A DIP switch (Dual In-line Package switch) combines several switches into one unit. It is an electromechanical device that needs an actuator to be physically moved by the user to activate or deactivate a different electrical circuit. Frequently installed on a PCB (printed circuit board) or breadboard (a terminal or base used to build circuits) lets users quickly preconfigure or switch an electronic device between several settings or operational modes. Read More…
DIP SwitchesA DIP switch is a circuit board with a packaged group of tiny electric switches; these switches are very small manual binary switches, which means that they are either on or off and are operated by physical contact.
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The principle of poles (the number of circuits controlled by a switch) and throws (the number of "ON" positions each switch has) must be taken into account while discussing any switch. A single pole, single throw (SPST) switch is closed to permit current to pass or prevent current flow in an electronic circuit.
A single pole, double throw (SPDT) switch chooses one of two possible current-flow directions. In other words, shifting the actuator directs current flow in a different circuit branch rather than interrupting it.
Double pole, double throw (DPDT) switches use two connected switches to regulate two circuits. Both switches change positions simultaneously when one is toggled. Within its circuit, each switch diverts the current in a different direction. Technically, this configuration allows for numerous poles and throws by connecting several switches.
Depending on the application, a switch package may contain 1 to 16 (or more) switch positions. For example, a DIP switch package is typically made of eight places because switches can use 256 binary codes to represent one data byte.
Types of DIP Switches
There are many types of DIP switches available. Below, we discuss a few common DIP switch designs.
Toggle switches (switches that you push or flick up or down or left to right to operate) are commonplace DIP switches. Since these switches only have closed or open positions, they function as SPST switches.
Piano DIP Switch
A piano DIP switch is one with a series of "keys" spanning across the unit, which get pushed down to actuate various circuits.
Rotary Dip Switch
Rotary DIP switches toggle positions as the operator rotates the actuator in a circular motion. The switch's output is based on how much it rotates. Up to 16 alternative binary output configurations can be produced by a rotary DIP switch with four output pins. A DIP switch can also set it up as an SPDT device, and a single pole may receive three or four throws.
16-Position Rotary DIP Switch
A 16-position rotary DIP switch's output combination is specified by a hexadecimal code consisting of 16 symbols. Numbers 0 to 9 are followed by letters A to form the hexadecimal code.
There are three-position slide DIP switches, commonly set as on/off/on, with a neutral location in the middle and contacts at either end. Any DIP switch can function normally closed (NC) or usually open (NO). When activated, normally open switches complete the circuit, whereas normally closed switches sever the circuit. Other varieties of DIP switches include seesaw-style rocker actuators. Lifting one side of the actuator lowers the other when the switching mechanism is in any of its two locations. They are merely another variant of the standard toggle switch as a result.
Key DIP Switch Specifications
Actual performance and specification details for each DIP switch are available in manufacturer datasheets. This knowledge is essential for selecting the ideal DIP switch for a certain application. In addition, there are other parameters to keep in mind besides the obvious ones, like the number of positions and actuator type.
DIP Switch Applications
For many years, DIP switches have been utilized in many applications. As a quick approach to preconfigure or reprogram a device before it is implemented in a smart home or factory, they have even discovered new uses for IoT (Internet of Things)-compatible devices, limiting downtime. The following are some of the most typical uses for DIP switches:
setting up garage door openers
setting up remote controls
setting up options on motherboards or expansion cards for computers
adding devices to an IoT network
performing configuration checks on industrial equipment without turning it on
The DIP switch was initially developed as an easy way to modify an electronic system's circuits. They permit an individual user or manufacturing-stage configuration modifications. Due to their low cost and simplicity of usage, they continue to be well-suited in various
electromechanical devices, even if the development of software switches and user interfaces has decreased their widespread use over time. By comprehending DIP switches and the available variations, these devices can be set up to carry out particular tasks and to even talk to other compatible devices.
Choosing the Right DIP Switch Supplier
To ensure you have the most productive outcome when purchasing DIP switches from a DIP switch supplier, it is important to compare several companies using our directory of DIP switch companies. Each DIP switch supplier has a business profile page that highlights their areas of experience and capabilities, along with a contact form to directly communicate with the supplier for more information or request a quote. Review each DIP switch business website using our patented website previewer for a better understanding of what each business specializes in. Then, use our simple RFQ form to contact multiple DIP switch companies with the same form.
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