TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232
Power module automatically boot, homing network
Onboard signal lights all the way . It flashes slowly when there is a signal, it flashes quickly when there is no signal
DescriptionWith 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)
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
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)