- [Resource] — Related Resources
Dev board return policy
Development boards are specialty items that generally cannot be resold on return, especially if the firmware has been flashed. Defective boards can be replaced or returned for refund within 30 days of purchase. Non-defective boards can be returned in the same time frame if in like-new condition with a 20 percent restocking fee applied. If the board has had altered firmware or became bricked due to a non-standard firmware flash, the board may not be eligible for return.
Sales tax is required in many states and will be added at checkout if applicable to your delivery state. Tax exempt forms can be sent to our support department.
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