Heltec Mesh Node T114 Repair

The Heltec Mesh Node T114 is a development board that employs the nRF52840 and SX1262 processors. It supports LoRa communication and Bluetooth 5.0, and provides a variety of power interfaces, including 5V USB, lithium battery, and solar panel connections. Optional accessories include a 1.14-inch TFT display and a GPS module.

• MCU: nRF52840 (Bluetooth)
• LoRa Transceiver: Semtech SX1262

• Port: USB-C
• Buttons: 2

• Capabilities:
  • WiFi
  • LoRa/LoRaWAN
  • Bluetooth
• Antenna:
  • 10cm U.FL to SMA Pigtail Cable
  • U.FL/IPEX antenna connector for LoRa
• Frequency Options:
  • 433 MHz
  • 470 - 510 MHz
  • 863 - 870 MHz
  • 902 - 928 MHz

• Type: TFT-LCD
• Size: 1.14" (2.9 cm)
• Resolution: 135 x 240
• Colors: 262k

• Battery Type: Li-ion pol
• Amp-Hours: 2000 mAh
• Battery Interface: 2 x 1.25 mm LiPo Connector
• Low Power in Deep Sleep: 11uA
• Additional Power Interfaces:
  • 2 x 1.25 mm Solar Panel Connectors
  • 8 x 1.25mm GNSS module connector

• Weight: 3 oz (85 g)
• Length: 2.86 in (72.7 mm)
• Width: 2 in (50.9 mm)
• Antenna Length: 6.7 in (17 cm)
• Depth: 0.78 in (19.7 mm)

• Heltec Mesh Node T114 V2 Board
• 10cm U.FL to SMA Pigtail Cable
• Universal 868 or 915 MHz Whip Antenna
• Heltec GPS Module
• 803160 2000mAh Rechargeable Battery

• Operating Temprature: -4 °F to 158 °F (-20 °C to 70 °C)
• Humidity: 90% RH (No Condensing)

• Official Heltic Mesh Node T114 Kit
• Official Printable H2T Case
• Official Preassembled Heltic Mesh Node T114
• Compatible Arduino Development Frameworks and Libraries
• Mestastic Wiki Entery on Heltech T114