This is a low trigger with optocoupler Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Micro-controller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) .
ESP8266 offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions from another application processor. Perfect and simple AT commands
Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled
Arduino-like hardware IO
Integrated TR switch, balun, LNA, power amplifier and matching network
Integrated PLL, regulators, DCXO and power management units
Onboard USB to serial chip to easily program and upload codes from the Arduino IDE
Embeds logic level converter circuits...
Use the chip: MPU-6050
Power supply :3-5v (internal low dropout regulator)
Communication modes: standard IIC communications protocol
Chip built-in 16bit AD converter, 16-bit data output
Gyroscope range: ± 250 500 1000 2000 ° / s
The SIM800L module is a complete Quad-band GSM/GPRS solution in a LGA type which can be embedded in the customer,it has a set of TTL level serial interface, a set of power supply interface. Besides, there are a set of antenna interface on this module.