How To Make a 2-Channel Relay Module

Hi Friends in this tutorial I have made a simple Relay Module with 2 Outputs.
Circuit Diagram: drive.google.com/file/d/1ZA1I...
Components:
2x 3-PIN TERMINAL BLOCKS s.click.aliexpress.com/e/_Dc7...
2x BC547 NPN TRANSISTORS TRANSISTORS s.click.aliexpress.com/e/_dXw...
2x1N4007 DIODES s.click.aliexpress.com/e/_Dl1...
6x 1K RESISTORS s.click.aliexpress.com/e/_dW4...
2x LEDS s.click.aliexpress.com/e/_dSK...
2x 6V RELAYS s.click.aliexpress.com/e/_d6z...
2x PC817 OPTOCUPLOR s.click.aliexpress.com/e/_dVW...
Useful Tools
electronic tool kit s.click.aliexpress.com/e/_dXr...
Hardware tool kit s.click.aliexpress.com/e/_dSI...
Desktop oscilloscope s.click.aliexpress.com/e/_d8d...
hand held oscilloscope s.click.aliexpress.com/e/_dXj...
cordless drill + screw driver s.click.aliexpress.com/e/_d9n...
power supply s.click.aliexpress.com/e/_dVM...
soldering station s.click.aliexpress.com/e/_dXU...
Drill press s.click.aliexpress.com/e/_d6G...
3d printer www.aliexpress.com/item/33009...
CNC machine s.click.aliexpress.com/e/_d7b...
My Channels:
KIYANI' KI LAB / @kiyanikilab
KIYANI TECH / @kiyanitech
Instagram: / kiyani676
fecebook: / kiyanis-lab-1520512291...
Previous videos:
• how to make mini cnc p...
• Let's Answer Your Ques...
• LET'S REPAIR IT | BENQ...
TIMING:
Intro 00:00
Circuit 00:36
Testing 01:45
#electronicsproject #arduinoproject #automation #relay

[@user-nb5nu1qq5l]

hi friend first off all thank you .. and can you make a video about Short Circuit protection for variable power supply from 1v to 25 v or more

[@qadeer1685]

Very nice ❤❤❤❤

[@Electronzap]

Nice.

[@user-nb6em7vg2v]

هل يمكن زيادة المدى الخاص بالواي فاي لمسافات طويلة

[@mashooqueali4241]

Kiya hum malor capistor ki jgha ceramic use kry

[@aleksiujak4401]

Kalau tidak keberatan tolong buatkan automatic charger battery aki 12v dari 3,5ah sampai 100ah

[@user-nb6em7vg2v]

هل يمكن زيادة المدى الخاص بالواي فاي لمسافات طويلة