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Add a bunch of high-power outputs to a microcontroller system with chainable shift registers. These chips take a serial input (SPI) of 1 byte (8 bi...

Put a voltage meter anywhere with this very handy display. These are often used by RC hobbyists for keeping track of batteries but we thought it...

This is a really nice power supply. It's a switching DC supply so its small and light and efficient. It is thin so it fits in power strips without ...

This is a 3-terminal microswitch two pack, each equipped with a 17mm lever actuator. These switches have a great ‘clicky’ sound to them with a n...

An OLED display works without a backlight. Thus, it can display deep black levels and can bethinner and lighter than a liquid crystal display...

Who doesn’t love the soft glow of electroluminescence? This EL panel is a flexible plastic sheet which contains a phosphor layer and lights up with...

This is the SparkFun BLE Mate 2, an efficient and reliable Bluetooth 4.0 development board. The BLE Mate 2 closely resembles a breakout board, i...

This is the PICAXE-14M2 microcontroller chip. PICAXE is a neat entry-level microcontroller system that is relatively cheap to get started with...

Do you need a solution for home automation, hydroponics, light industrial automation, and other related predicaments? Take control of and monito...

This is the PICAXE-20M2 microcontroller chip.PICAXE is a neat entry-level microcontroller system that is relatively cheap to get started with. The ...

This collaboration with BubbleSort Zines! is a kit that will help you connect a toy bird (or any animal you want, really) to your Twitter app us...

This is a great battery-backed real time clock (RTC) that allows your microcontroller project to keep track of time even if it is reprogrammed, ...

We understand that small part tend to get lost or damaged easily. These Panel Mount Nuts are handy replacement units that fit most of our panel mou...

A solid state relay (SSR) allows you to control high-curent AC loads from lower voltage DC control circuitry. Solid state relays have several advan...

Keep your components separated with this 25-pack of 12mm-long (0.47") nylon spacers. These spacers have an outer diameter (OD) of 5 mm (0.20") and ...

Who doesn’t love the soft glow of electroluminescence? This EL panel is a flexible plastic sheet which contains a phosphor layer and lights up with...

Wireless charging uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy ...

The eTape Liquid Level Sensor is a solid-state sensor with a resistive output that varies with the level of the fluid. It does away with clunky mec...

The eTape Liquid Level Sensor is a solid-state sensor with a resistive output that varies with the level of the fluid. It does away with clunky mec...

This is a great battery-backed real time clock (RTC) that allows your microcontroller project to keep track of time even if it is reprogrammed, ...

Keep your components separated with this 25-pack of 10mm-long (0.39") nylon spacers. These spacers have an outer diameter (OD) of 5 mm (0.20") and ...

You can solder! Adafruit offers a fun and exciting "badges" of achievement for electronics, science and engineering. We believe everyone shou...

Wifi Bee-ESP8266 is a Serial-to-WIFI module using XBEE design in a compact size, compatible with XBEE slot, applicable to a variety of 3.3V s...

EL tape is the big sister to EL wire - it has the same glow effect but with a flat, wide shape instead of a round shape. The glowing part of the...