5V 2 Channel USB Intelligent ModuleThe 5V 2 Channel USB PC Intelligent Control Relay Module is a versatile USB controlled relay board designed for switching and controlling external electrical devices directly from a computer. Featuring a high performance control chip and stable USB communication, this module allows users to automate equipment, control appliances, and manage industrial or DIY projects through software commands. Its dual relay design enables independent control of two

and secure facilities

Timer Module

Model LRS-200-24 Brand Meanwell DC Voltage 24V Rated Current 8

Single comparator with open-drain output

35mm/ 1/4" Audio Jack Plug Type Mono Variant Male Pin Diameter 6

Power supplies for microcontrollers

and larger contact area

The ULN2003A devices are high-voltage

Diameter 70 mm  Width  20 mm Colour Black & White Shaft inner Dia 6

ATmega328P Microcontroller IC is the high-performance Atmel Pico Power 8-bit AVR RISC-based microcontroller

its used in electronic circuit as a switching device this module has the pins which is for Signal

The ultra-low inductance ensures that the high current signal flowing through these cables will lose a minimal amount of energy