Rotary Encoder Sensor Module w/ Pushbutton Switch KY-040 for Arduino AVR DIY US

Rotary Encoder Sensor Module w/ Pushbutton Switch KY-040 for Arduino AVR DIY US

$4.29


End Date: Monday Dec-17-2018 18:52:15 PST
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eBay KY-040 Rotary Encoder / Rotation Sensor Module with Pushbutton On/Off Switch for Arduino, Digispark and other Micro-ControllersThe KY-040 rotary encoder is a 360 degree rotary input device (i.e. a control knob) that provides an indication of how much the knob has been rotated AND which direction it is rotating in.It is a great device for stepper and servo motor control.  You can also use it to control devices like digital potentiometers. It is ideal for navigating menus on a display or taking inputs such as numbers or text characters. The range of input can be easily defined and mapped in software. A push button switch is built into this encoder. If you push on the shaft, the normally open switch "SW" will close. This can be used as an On/Off switch, to change control functions, ranges, selecting a menu item or entering a number. The "D" shaft of the encoder can be fitted with a knob for using it in a productThe KY-040 rotary encoder has 20 positions per revolution. These positions are felt as small “clicks” when you turn the encoder. Inside the encoder there are two switches. One switch connects pin A to pin C and the other switch connects pin B to C. In each encoder position, both switches are either opened or closed.  Each click causes these switches to change states. If both switches are closed, turning the encoder either clockwise or counterclockwise one position will cause both switches to open. If both switches are open, turning the encoder either clockwise or counterclockwise one position will cause both switches to close. Determining which switch changed states first is how the direction of rotation is determined. If A changed states first, the switch is rotating in a clockwise direction. If B changed states first, the switch is rotating in a counter clockwise direction. Features:Working voltage: 5VPulses per 360 degree revolution: 20Push button shaft On/Off switchThreaded shaft for panel mounting, also 2 mounting screw holes on the circuit boardStandard "D" shaft, you can purchase knobs to give it a finished lookSize: 2.5 x 1.8 x 2.8 cm (L x W x H)KY-040 Pin Outs:CLK: Encoder Pin ADT: Encoder Pin BSW: Pushbutton On/Off Switch+: +5V DC Power SupplyGND: Ground (Encoder Pin C)Package Includes:1X KY-040 Rotary Encode ModuleLocking Nut and WasherGet it faster! We ship in 1 business day from our US facility in Colorado for quick delivery.BEST OFFERS are considered for more than 1 piece only.Contact us for quantity/OEM pricing.Expand your DIY and Arduino-compatible development with these other Arduino-compatible development boards, shields and modules from Envistia Mall.We provide FREE USPS First Class Shipping with Tracking - Not Economy Shipping

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