Lora 32 V2 поддержка среды разработки имеет сертификат CE 433-470
- Категория: IoT Solutions & Products >>>
- Поставщик: Chengdu,Heltec,Automation,Technology,Co.,Ltd.
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Aug-17-2025 | 22.97 $* | 22.41 $* |
| Jul-17-2025 | 18.58 $* | 18.90 $* |
| Jun-17-2025 | 21.22 $* | 21.3 $* |
| May-17-2025 | 21.61 $* | 21.73 $* |
| Apr-17-2025 | 17.58 $* | 17.69 $* |
| Mar-17-2025 | 21.0 $* | 21.49 $* |
| Feb-17-2025 | 21.97 $* | 21.8 $* |
| Jan-17-2025 | 20.42 $* | 20.37 $* |
Характеристики
Product Description
WiFi lora 32 V2
433/470MHz LoRa SX1278+ESP32
868/915MHz LoRa SX1276+ESP32
WiFi LoRa 32 is a classic IoT dev-board designed & produced by Heltec Automation(TM), it’s a highly integrated product based on ESP32 + SX127x, it has Wi-Fi, BLE, LoRa functions, also Li-Po battery management system, 0.96″ OLED are also included. It’s the best choice for smart cities, smart farms, smart home, and IoT makers.
INTRODUCTION | ||||||
Main Frequency | Main Frequency | FLASH | 8MB | |||
Processor | Tensilica LX6 dual-core | MCU | ESP32 | |||
LoRa Chip | SX1278 | LoRa bands | 433-470MHz | |||
Open Communication Distance | 2.8KM | Computing Power | 600DMIPS（Max） | |||
Bluetooth | Bluetooth&BLE | Development Environment | Arduino | |||
Working Voltage | 3.3~3.7V | Working Temperature | -40-90℃ | |||
Receiver Sensitivity | -139dbm(SD12,125KHz) | UDP Continuous Throughput | 135Mbps | |||
USB to UART Bridge | CP2102 | Support Mode | Sniffer, Station, soft AP, Wi-fi Direct | |||
Details Images
WiFi LoRa 32 is a part of the “Heltec LoRa“ series, with the following features:
CE Certificate; | ||||||||
Microprocessor: ESP32 (dual-core 32-bit MCU + ULP core), with LoRa node chip SX1276/SX1278; | ||||||||
Micro 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); | ||||||||
Integrated WiFi, LoRa, Bluetooth three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal 3D antenna, reserved IPEX (U.FL) interface for LoRa use; | ||||||||
Onboard 0.96-inch 128*64 dot matrix OLED display, which can be used to display debugging information, battery power, and other information; | ||||||||
Integrated CP2102 USB to serial port chip, convenient for program downloading, debugging information printing; | ||||||||
Support the Arduino development environment; | ||||||||
We provide ESP32 + LoRaWAN protocol Arduino® library, this is a standard LoRaWAN protocol that can communicate with any LoRa gateway running the LoRaWAN protocol. In order to make this code running, a unique license is needed. it can be found on official site:www.heltec.cn ; | ||||||||
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. | ||||||||
Technical Parameters
Source | Parameter |
MCU | ESP32( 240MHz Tensilica LX6 dual-core + 1 ULP, 600 DMIPS, 520KB SRAM, Wi-Fi, dual mode Bluetooth) |
LoRa chip | SX1276 (868 and 915 version); SX1278 (433 and 470 version) |
LoRa bands | EU_433, CN_470_510, EU_863_870, US_902_928 four bands optional |
LoRa maximum output power | 18dB ± 2dB |
Hardware resources | UART x 3; SPI x 2; I2C x 2; I2S x 1 |
12 – bits ADC; 8 – bits DAC | |
29 general GPIO | |
Display | 0.96 inch 128*64 OLED display |
FLASH | 8MB(64M-bits) SPI FLASH |
interface | Micro USB x 1; LoRa antenna interface(IPEX) x 1 |
Size | 50.2 x 25.5 x 9.74 mm |
USB to UART Bridge | CP2102 |
Battery Type | 3.7V Lithium（SH1.25 x 2） |
Battery detection circuit | √ |
External device power control（Vext） | √ |
Low power design | Deep Sleep 800uA |
Electrical Characteristics
Electrical characteristics | Condition | Minimum | Typical | Maximum |
