I'm new to electronics and i'm a electrical engineering student. we are asked to create something using ICs without the use of microcontrollers. we are allowed to copy circuits and ideas from the internet as this project's purpose is to teach us practical skills on how to create PCBs and electronics.
So i copied this circuit here from this link. Credit to the owner of the circuit and website: https://circuitdigest.com/electronic-circuits/laser-security-alarm-circuit-diagram
I create the schematic in Proteus but i found these errors when i'm running the simulation. Please explain it in a really simple terms and provide the steps if possible. Thank You so much
(Sorry if there are some grammar mistakes)
So i copied this circuit here from this link. Credit to the owner of the circuit and website: https://circuitdigest.com/electronic-circuits/laser-security-alarm-circuit-diagram
I create the schematic in Proteus but i found these errors when i'm running the simulation. Please explain it in a really simple terms and provide the steps if possible. Thank You so much
(Sorry if there are some grammar mistakes)
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