LoRa32u4 II Lora Development Board Module LiPo SX1276 HPD13 915MHZ with Antenna for Arduino DIYmall

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LoRa32u4 II Lora Development Board Module LiPo SX1276 HPD13 915MHZ with Antenna for Arduino DIYmall

Regular Price: US$47.99

Special Price US$39.99

Availability: In stock

Supplier: DIYmall

Category: Electronics Computers & Accessories Computer Components Single Board Computers

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DESCRIPTION:

LoRa32u4 II is a light and low consumption board based on the Atmega32u4 and HPD13 915MHz LoRA module and an USB battery charging circuit.
Ideal for creating long range wireless networks that can exceed 2.4 GHz 802.15.4 and similar, it is more flexible than Blue-tooth LE, does not require high power unlike WiFi and offers long range.
ATmega32u4 @ 8MHz with 3.3V logic/power
3.3V regulator with 500mA peak current output
USB native support, comes with USB bootloader and serial port debugging
Built in 100mA lipoly charger with charging status indicato LED
Reset button

HPD13:

Receive current: 10 ~ 14mA
Interface Type: SPI
Operating temperature: -40 ° C to + 85 ° C
Digital RSSI function
Automatic frequency correction
Automatic gain control
Radio wake-up function
Low voltage detection and temperature sensor
Fast wakeup with frequency hopping
Highly configurable packet handlers

LOW POWER:

The battery monitoring circuit is now active and enabled by the previously unused pin PB0 (not broken-out on headers), it must be enabled (high) to allow battery monitoring.
The battery charger is now controlled, it must be enabled (high) by PB0 to allow battery charging.
The LDO has been replaced for an ultra low IQ LDO (0.5uA).
Overall sleep current has been lowered from 260.2uA to 183.8uA (tested with Atmega32u4 in watchdog sleep mode @ 8MHz and LoRa circuit in sleep mode).

USAGE:

LoRa DIO1 is now connected by default to Atmega32u4 pin 5 (PC6) allowing direct use of LMIC and other LoRaWAN libraries without soldering, it is still possible to disable this link by opening the DIO1 solder jumper on topside.
LoRa DIO2 and DIO3 are now routing to Atmega32u4 pin 6 (PD7) and 14 (PD5), solder jumpers are open by default (these DIO pins are rarely used).
Atmega32u4 pins 0 (PD2),1 (PD3) for UART and 2 (PD1), 3 (PD0) for I2C are now free for use.
LoRa DIO pins solder jumpers have been moved on topside for better accessibility.
Pull-up resistors (4.7K) have been added on the I2C bus.
The antenna uFL connector has been moved on topside to ease access.


Work with USBISP: Lora32u4II-----------USBISP MISO------------------MISO MOS1-----------------MOSI SCK--------------------SCK GND------------------GND 3v3--------------------VCC RST--------------------RST	IPEX Antenna 850-1850MHz Frequency:850-960/1710-1880MHz Type: U.FL to Female SMA Impedance: 50 ohms Gain: 2DBi

Package includes:

1 X LORA32U4 II 915MHZ Board

1 X IPEX Antenna 850-1850MHz


	2PCS LoRa32u4 LORA RA-02 Module	LoRa32u4 II	LoRa32u4 II	2sets Assembled ESP32 OLED WiFi Lora Kit	1set Assembled ESP32 OLED WiFi Lora Kit	LoRa GPS Module
Frequency	433MHz	868MHz-915MHz	868MHz-915MHz	868MHz-915MHz	868MHz-915MHz	868MHz-915MHz
Main Chip	/	/	/	ESP32 and SX1276	ESP32 and SX1276	ASR6502
Function	Lora	Lora	Lora	WiFi + Lora	WiFi + Lora	Lora + GPS
Communication Interface	SPI	SPI	SPI	SPI or IIC	SPI or IIC	SPI or IIC
Power Supply Voltage	3.3-5V	3.3-5V	3.3-5V	3.3-7V	3.3-7V	3.3-7V
Pin Header Assembled	No	No	No	Yes	Yes	No
OLED Size	/	/	/	0.96 inch	0.96 inch	0.96 inch
Flash Size	32 KB	32 KB	32 KB	8Mbyte	8Mbyte	128 KB
Lithum Battery Interface	PH2.0mm 2P	PH2.0mm 2P	PH2.0mm 2P	PH1.25mm 2P	PH1.25mm 2P	SH1.25 x 2socket
Open Fields Distance	about 7KM	about 7KM	about 7KM	about 2.8KM	about 2.8KM	about 4.2KM

What you will get : 1 X LORA32U4 II 915MHZ Board + 1 X Antenna + 1 X JST-PH2.0MM-2P Cable. Built in 100mA lipoly charger with charging status indicator LED, interface is 2.0mm male. 3.3V regulator with 500mA peak current output. ATmega32u4 @ 8MHz with 3.3V logic/power. Document link https://github(DOT)com/BSFrance/BSFrance-avr.