Heltec T114

Name: Heltec T114
Brand: Heltec Automation
Price: 18 USD

In flasher Active

Compact nRF52840 + SX1262 development board for Meshtastic/MeshCore and LoRaWAN. Optional 1.14-inch TFT display and L76K GNSS module, dual battery and solar connectors, IPEX-1 LoRa antenna, and USB-C. No built-in battery.

~$18 approx (2026-06)

Product page ↗ Datasheet ↗

References: mesh-sn.de ↗

MCU: nRF52840
Radio: SX1262
Display: 1.14″ LCD / TFT
GPS: Quectel L76K
Battery: External
Connectivity: USB, BLE

Roles

CompanionRepeaterRoom serverStandalone UI

Transports

bleusb

Hardware

Radio

Technology: LORA
Chip: Semtech SX1262 ↗
Band: EU433 / CN433 CN470 EU868 US915 / AU915
TX power: 21 dBm
TX efficiency: 1.48 mW/mA
Antenna: IPEX-1.0

Processor

Family: Nordic nRF52 series ↗
Model: Nordic nRF52840 ↗
Architecture: ARM Cortex-M4
Flash: 1 MB
RAM: 256 KB

Display

Type: LCD / TFT
Controller: LH114T-IF03
Size: 1.14″
Resolution: 135 × 240
Colors: Color
Touch: No

Input

Button: user button

GNSS

Chip: Quectel L76K ↗

Battery

Battery: External connector
Built-in: No
Charging: Yes
Connector: SH1.25-2P

Power

Power draw (idle): 11 mA
Power draw (TX): 85 mA

Solar

Solar charging: Supported

Expansion

Port 1: Header 2.54 ×2 · 13 pins
Port 2: Connector · 8 pins (GNSS)

Physical

LEDs: Status LEDs
Dimensions: 53 × 29 × 8 mm
Board area: 15.4 cm²
Board volume: 12.3 cm³
Weight: 10 g
Operating temp: -20 to 70 °C

Connectivity

USB: USB-C
USB modes: Power, Serial, Flashing
Bluetooth: BLE 5.0
Wi-Fi: None

Details

Kind: Product
Lifecycle: Active
Family: heltec-t114
Firmware support: 6
Catalog completeness: 92 %
Also known as: Heltec Mesh Node T114 V2, Mesh Node T114, Heltec Mesh Node T114, HT-n5262

Firmware support

Firmware	Type	Target	Status
MeshCore (Reference)	Reference	heltec_t114	✓ Supported
EasySkyMesh	Fork	—	✓ Supported
ZephCore	Custom	—	✓ Supported
LusoFW	Fork	heltec_t114	✓ Supported
MeshCoreNG	Fork	heltec_t114	✓ Supported
MeshCore-Evo	Fork	—	✓ Supported