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This is a simple water level sensor with an on/off switch.  It works like the float in your toilet, when the water level rises, the float rises and...

A beautifully modern Mood Light that'll look great on your bedside table, bookcase, or desk, and it's internet-connected! Updated version! Our Mood...

The VL53L0X is a Time of Flight distance sensor like no other you've used! The sensor contains a very tiny invisible laser source, and a matching s...

Is your house haunted? Or, rather, are you convinced that your house is haunted but have never been able to prove it since you've never had a camer...

The A-Star 32U4 Mini LV is a programmable module based on the ATmega32U4 from Atmel. Unlike competing products, it has an onboard switching step-up...

Heat shrink is the duct tape of electronics, it keeps your stuff all safe and kept together. Especially when wiring and soldering, use heat shrink ...

We have some great waterproof and weather-proof items in the shop, but once you have a project built, you'll want to enclose it. But how to keep an...

Make your own USB connections without slicing apart a USB cable and soldering those thin wires inside. This is the 'slim' version of the DIY MicroB...

This is just about the cutest, tiniest little micro servo we could find, even smaller than the 9 gram micro servos we love so much.  It can rotate ...

You just found the perfect I2C sensor, and you want to wire up two or three or more of them to your Arduino when you realize "Uh oh, this chip has ...

A Feather board without ambition is a Feather board without FeatherWings! This is the FeatherWing OLED: it adds a 128x32 monochrome OLED plus 3 use...

This 4" / 100mm long flexible uFL 2.4GHz antenna has approx 4DBi gain and a 50Ω impedance so it will work fantastically with just about any 2.4-2.5...

Have you gazed longingly at large TFT displays - you know what I'm talking about here, 4", 5" or 7" TFTs with up to 800x480 pixels. Then you look ...

This 5.0" TFT screen has lots of pixels, 800x480 to be exact, an LED backlight and a resistive touchscreen overlay. Its great for when you need a ...

What's better than a single LED? Lots of LEDs! A fun way to make a small display is to use an 8x8 matrix or a 4-digit 7-segment display. Matrices l...

his prototyping shield is the best out there (well, we think so, at least), and now is even better with Version R3 - updated for the most compatibi...

Adafruit took their popular Adafruit PN532 breakout board and turned it into a shield - the perfect tool for any 13.56MHz RFID or NFC application. ...

A tiny, tightly-packed matrix of 77 individually-controllable bright white LEDs. Ideal for scrolling text, animations, bar graphs, or just general...