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: SEN-10023
This single-pole, double-throw (SPDT) switch can be used as a general-purpose micro switch or tactile bump sensor for your robot. The switch body dimension is 20.0 x 6.4 x 10.2 mm, and the lever arm is 16.7 mm long. More Details...
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Code: SEN-10022
This single-pole, double-throw (SPDT) switch can be used as a general-purpose micro switch, but the long lever arm makes it especially useful as a tactile bump sensor for your robot (e.g whiskers or antennae). The switch body dimension is 20.0 x 6.4 x 10.2 mm, and the lever arm is 50 mm long. More Details...
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Code: SEN-10055
Heavy duty SPST toggle switch makes a good in-line or board mounted power switch. 6A @ 125VAC, 3A @ 250VAC More Details...
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Code: CCW-20146
This SPST heavy duty high current toggle switch has a red illuminated cover for switching loads up to 20A at 12V. It looks great and has an air of danger! More Details...
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Code: SKU-000568
Sometimes you want a small input and a single button just won’t cut it. A 5-way tactile switch allows for a joystick-like interface in a very small package. These are surface mount, but easily soldered. Documents: Datasheet More Details...
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Code: SKU-000347
4-way Pacman type arcade joystick. Heavy duty design gives this joystick a great feel! Features: ABS plastic and solid alloy construction Uses 4 microswitches to detect on/off position Unique handle design Spring return to centre Very rugged construction Rated 5A @ 125V, 3A @ 250V Dimensions: Ove... More Details...
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Code: SKU-000944
It’s the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push button comes with an LED, securing nut and a pre-installed long life horizontal microswitch. More Details...
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Code: SKU-000945
It’s the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push button comes with an LED, securing nut and a pre-installed long life horizontal microswitch. More Details...
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Code: SKU-000943
It’s the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push button comes with an LED, securing nut and a pre-installed long life horizontal microswitch. More Details...
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Code: SKU-000371
This a simple breakout board for the button pads. Each LED and button is brought out to the side connectors. The connectors are soldered to the back side of the PCB. We recommend trimming the connector leads on the button side as short as possible to reduce the deflection of the pad. More Details...
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