Power Supply | USB powered（≥500mA） | 4.7V | 5V | 6V |
Lithium powered（≥250mA） | 3.3V | 3.7V | 4.2V | |
3.3V（pin）powered（≥150mA) | 2.7V | 3.3V | 3.5V | |
5V（pin）powered（≥500mA） | 4.7V | 5V | 6V | |
Power Consumption(mA) | WIFI scan | 115mA | ||
WIFI AP | 135mA | |||
LoRa 10dB emission | 50mA | |||
LoRa 12dB emission | 60mA | |||
LoRa 15dB emission | 110mA | |||
LoRa 20dB emission | 130mA | |||
Output | 3.3V pin output | 500mA | ||
5V pin output （USB powered only） | Equal to the input current | |||
External device power control (Vext 3.3V） | 350mA |
Test Info
470MHz Smith Chart Test
LoRa 470MHz Maximum Power Output
470Hz SWR Test Data
868Hz and 915Hz SWR Test Data
Company Overview
Chengdu Heltec Automation technology co. LTD.(Referred to as"Heltec Automation") is located in Chengdu, Sichuan province, China.
We develop and produce electronic products including OLED screen,E-ink screen,Iot development kit ,LoRa supporting solutions ,A high precision temperature controller based on automatic control algorithm and so on. There are already strong technical r&d teams,scientific production platform and strict quality control system. On the road to innovation, we are not standing still.
We constantly, with high quality requirements, to meet the market demand as the goal, development and production of exquisite appearance, excellent performance, energy conservation and environmental protection green products, is committed to be a leader in the electronic market.
Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements.
OUR SERVICES & STRENGTH
Stable performance, cost-effective products, high-quality and superior service, our products have not only gained a good reputation in the country, but also received high-quality evaluation in France, Germany, Russia, the United States, South Korea and other countries.
1). Rigorous quality assurance system. |
2). High level of service awareness. |
3). High quality team. |
4). Components use well-known brands. |
5). Quick response customer program. |
6). Self-owned processing plant, rapid production, equipped with automatic SMT placement machine, automatic screen printing machine and reflow oven. |
Certifications
About us
1.Why choose us?
We have our own SMT factory:
1）Two semi-automatic production lines;
2） Panasonic® CM402 Placement Machine;3）Panasonic® CM202-DS Chip Mounter.
Professional design team, our develop engineers covers hardware system design, RF design, software design (C, C++, ASM, python, JAVA, etc.). Especially in ARM, mbed, Arduino® field.
Professional instruments and equipment for development and test, inlcude:
1）Agilent® N5181A Analog Signal Generator;
2）Agilent® E5062 Vector Network Analyzer;
3）Agilent® 8594E Spectrum Analyzer;
4）GA4033 Spectrum Analyzer;
5） Agilent® E4980A LCR Meter;
6） UC2835 LCR Meter;
7） MSO5074 Oscilloscope;
8） Keysight® E3647A DC Power Supply;
9） Keysight® 34461A Digital Multimeter;
……
Quality assurance system include produce managers, quality supervisor, test engineers and support engineers.
2.What can we do for you?
Hardware design, include:
1）Basic hardware design;
2）Mbed system design;3）Impedance matching and RF system design;
4）Low power hardware design;
5）Ethernet, PoE, 2-Wire etc. bus system.
ARM and Mbed system software design, especially:
1）ESP® series;
2）STM32® series;
3） Psoc® series;
4） Wi-Fi, BLE, LoRa® and LoRaWAN®;
5） Low power software design.
Mechanical structure design;
Automatic control system design;
PCB & SMT produce;
OEM & ODM.
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