Electromechanical

US$23.73

This has a heavy duty 12V, 1.5Amp motor and a tough thermoplastic body. It's totally submersible and water-cooled (but it won't burn out if run dry). Use this pump to make a fountain or waterfall, even water your plants! The 3/4" connection will accept a 19mm ID hose. It comes pre-terminated with heavy gauge unterminated 3ft long wire leads.

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US$10.69

This pan/tilt bracket consists of two brackets and all the hardware you need to attach them to make a pan/tilt mechanism using two servo motors.

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US$29.98
Features: 12V motor, 12W operation, Working range: 9LPM to 15LPM, CE Certification, Attainable Vacuum : 70KPA, Maximum pressure : 150 KPA, 0-16" Hg vacuum range, Life: 500 hours, Function: Duty circle when pumping air, Continously working hour: 5 hours.
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US$4.82
This is a massive single pole - double throw (SPDT) sealed relay. This means that when current is applied to the coil it throws a simple changeover switch, terminating the connection from the NC contact to ground and closing the NO contact. Use them to switch high voltage/high current devices.
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US$7.87

This smaller solenoid is designed to work directly with 5V which makes it a great match for embedded projects.

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US$3.00

This is a carbon fiber safety cover protects a toggle switch from accidentally being turned on.

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US$6.29

Features: 1.97" square x 0.21" thick (50 x 50 x 5.3mm). 0.4 watt max operation at 8 ohms. Frequency: 500Hz - 8kHz. 10% distortion at 2kHz. Stainless steel diaphragm. Solder type connections.

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US$1.33

This 0.5W, 8Ohm speaker is only 40mm in diameter and just over 4mm thick. If you want to get some sound out of your project but have a tight space budget, this is a good way to do it.

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US$5.53
This encoder is especially cool because it has a common anode RGB LED built in, as well as a push-button.
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US$6.29
This encoder is especially cool because it has a common anode RGB LED built in, as well as a push-button.
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US$2.63
Piezo Speakers are used for making beeps, tones and alerts. This one is petite but loud! Drive it with 3-30V peak-to-peak square wave.
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US$8.33
This is a 28 pin dip 16 channel PWM unit with 12 bit duty cycle control (0 - 4095), 6 bit current limit control (0 - 63), and a daisy chainable serial interface.
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US$7.43
This rotary encoder is the best of the best. It is a high quality 24-pulse encoder, with detents and a nice feel. It is panel mountable for placement in a box, or you can plug it into a breadboard (just cut/bend the two mechanical side tabs.) We also include a nice soft-touch knob with an arrow in it, fits perfectly and looks great.
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US$6.85

This is a 12-step rotary encoder with a nice 'clicking' feel. It's breadboard friendly, and has a pretty handy select switch (by pushing in on the knob). The encoder is different from a potentiometer in that an encoder has full rotation without limits. 

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US$3.95
This small key switch is ideal for projects that require a secure power ON/OFF function. With only 14.5mm diameter front bezel it does not take up much space on your panel. On/Off positions are clearly marked with a green dot for ON and red dot for OFF. Locking action is very positive with a push and rotate requirement to move positions. The switch is perfect for small professional looking projects.
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