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 5MM 5V Mini Traffic Light Red Yellow Green LED Display Module

DS3231 AT24C32 IIC RTC Real Time Clock Module

Real Time Clock Chip The DS3231RTC is used as a real time clock chip which keeps the time running even if the main power supply is off (with the help of a battery).
Complete Clock Calendar Functionality Including Seconds, Minutes, Hours, Day, Date, Month, and Year, with Leap-Year Compensation Up to Year 2100.

Low level trigger 4-channel 5v Solid State Relay Module Board SSR
Led indicator for each relay.
Input control signal voltage: 0V - 0.5V Low stage (SSR is OFF), 0.5V - 2.5V (unknown state), 2.5V - 20V High state (SSR is ON); SSR Output (each channel);
Load voltage range: 75 to 264VAC (50/60Hz); Load current: 0.1 to 2 AMP Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)

1 Set MFRC-522 RC-522 RC522 Antenna RFID Reader Sensor Module with S50 White IC Card and IC Key Chain
Current :13-26mA / DC 3.3V; Idle Current :10-13mA / DC 3.3V
Operating Frequency: 13.56MHz; Data Transfer Rate: Max. 10Mbit/s

GY-521 MPU-6050 Module Sensor DIY Kit 3 Axis Analog Gyroscope
Name: GY-521 MPU-6050 Module (3 Axis Analog Gyroscope + 3 Axis Accelerometer)
Chip: MPU-6050, chip built-in 16bit AD converter, 16-bit data output

KY-008 Laser Transmitter 3 Pin 650nm 5V Dot Diode Copper Head Sensor Module
Product Name: Laser sensor Module.Model: KY-008.
Working Voltage:5V. Wavelength:650nm .
Size:24x15mm/0.94x0.59Inches(LxW)

KY-023 Game Joystick Axis Sensor Module

DC 3-5V Active Buzzer Module Audible Visual Alarm Module

8 Channel Relay Module DC 5V

Equiped with high-current relay, AC250V 10A ; DC30V 10A
5V 8-Channel Relay interface board, and each one needs 50-60mA Driver Current
Be able to control various appliances, and other equipments with large current
Application：Supports all MCU control, The industrial field, PLC control, Smart home control
Indication LED's for Relay output status

4 Channel Relay Module DC 5V

Equiped with high-current relay, AC250V 10A ; DC30V 10A
5V 4-Channel Relay interface board, and each one needs 50-60mA Driver Current
Be able to control various appliances, and other equipments with large current
Application：Supports all MCU control, The industrial field, PLC control, Smart home control
Indication LED's for Relay output status

MAX7219 Dot led Matrix 8x32 Control LED Display Module
A single module can drive a 8x8 dot matrix common cathode
Operating Voltage: 5V
Dimensions: 12.8X12.8X1.3cm/
Fixing screws with 64 holes with a diameter 3mm
Module with input and output interfaces, support for cascading multiple modules

1 Channel 5V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger
Maximum load: AC 250V/10A, DC 30V/10A
SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA
The module voltage 5V
The module can be set high or low triggered by jumper