LoRa Node 151
- Mã sản phẩm: LoRa Node 151
- Nhà sản xuất: Heltec
- Website hỗ trợ: https://www.proe.vn
590.000₫
- CE Certificate;
- Microprocessor: STM32L151CCU6(ARM® Cortex®-M3 32-bit RISC core,support DFU mode) , with LoRa® node chip SX1276/SX1278;
- Onboard user resources available: 256 Kbytes of Flash memory with ECC; 32 Kbytes of RAM; 8 Kbytes of true EEPROM with ECC; 128-byte backup register.
- Micro USB interface with a complete voltage regulator, ESD protection, short circuit protection, and other protection measures;
- 1/2 AA battery shell, use 1/2 AA Lithium chlorine sulfite battery (this battery can’t charge, but onboard USB / battery power automatic switching allows connect USB when the battery is assembled);
- Reserve SMA antenna interface for LoRa use
- Download the firmware via DFU or ST-LINK;
- Provide complete LoRaWAN(ClassA/C) source code(support ABP and OTAA);
- With good RF circuit design and basic low-power design (sleep current: 1.8uA), it is convenient for IoT application vendors to quickly verify solutions and deploy applications;
Technical Parameters
|
source |
parameter |
|
MCU |
STM32L151CCU6(Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3) |
|
LoRa chip |
SX1276/SX1278 |
|
LoRa bands |
EU_433, CN_470_510, EU_863_870, US_902_928 four bands optional |
|
LoRa maximum output power |
18dB ± 2dB |
|
Hardware Resource |
USART x 3; SPI x 2; I2C x 2; I2S x 2; USB 2.0 x 1 |
|
12 – bits ADC; 12 – bits DAC |
|
| DMA controller | |
| 38 general GPIO | |
|
Flash |
256KB FLASH；32KB SRAM；8KB EEPROM；128B BACKUP REGISTER |
|
Interface |
Micro USB x 1; LoRa antenna(SMA) x 1 |
|
Size |
56.6 x 24 x 20 mm |
|
battery type |
1/2 AA Lithium chlorine sulfite battery |
|
Battery detection circuit |
√ |
|
External device power control（Vext） |
√ |
|
Low power design |
Deep Sleep: 2.5uA |
Electrical characteristics
|
Electrical characteristics |
condition |
Minimum |
Typical |
Maximum |
|
Power Supply |
USB powered（≥500mA） |
4.7V |
5V |
6V |
|
Lithium powered（≥250mA） |
3.3V |
3.6V |
4.2V |
|
| 3.3V（pin）powered（≥150mA） |
2.7V |
3.3V |
3.5V |
|
| 5V（pin）powered（≥500mA） |
4.7V |
5V |
6V |
|
|
Power consumption(mA) |
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 input current |
|||
| External device power control (Vext 3.3V） | 350mA |
Điện tử ProE cung cấp linh kiện điện tử, thiết bị điện tử , linh kiện IoT chính hãng. ProE cung cấp dịch vụ đặt hàng linh kiện điện tử, thiết bị điện tử chính hãng theo yêu cầu cụ thể của khách hàng. Liên hệ : contact@proe.vn, SĐT: 0938946849
Website: www.proe.vn
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