Want to Make Something Different?
Whatsapp TodayFor Custom eCard/Video Invites
This acts as the switch between the low-power Arduino and the high-power lock.
Microcontrollers cannot provide enough current to pull the solenoid pin. download solenoid door lock fritzing
When you are drawing your schematic or breadboard view, remember to use different wire colors to distinguish between power levels. Use red for 12V, orange or yellow for 5V, and black for a common ground. Ensuring that the ground of your 12V supply is connected to the ground of your Arduino is a common step that beginners miss. This acts as the switch between the low-power
This acts as the switch between the low-power Arduino and the high-power lock.
Microcontrollers cannot provide enough current to pull the solenoid pin.
When you are drawing your schematic or breadboard view, remember to use different wire colors to distinguish between power levels. Use red for 12V, orange or yellow for 5V, and black for a common ground. Ensuring that the ground of your 12V supply is connected to the ground of your Arduino is a common step that beginners miss.