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Metal Pushbutton with Wires - Momentary (16mm, White)
This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount momentary switch with an illuminated white LED ring. It is a SPDT with 16mm threading and 1mm pitch. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.5" and has small solder lugs for connection. These momentary buttons are rated up to 3A and 250VAC while the LED is rated for 5-12V.
Note: The images for this button show an LED voltage rating of 5V. We have verified that the voltage range for the the LED to be 5-12V. We are currently communicating with our supplier for new documentation. Trust the branding on the button to verify your voltage requirement.
- Stainless Steel Body
- IP65 Weatherproof Rating
- Tamper Resistant
- Momentary Operation Type
- White LED Ring
Metal Pushbutton with Wires - Momentary (16mm, White) Product Help and Resources
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Pinout
The pushbuttons (like the momentary https://www.sparkfun.com/products/11966 or latching https://www.sparkfun.com/products/11971 ) have an indication of the pinout of the buttons on the side of the plastic molding. One way to test the switch is to use a multimeter turned to the continuity setting. Here are what the pins (not in any particular order associated with the pushbutton's spades):
+ = LED Anode
- = LED Cathode
C = "Common Ground"
NC = Normally Closed
NO = Normally Open
One way to light the LED on the metal push button would require you to wire it so that when you press down on the button, the led would light up. You would need 5V to light the LED ring. It can be lit up with a smaller voltage but the LED won't light up as bright.
To connect the battery to the button so that it only lights when the switch is pressed down (momentary or latched), you would connect 5V to the "+" pin on the switch. This is assuming that your system is using the same voltage source that is 5V. Then from the "+" pin, you would wire it to the normally open (NO) pin.
Another wire would be connected from the "-" pin to the C pin. The C pin would essentially be connected to your ground. So as you press down on the button, it would flip the switch and complete the circuit from the normally closed (NC) pin to normally open (NO) pin while lighting the LED ring at the same time. It might be a good idea to use a current limiting resistor (like standard 330Ohm resistor) if you are using 5V directly from your power supply. The LED won't be as bright but you also wouldn't be reducing the life of the LED. I am not sure of the electrical characteristics of the LED that is in the pushbutton.
Core Skill: DIY
Whether it's for assembling a kit, hacking an enclosure, or creating your own parts; the DIY skill is all about knowing how to use tools and the techniques associated with them.
Skill Level: Noob - Basic assembly is required. You may need to provide your own basic tools like a screwdriver, hammer or scissors. Power tools or custom parts are not required. Instructions will be included and easy to follow. Sewing may be required, but only with included patterns.
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Core Skill: Electrical Prototyping
If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.
Skill Level: Competent - You will be required to reference a datasheet or schematic to know how to use a component. Your knowledge of a datasheet will only require basic features like power requirements, pinouts, or communications type. Also, you may need a power supply that?s greater than 12V or more than 1A worth of current.
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Customer Reviews
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Does the LED have a built-in resistor to protect against over-current?
Yes!
I'm using Arduino and was wondering if the OneButton library is the right thing to use. And if so, what would the code be?
Anyone know if this button can be modded to house a small Bi-color Blue/Red 3 wire LED by chance? I am building my own display and need a momentary button that changes color as the original led does. In fact, I can re-use the original led. Can this button be disassembled to reach the LED? Thanks
Hello. I just had a look at one. Not without a lot of difficulty. The metal housing is crimped around the gray plastic. If you were able to get it open without destroying the switch, you'd likely need to glue it back together.
Thank you for taking a look. I found a push button switch from E-Switch (similar to the ones here) that is only single color mode but it is working fine. When there is no signal I wanted it to blink red like the original LED does, but now it is just off. When the unit is on it is solid blue, and when it is on and not receiving signal is blinks blue, so this works out OK I guess. So long I have enough visual data to know what mode it is in I am fine. Not the ideal solution though...