Heltec V4 ESP32 LoRa 32 WiFi 28dBm Dev Board Solar/GNSS Antenna GPS Module
$ 12.57
Description
Heltec V4 ESP32 LoRa 32 WiFi 28dBm Dev Board Solar/GNSS Antenna GPS Module. Newly added solar charging and GNSS interfaces provide excellent expandability. New SH1.25-8Pin GNSS interface. Since its launch, this product series has been highly favoured by developers and manufacturers. Visit store Items for sale About us Product Details Product Features:1. Features a screen protector made from cast PC material, ensuring robustness, durability and impact resistance.2. The USB Type-C port incorporates multiple safety protections, ensuring reliability and security.3. Supports tri-mode communication via Wi-Fi, BLE and LoRa, offering flexible connectivity.4. LoRa transmission power reaches up to 28±1dBm, enabling extended coverage.5. Newly added solar charging and GNSS interfaces provide excellent expandability. Product Introduction:The WiFi LoRa 32 V4 is a fully upgraded version of the classic LoRa development board. Since its launch, this product series has been highly favoured by developers and manufacturers. Building upon the robust capabilities of its predecessor, the V4 version has undergone comprehensive optimisation in terms of transmission power, power management, expandability and other hardware designs. It is suitable for a wide range of IoT applications, such as smart cities, agricultural monitoring, smart homes, industrial control, security systems and wireless meter reading, providing developers with a more efficient and flexible development experience. Performance Features:Based on the ESP32-S3R2 and SX-1262, supporting Wi-Fi b/g/n, BLE and LoRa communication.2MB PSRAM and 16MB external flash memory, making it more suitable for UIs and complex systems.High-power version, with LoRa transmission power increased to 28±1dBm.Form factor and pinout are compatible with the WiFi LoRa 32 V3.PC shell protects the screen, with an integrated 2.4GHz FPC antenna.New SH1.25-2P solar panel interface.Optimised lithium battery management.New SH1.25-8Pin GNSS interface. USB Type-C interface, featuring integrated voltage regulation, ESD protection, short-circuit protection and RF isolation design; low power consumption of less than 20μA. Specifications:Main controller chip: ESP32-S3R2LoRa chip: SX-1262Frequency: 433–510 MHz, 863–928 MHzMaximum transmit power: 21±1 dBm, 28±1 dBmMaximum receive sensitivity: -137 dBmWi-Fi: 802.11 b/g/n, up to 150 MbpsBluetooth: Bluetooth LE, Bluetooth 5, Bluetooth MeshOLED: SSD1315 (0.96-inch, 128×64 resolution)Power supply: 5V via USB/solar; 3.3–4.2V via batteryHardware resources: 7× ADC1 + 2× ADC2, 7× touch, 3× UART, 2× I2C, 2× I2S, 4× SPI, etc.Storage: 384KB ROM; 512KB SRAM; 16KB RTC-SRAM; 16MB flash; 2MB PSRAMInterfaces: USB Type-C; SH1.25-2P lithium battery connector; SH1.25-2P solar panel connector; 2× IPEX1.0 ANT (LoRa and 2.4G); 2× 18-pin 2.54mm header, 2× 2-pin 2.54mm headerOperating temperature: -40 to 85°C (OLED operating temperature: -40 to 70°C)Dimensions: 51.7 × 25.4 × 10.7 mm Application Scenarios:Environmental sensorsIndustrial IoTAsset trackingRemote meter readingSmart agricultureWireless alarmsInnovative projects and DIY applications Product List: Development board （with screen or without screen optional）Antenna (Optional)Terminal leadsPin headersGPS module (optional) Package include: refer the opiton picture, according buyer choose Payment Method Shipping Policy Returns & Refund Policy Feedback Payment Method EBAY Managed Payment. But we only Accept your Ebay Address , please Make sure it's 100% right. Payment must be received in 5 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order. Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched. Shipping Policy 1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand. 2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders. 3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund. Returns & Refund Policy All package need to wait 30 days (US only n eed 7-10 days) ,Please take care it.Less than 30 days,we can't take a refund. If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it. If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item. Feedback We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.
