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description
Heltec Wireless Stick Lite(V3) 902-928 MhzHTIT WSL is a development board for Wi Fi, Bluetooth and LoRa. Because some customers do not need OLED screen when using WiFi Lora32, Heltec launched this product. The HTIT WSL is composed of an MCU (ESP32 S3FN8) and Semtech LoRa Transceivers (SX1262), which perfectly support Arduino. Users can easily carry out secondary development and application. This supports Arduino and can run the LoRaWAN protocol stably. Main Features LoRa band 902 928 Mhz
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product description
Why choose thelockerguy wholesale?
HTIT-WSL is a development board for Wi-Fi, Bluetooth and LoRa. Because some customers do not need OLED screen when using WiFi Lora32, Heltec launched this product.
The HTIT-WSL is composed of an MCU (ESP32-S3FN8) and Semtech LoRa Transceivers (SX1262), which perfectly support Arduino®. Users can easily carry out secondary development and application. This supports Arduino® and can run the LoRaWAN protocol stably.
Main Features
- LoRa band 902-928 Mhz
- Microprocessor: ESP32-S3FN8 (Xtensa® 32-bit LX7 dual core processor, five stage pipeline rack Structure, main frequency up to 240MHz).
- SX1262 LoRa node chip.
- Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection
- 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).
- Integrated WiFi, LoRa, Bluetooth three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal spring antenna, reserved IPEX (U.FL) interface for LoRa
- Integrated CP2102 USB to serial port chip, convenient for program downloading, debugging information printing.
- Support the Arduino development environment;
- With good RF circuit design and basic low-power design (sleep current ≤800uA), it is convenient for IoT application vendors to quickly verify solutions and deploy applications;
Specifications
| Parameters | Description |
|---|---|
| Master Chip | ESP32-S3FN8 (Xtensa®32-bit lx7 dual core processor) |
| LoRa Chipset | SX1262 |
| USB to Serial Chip | CP2102 |
| Frequency | 863~928MHz |
| Max. TX Power | 21d B ± 1d B |
| Max. Receiving sensitivity | -134dBm |
| Wi-Fi | 802.11 b/g/n, up to 150Mbps |
| Bluetooth LE | Bluetooth 5, Bluetooth mesh |
| Hardware Resource | 7*ADC1 + 9*ADC2; 8*Touch; 3*UART; 2*I2C; 2*SPI; etc. |
| Memory | 384KB ROM; 512KB SRAM; 16KB RTC SRAM; 8MB SiP Flash |
| Operating temperature | -20 ~ 70 ℃ |
| Dimensions | 58.08 * 22.6* 8.2 mm |
| Interface | Type-C USB; 2*1.25 lithium battery interface; LoRa ANT(IPEX1.0); 2.4G ANT(IPEX1.0); 2*20*2.54 Header Pin |
Pin Map
Product Inclusion
- x1 - Heltec Wireless Stick Lite(V3) Pre-flashed with Meshtastic
- x1 - LoRa Antenna
- x1 - SH1.25×2 Battery Connector
- x2 - Pin Headers
Compared to Wireless Stick Lite (V2), V3 has made the following upgrades:
| Item | Wireless Stick Lite (V2) | Wireless Stick Lite (V3) |
|---|---|---|
| MCU | ESP32-D0 | ESP32-S3 |
| LoRa Node Chip | SX1276 | SX1262 |
| USB Socket | Micro USB | USB Type C |
| Crystal Oscillator | Ordinary crystal oscillator | High precision temperature compensated crystal oscillator |
| Low Power Features in Deep Sleep | 30uA | <10uA |
| Other Update | Better impedance matching of RF circuits. |
Documentation & Resources
- [Resource] — Heltec ESP(ESP32&ESP8266) framework
- [Resource] — Hardware Update Logs
- [Attachment] — Pin Map
- [Resource] — Downloadable Resources
RAK LILYGO Heltec & Developer Board Warranty Policy – Rokland
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.
Sales tax is required in many states and will be added at checkout if applicable to your delivery state. Tax exempt forms can be sent to our support department.
Heltec Wireless Stick Lite(V3) 902-928 Mhz
Item no
:
32437864070
US$ 24.97
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Min. order:
1piece
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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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