How To Make 8 Channel Reprogrammable Relay Timer

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Hi friends in this video I have made a Digital 8 Channel Reprogrammable Relay Timer Circuit I hope you will enjoy this video please like share and subscribe

Arduino Code + Circuit Diagram : https://drive.google.com/file/d/17UI5...

Gerber File: https://drive.google.com/file/d/1xQ3n...

Components:

1x Arduino Nano https://s.click.aliexpress.com/e/_dW4...

1 X RTC Module https://s.click.aliexpress.com/e/_9yXbrD

1 X 16x4 LCD https://s.click.aliexpress.com/e/_DE8...

1 X ULN2803 IC https://s.click.aliexpress.com/e/_9RVzYp

8X LEDS https://s.click.aliexpress.com/e/_dSK...

8X 100R Resistors https://s.click.aliexpress.com/e/_dW4...

8x 5V Relays https://s.click.aliexpress.com/e/_d6z...

1 X 2 Pin Terminal Block https://s.click.aliexpress.com/e/_dYS...

21x 3 Pin Terminal Block https://s.click.aliexpress.com/e/_dTU...

JUMPER WIRES https://s.click.aliexpress.com/e/_dVh...

Useful Tools
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Desktop oscilloscope https://s.click.aliexpress.com/e/_d8d...

hand held oscilloscope https://s.click.aliexpress.com/e/_dXj...

cordless drill + screw driver https://s.click.aliexpress.com/e/_d9n...

power supply https://s.click.aliexpress.com/e/_dVM...

soldering station https://s.click.aliexpress.com/e/_dXU...

Drill press https://s.click.aliexpress.com/e/_d6G...

3d printer https://www.aliexpress.com/item/33009...

CNC machine https://s.click.aliexpress.com/e/_d7b...

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