23 January 2021

Ensuring Connection, an Unconventional Switch.

The circuit with switch on right.

Greetings, the details, and creation of my switch are as follows: The circuit is powered by 4.7V from the circuit playground express processor into the breadboard. Then a 100 Ohm resistor transfers power from the input of power to one side of the switch. This is from using a simple red led, with a forward voltage of 2V and an ideal current of 20mA, the ideal resistor would be 135 Ohms. The switch utilizes the base of a sheath for an electric screwdriver, the bits of which are conductive. When the screwdriver bit is placed into the holder it completes the circuit by touching the two wires (one from the resistor the other connecting from the LED), turning the LED, and following the ground wire back to the supply.


The schematic for the switch.

Below is a quick narration of my switch and my idea behind creating it!


~JM

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