About this item 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. Show more Product Description Summary WiFi LoRa 32 is a classic IoT dev-board designed & produced by Heltec Automation. Since its launch in 2017, it has been loved by developers and makers. The newly launched V3 version has the same pin sequence as the V2 version and retains Wi-Fi, BLE, LoRa, OLED display, and other functions. It is the best option for smart cities, farms, homes, industrial control, house security, wireless meter reading, and IoT developers. Compared to WiFi LoRa 32 V2, V3 has made the following upgrades: 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 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 -136dBm@SF12 BW=125KHz WiFi 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; 2*18*2.54 Header Pin Battery 3.7V lithium battery power supply and charging Operating temperature -20~70℃ Dimensions 50.2 * 25.5 * 10.2mm Hardware Resources High light USB Type C The power supply, firmware download, and debugging interfaces adopt a more universal USB Type C interface, making development work more convenient. Plastic Shell We also made a plastic shell as an optional accessory. Which provide basic protection for the development board. Onboard OLED Display The integrated OLED display can be used to show some information such as system status and parameters, making it convenient for users to directly use the entire development board for their own product design. WiFi LoRa 32 V3 Size FAQ Can the onboard 2.4GHz antenna be replaced? The 2.4GHz antenna is a spring antenna, and there is no additional interface on the board for 2.4GHz wireless signals. Can ESP32’s WiFi and Bluetooth be used at the same time? No, the WiFi LoRa 32 don’t have an external PSRAM, if your application need use Bluetooth and Wi-Fi at the same time, you can look into this product: Heltec Wireless Bridge. What development methods does it support? Arduino Micro Python Platform.io Espressif IDE We strongly recommend using Arduino. We have complete technical support and provide complete LoRaWAN code for ESP32 Arduino framework. Can I order a version without the OLED display? Of course, you can contact our sales staff and provide your ideas. Is V2 code compatible with V3? No, the MCU is different. WiFi LoRa 32 V3 Pin Map Packing list The default packing list without selecting any accessories is as follows: WiFi LoRa 32 V3 * 1 LoRa Antenna * 1 SH1.25×2 Battery Connector * 1 2.54*18 Header Pin * 2 Heltec WiFi LoRa 32 V3 Heltec Vision Master E213 Heltec Vision Master E290 Heltec Vision Master T190 Heltec Wireless Paper Add to Cart Add to Cart Buying Options Add to Cart Add to Cart Customer Reviews 5.0 out of 5 stars 1 — 5.0 out of 5 stars 1 — 5.0 out of 5 stars 2 Price $34.99 $34 . 99 $28.50 $28 . 50 — $32.72 $32 . 72 $28.50 $28 . 50 Display size 0.96inch 2.13inch 2.90inch 1.96 Inch 2.13inch Pixel 128(H)×64(V) 122(H)×250(V) 128(H)×296(V) 170(H) x 320(V) 122(H)×250(V) MCU ESP32-S3FN8 ESP32-S3R8 ESP32-S3R8 ESP32-S3R8 ESP32-S3FN8 LoRa chipset SX1262 SX1262 SX1262 SX1262 SX1262 LoRa moudle ✓ Optional Optional Optional ✓ WiFi&BLE ✓ ✓ ✓ ✓ ✓ Partial refresh ✓ ✓ ✓ ✓ ✓ SH1.0-4P sensor Interface number N/A 2 1 1 N/A 2*20 Pin famle header(compatible with raspberry PI) N/A N/A ✓ N/A N/A Product information Technical Details Collapse all Summary Processor 2.4E+2 RAM SRAM Wireless Type 802.11bgn Other Technical Details Brand Heltec Automation Series WiFi LoRa 32(V3) Item model number 902~928MHz Item Weight 1.76 ounces Product Dimensions 1.97 x 1 x 0.4 inches Item Dimensions LxWxH 1.97 x 1 x 0.4 inches Processor Brand Espressif Systems Number of Processors 1 Manufacturer Heltec Automation ASIN B0D1H1FN9Y Country of Origin China Date First Available April 11, 2024 Additional Information Customer Reviews 5.0 5.0 out of 5 stars 1 rating 5.0 out of 5 stars Best Sellers Rank #3,421 in Single Board Computers (Computers & Accessories) Warranty & Support Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is “dead on arrival,” arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test “dead on arrival” returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor. Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price?
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