Module stereo output, built-in Bluetooth antenna structure is simple, the power supply voltage is 3.7V~5V version selection, active speakers increase Bluetooth connection function. 7PIN output interface is spacing 2.54 through hole, 7PIN output interface is: + power, ground, left channel, right channel, mute, LED status indicator, reserved port.
Module stereo output, built-in Bluetooth antenna structure is simple, the power supply voltage is 3.7V~5V version selection, active speakers increase Bluetooth connection function. 7PIN output interface is spacing 2.54 through hole, 7PIN output interface is: + power, ground, left channel, right channel, mute, LED status indicator, reserved port. The LED state port is connected with a 100 ohm resistor in series, LED indicates the ground connection, the Bluetooth is not connected and the flash is fast. After the Bluetooth connection is successful, it is slow flashing. The volume is 30mm X 20mm X 3mm.
Specifications
Bluetooth Protocol: Bluetooth Specification V4.0 BLE
USB Protocol: USB V2.0
Operating Frequency: 2.4GHz ISM band
Modulation Mode: GFSK (Gaussian Frequency Shift Keying)
Transmitting Power: =4dBm
Sensitivity: =-84dBm at 0.1% BER
Transmission Rate: 6 kbps (asynchronous & synchronous)
Security Feature: Authentication and encryption
Description
With this Ethernet Shield, your Arduino board can be used to connect to internet.
Can be used as server or client.
Directly plug puzzle board, no soldering required.
Controller: W5100.
This Arduino Ethernet Shield which is based on the Wiznet W5100 Ethernet Chip gives you an easy way to get your Arduino Online.
It is directly supported by Arduino official Ethernet Library.
Specification
1.Works with standard (dual 5/3.3V) and 3.3V-only (for example, Arduino Pro)boards.
2.Operates over the extended -40°C to +85°C temperature range
3.Complies with USB Specification Revision 2.0 (Full-Speed 12Mbps Peripheral,
4.Full-/Low-Speed 12Mbps/1.5Mbps Host)
Audio Input: Wireless Bluetooth
Max. Receiving Distance: 10 Meter
Power Output: Dual-channel 15 W+15 W
Applicable Speaker Impedance: 4/6/8/10 ohm
Supply Voltage: DC 10~25 V(recommended DC 12V More than 2A)
Features:
* 802.11 b / g / n
* Wi-Fi Direct (P2P), soft-AP
* Built-in TCP / IP protocol stack
* Built-in TR switch, balun, LNA, power amplifier and matching network
* Built-in PLL, voltage regulator and power management components
* 802.11b mode + 19.5dBm output power
* Built-in temperature sensor
* Support antenna diversity
* off leakage current is less than 10uA
primary info
penetrating ability SI4432 IC, stable performance
Frequency Range: 433.92M
Sensitivity up to-121dBm
Maximum output power: 20dBm
Data transfer rate :0.123-256kbps
FSK, GFSK and OOK modulation mode
1.8-3.6 V power supply
Low consumption shutdown mode
Digital received signal strength indicator (RSSI)
Timing wake-up function
The antenna automatically match and two-way switch control
