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home > Heltec Mesh Node T114 with optional 1.14 inch TFT display (v2 version 2) > Heltec Mesh Node T114 with optional 1.14 inch TFT display (v2 version 2)

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Heltec Mesh Node T114 with optional 1.14 inch TFT display (v2 version 2)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

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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

MCU	nRF52840
LoRa Node Chip	SX1262
Frequency	470~510MHz; 863~870MHz; 902~928MHZ.
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
Interface	Type-C USB 21.25 lithium battery connector 21.25 solar panel connector LoRa ANT (IPEX1.0) 81.25 GPS module connector 213*2.54 Header Pin
Battery	3~4.2V battery power supply and charge.
Operating Temperature	-20 ~ 70 ℃
Dimensions	50.80*22.86mm
Electrical characteristics	Deep Sleep: ~11uA Tracker mode sleep: ~22uA GPS OFF, TFT OFF: ~9mA GPS OFF, TFT ON: ~20mA GPS ON, TFT ON: ~51mA
Display	onboard 1.14 inch TFT-LCD display

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.

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Heltec Mesh Node T114 with optional 1.14 inch TFT display (v2 version 2)

Name: Heltec Mesh Node T114 with optional 1.14 inch TFT display (v2 version 2)
Brand: okunadegoodman.com
SKU: 7900572170
Price: 32.95 USD
Availability: InStock
Rating: 4.4581 (317 reviews)