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Heltec V3 Screen-less WiFi LoRa 32(V3) Meshtastic Lora Node & jst1.25 915MHz
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Heltec V3 Screen-less WiFi LoRa 32(V3) Meshtastic Lora Node & jst1.25 915MHz, this unit is without the screen and is for low-profile builds. No antenna.
Main Features
- Microprocessor: ESP32-S3FN8 (Xtensa® 32-bit LX7 dual-core processor, five-stage pipeline rack Structure, frequency up to 240 MHz).
- SX1262 LoRa node chip.
- Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures.
- Onboard SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching).
- Onboard 0.96-inch 128*64 dot matrix OLED display can be used to display debugging information, battery power, and other information.
- Integrated WiFi, LoRa, Bluetooth three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal spring antenna, reserved IPEX (U.FL) interface for LoRa use.
- Integrated CP2102 USB to serial port chip, convenient for program downloading, and debugging information printing.
- Support the Arduino development environment.
- With good RF circuit design and low-power design.
Specifications
| Parameters | Description |
|---|---|
| Master Chip | ESP32-S3FN8 (Xtensa®32-bit lx7 dual core processor) |
| LoRa Node Chip | SX1262 |
| USB to Serial Chip | CP2102 |
| Frequency | 470~510MHz, 863~928MHz |
| Max. TX Power | 21±1dBm |
| Max. Receiving sensitivity | -134dBm@SF12 BW=125KHz |
| Wi-Fi | 802.11 b/g/n, up to 150Mbps |
| Bluetooth | Bluetooth 5 (LE) |
| Hardware Resource | 7*ADC1 + 2*ADC2; 7*Touch; 3*UART; 2*I2C; 2*SPI; etc. |
| Memory | 384KB ROM; 512KB SRAM; 16KB RTC SRAM; 8MB SiP Flash |
| Interface | Type-C USB; 2*1.25 lithium battery interface; LoRa ANT(IPEX1.0); 2*18*2.54 Header Pin |
| Battery | 3.7V lithium battery power supply and charging |
| Operating Temperature | -20 ~ 70 ℃ |
| Dimensions | 50.2 * 25.5* 10.2 mm |
Description
Pin Map
| Weight | 8.0 oz |
|---|---|
| Dimensions | 0.0 × 0.0 × 0.0 in |
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