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2812-POLOLU Big Pushbutton Power Switch with Reverse Voltage Protection, MP
US$7.66
The Pololu Pushbutton Power Switches are sophisticated power control alternatives to bulky mechanical switches. The main function is pushbutton-based latching power control, where one push turns on power and another push turns it off. Additional control inputs allow advanced applications such as automatic shutdown by the device being powered. This MP version operates from 4.5 V to 40 V and can deliver continuous currents up to around 8 A.
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2991-POLOLU G2 High-Power Motor Driver 18v17
US$74.92
This discrete MOSFET H-bridge motor driver enables bidirectional control of one high-power DC brushed motor. The small 1.3″ × 0.8″ board supports a wide 6.5 V to 30 V voltage range and is efficient enough to deliver a continuous 17 A without a heat sink. Additional features of this second-generation (G2) driver include reverse-voltage protection along with basic current sensing and current limiting functionality.
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2995-POLOLU G2 High-Power Motor Driver 24v21
US$83.94
This discrete MOSFET H-bridge motor driver enables bidirectional control of one high-power DC brushed motor. The small 1.3″ × 0.8″ board supports a wide 6.5 V to 40 V voltage range and is efficient enough to deliver a continuous 21 A without a heat sink. Additional features of this second-generation (G2) driver include reverse-voltage protection along with basic current sensing and current limiting functionality.
Delivery within 2-3 weeks
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2994-POLOLU G2 High-Power Motor Driver 18v25
US$89.92
This discrete MOSFET H-bridge motor driver enables bidirectional control of one high-power DC brushed motor. The small 1.3″ × 0.8″ board supports a wide 6.5 V to 30 V voltage range and is efficient enough to deliver a continuous 25 A without a heat sink. Additional features of this second-generation (G2) driver include reverse-voltage protection along with basic current sensing and current limiting functionality.
Delivery within 2-3 weeks
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R12-17D3-12P Relay, 4PDT,12VDC 3A, Through hole, Non latching
US$13.93
Standard general use 4PDT relay, triggered by 12V and getting a maximum of 3A at 110VAC, or 3A at 30VDC.
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DS1E-S-DC5V Relay, SPDT, 5 VDC, 2 A, Through Hole, Non Latching
US$4.13
Standard general use SPDT relay, triggered by 5V and getting a maximum of 0.6A at 110VAC, or 2A at 30VDC.
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RM-1 ONE CHANNEL RELAY MODULE 5V
US$4.09
Ready to use 10 Amp Relay Module for your Arduino projects. Opto-Coupler input signal protection. Jumper selectable high or low input control. Easy to connect terminal blocks for power input and relay output. Status LED’s for Power In and Relay Operation.
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SEC-100 Magnetic Door Sensor – Reed Switch (Normally Closed)
US$1.77
Reed switch stays closed normally, and opens when magnet is moved away beyond the trigger distance. Ideal for door/drawer open-detection. Specs:...
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VEL-VM204 ETHERNET RELAY CARD, WMRC204
US$152.25
VM204 is an Ethernet controlled board with 4 relay outputs, 4 digital inputs and 1 analogue input. It can send e-mail notifications when the status of an input changes and features an embedded webserver. Free apps are available for Android® and iOS®.
Delivery within 2-3 weeks
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AZ943-1CH-12DE 12VDC SPDT Relay, 10A, Fully Sealed, Through-Hole Mount.
US$2.79

AZ943-1CH-12DE 12VDC SPDT Relay, 10A, Fully Sealed, Through-Hole Mount.

The AZ943-1CH-12DE is a 12VDC SPDT relay rated for 10A, offering fast switching, sealed protection, and dependable performance for control, industrial, and automation applications.

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FIT0455-R Self Locking Lamp Press Button- Red
US$5.78
This button locks and lights up when pushed. It’s perfect for DIY projects which require a button and it’s easy to mount in any kind of enclosure. It has a coloured plastic cover with a black base. The included LED has a built in resistor which allows it to support a voltage range from 5V~12V. With a mechanical lifetime of 5 million pushes, it is safe and reliable.
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FIT0455-G Self Locking Lamp Press Button - Green
US$5.78
This button locks and lights up when pushed. It’s perfect for DIY projects which require a button and it’s easy to mount in any kind of enclosure. It has a coloured plastic cover with a black base. The included LED has a built in resistor which allows it to support a voltage range from 5V~12V. With a mechanical lifetime of 5 million pushes, it is safe and reliable.
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FIT0455-Y Self Locking Lamp Press Button -Yellow
US$5.78
This button locks and lights up when pushed. It’s perfect for DIY projects which require a button and it’s easy to mount in any kind of enclosure. It has a coloured plastic cover with a black base. The included LED has a built in resistor which allows it to support a voltage range from 5V~12V. With a mechanical lifetime of 5 million pushes, it is safe and reliable.
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FIT0455-W Self Locking Lamp Press Button- White
US$5.78
This button locks and lights up when pushed. It’s perfect for DIY projects which require a button and it’s easy to mount in any kind of enclosure. It has a coloured plastic cover with a black base. The included LED has a built in resistor which allows it to support a voltage range from 5V~12V. With a mechanical lifetime of 5 million pushes, it is safe and reliable.
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FIT0455-B Self Locking Lamp Press Button-Blue
US$5.78
This button locks and lights up when pushed. It’s perfect for DIY projects which require a button and it’s easy to mount in any kind of enclosure. It has a coloured plastic cover with a black base. The included LED has a built in resistor which allows it to support a voltage range from 5V~12V. With a mechanical lifetime of 5 million pushes, it is safe and reliable.
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172 - 186
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188 - 202