DZS Elec 2pcs 2 Channel Relay Module with Optocoupler 5V Active Low Level Amplifier Trigger JD-VCC Relay Power VCC Power

Elegoo EL-CP-004 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Wires Ribbon Cables Kit for arduino

ELEGOO UNO R3 Board ATmega328P ATMEGA16U2 with USB Cable Compatible with Arduino IDE Projects, RoHS Compliant

Haitronic 120pcs 20cm Length Jumper Wires/Dupont Cable Multicolored(10 Color) 40pin M to F, 40pin M to M, 40pin F to F for Breadboard/Arduino Based/DIY/Raspberry Pi 2 3/Robot Ribbon Cables Ki

JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

Tolako 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards

SunFounder Mega 2560 R3 ATmega2560-16AU Board Compatible with Arduino

DIYmall 5 Pack HC-SR501 Pir Motion IR Sensor Body Module Infrared for Arduino

Paxcoo 17 Pcs Double Sided PCB Board Prototype Kit for DIY, 6 Sizes

ELEGOO 3pcs MB-102 Breadboard 830 Point Solderless Prototype PCB Board Kit for Arduino Proto Shield Distribution Connecting Blocks