868/915MHz Heltec Mesh Node T114 LoRa Board SX1262 nRF52840 für Meshtastic LoRaW
Feature: -MCU nRF52840 (Blue tooth), 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. -Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures. -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. Specification: Frequency: 863~928MHz Max. TX Power: 21±1dBm Max. Receiving sensitivity: -135dBm@SF12 BW=125KHz Blue tooth: Blue tooth 5 (LE) Hardware Resource: USB 2.0, 4 * SPI, 2 * TWI, 2 * UART, 4 * PWM, QPSI, 12S, PDM, QDEC Etc.
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