SPECIFICATION:
NodeMCU LUA WiFi Module:
- Power input: 4.5V ~ 9V (10V MAX), USB-powered
- Communication interface voltage: 3.3V
- Current: continuous transmission: ≈70mA (200mA MAX), Standby: <200uA
- Drive Type: Dual high-power H-bridge driver
- Flash size: 4MByte
- No need to download resetting
- Wireless 802.11 b/g/n standard
- WiFi at 2.4GHz, support WPA / WPA2 security mode
- Antenna type: Built-in PCB antenna is available
- Support STA/AP/STA + AP three operating modes
- Built-in TCP/IP protocol stack to support multiple TCP Client connections (5 MAX)
- D0 ~ D8, SD1 ~ SD3: used as GPIO, PWM, IIC, etc., port driver capability 15mA
- AD0: 1 channel ADC
- Transfer rate: 110-460800bps
- Support UART / GPIO data communication interface
- Remote firmware upgrade (OTA)
- Support Smart Link Smart Networking
- Working temperature: -40 ℃ ~ + 125 ℃
- ESP8266 has IO Pin
SainSmart 2/8 Channels Relay:
- 5V Relay interface board, and each one needs 15-20mA Driver Current
- Equipped with high-current relay, AC 250V 10A ; DC 30V 10A
- Standard interface that can be controlled directly by micro-controller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
- Indication LED’s for Relay output status
WHAT’S IN THE PACKAGE
- 1x SainSmart 2/8 channels relay
- 1x NodeMCU LUA WiFi module