NEW PRODUCTS – Tower Lights – Red Yellow Green Alert Light with Buzzer – 12VDC / Red Alert Light with Buzzer – 12VDC

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NEW PRODUCTS – Tower Lights – Red Yellow Green Alert Light with Buzzer – 12VDC / Red Alert Light with Buzzer – 12VDC


THE REACTOR’S MELTING DOWN! GRAB THE FUEL CORE, JENNA, AND EVACUATE THE COMMAND CENTER! With these flexible Red and Red-Yellow-Green Alert Lights, you can monitor the status of a project, machine, or even if the bathroom is occupied!

We got some really nice tower lights here, first up they come in slimming Adafruit black, they’re easy to attach with mounting holes, and you can rotate the light mount so it can be horizontal, vertical or any angle in between (180 rotation).

Alert tower lights are really easy to use. The brown wire is the common +12V power line, then the other wires are connected to ground to activate the LED light or buzzer. The red wire controls the red LED light and the orange wire is what controls the buzzer which will sound continuously when the wire is grounded.

Note: Shipping weight reflects UPS’ new dimensional weight regulations.


This is the tri-color version alert light

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You will need a 12VDC power supply to get it going, the one that we carry will do well for fixed installations. If you are using this with a 3V or 5V microcontroller or computer, use 4 x NPN transistors or N-channel mosfets to sink current from each wire. Our guide on analog LED strips is pretty much the same wiring you need, except its only about 50mA per segment. If you desperately need something that can run off of 5V you might consider wiring up your own white LEDs instead of using the LEDs that come with it.

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In stock and shipping now!


This is the one color version – Red

You will need a 12VDC power supply to get it going, the one that we carry will do well for fixed installations. If you are using this with a 3V or 5V microcontroller or computer, use 2 x NPN transistors or N-channel mosfets to sink current from each wire. Our guide on analog LED strips is pretty much the same wiring you need, except its only about 50mA per segment. If you desperately need something that can run off of 5V you might consider wiring up your own white LEDs instead of using the LEDs that come with it.

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In stock and shipping now!


8-6-2021 (August 6, 2021) is the Snakiest day of the year and it’s also this year’s CircuitPython Day! The day highlights all things CircuitPython and Python on Hardware. See you there!

Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

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