Mechanical switches are one of the most common electrical devices as they allow power to be turned on or off.
Switches are rated for the amount of current and voltage they are suitable for. For switching low power and low currents like using a switch as an input to a microcontroller just about any switch will do. When using a switch to control power from a battery or turn a motor on then care should be taken to ensure the switch is rated to the expected current. For high power uses an electronic solid state switch can be better.
Mechanically switches are varied. Momentary switches are either on or off while you hold them like buttons while others will maintain the state until switched back like toggles or sliders. Like relays, switches can be SPST (single pole single throw), DPDT (double pole double throw) or lots of other variations.
Code: SKU-000391
This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, ‘clicky’ feel. More Details...
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Code: SKU-000390
This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, ‘clicky’ feel. More Details...
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Shipping from $7.90
+89 more from our supplier in 7-10 days
Code: SKU-000388
This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, ‘clicky’ feel. More Details...
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Shipping from $7.90
+49 more from our supplier in 7-10 days
Code: SKU-000140
DIP switch with 8 individual switch positions. The pins have .1" spacing - fits great into a breadboard! Works great as general control switches. Documents: Datasheet More Details...
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Code: SKU-004672
This is a basic 12 button keypad that has been designed for easy user input and functionality. The buttons are set up in a matrix format. This allows a microcontroller to ‘scan’ the 7 output pins to see which of the 12 buttons is being pressed. More Details...
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Code: SKU-001019
This inline switch is great when you just want a simple on/off toggle switch that’s already enclosed. Inside is a simple rocker switch with solder terminals with crimp strain relief. Attach some wires, solder them in place, and press-fit the enclosure together and you have a clean-looking switch. More Details...
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Code: SKU-000691
This is a simple LED-illuminated tactile button with a clear cap. It’s just like a basic tactile button, but it lights up blue! So now you can get visual feedback, or light up your project. These have a 12mm body and are rated for 50mA. More Details...
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Code: SKU-000688
This is a simple LED-illuminated tactile button with a green cap. It’s just like a basic tactile button, but it lights up green! So now you can get visual feedback, or light up your project. These have a 12mm body and are rated for 50mA. More Details...
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Code: SKU-000690
This is a simple LED-illuminated tactile button with a red cap. It’s just like a basic tactile button, but it lights up red! So now you can get visual feedback, or light up your project. These have a 12mm body and are rated for 50mA. More Details...
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Shipping from $2.90
+47 more from our supplier in 7-10 days
Code: SKU-000687
This is a simple LED-illuminated tactile button with a clear cap. It’s just like a basic tactile button, but it lights up white! So now you can get visual feedback, or light up your project. These have a 12mm body and are rated for 50mA. More Details...
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Shipping from $2.90
+286 more from our supplier in 7-10 days