Electronic Modules

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

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

HX711 ADC Converter Breakout Module for Load Cell Weight Weighing Sensors
It can be used for load cell.
This module uses 24 high precision A/D converter chip hx711.

FT232RL FTDI Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V FT232R Breakout FT232RL USB to Serial Mini USB to TTL Adapter

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

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