Compact microcontroller boards that fit into textiles or tiny enclosures give projects a programmable core without adding bulk, while USB‑based AVR programmers let firmware be loaded quickly from a PC. Simple two‑pin pigtail connectors provide reliable, solder‑free links to LED strips or other low‑signal lines, and slide switches offer straightforward on/off control for LEDs, buzzers or sensors. Integrated inertial‑measurement units with a standard I²C‑compatible interface deliver nine‑axis data for motion‑aware applications, and single‑output constant‑current LED drivers enable precise dimming of high‑power LEDs via PWM or analogue voltage. Low‑profile stepper drivers and 3.3 V Arduino‑compatible boards round out the range, giving developers flexible, dependable parts that slot into a wide variety of wearable, battery‑powered and automation projects.
Code: SKU-000108
RJ45 connectors are the kind that are used for Ethernet jacks but they make great general purpose connectors when you need a lot of conductors. This is a small PCB that brings out the pins of the RJ45 connector to an in-line 0.1" footprint. More Details...
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Code: SKU-001109
This is a clever little breakout board for both the RGB and R/G illuminated rotary encoders. On one side it breaks out all of the RGB pins to standard breadboard friendly 0.1" headers. More Details...
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Code: SKU-002001
The SparkFun Rotary Switch Potentiometer Breakout is a small board the allows you to add resistors to a 10-position rotary switch turning it into a potentiometer with 10 discrete steps. More Details...
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Code: SKU-005243
The modern alternative to FTDI! This USB-to-Serial adaptor features the CH340C chip, a reversible USB-C connector, and up to 1.5A power delivery. More Details...
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Code: SKU-003923
This CH340G breakout is the budget board with muscle, featuring selectable 3.3V/5V logic and a 600mA regulator, making it capable of powering WiFi modules directly. More Details...
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Code: SKU-002015
Control a hobby servo's start/stop positions and transition speed using simple on-board dials and a switch trigger—no programming required. More Details...
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Code: SKU-002299
Control a continuous rotation servo's speed, direction, and ramp time using simple on-board dials and a switch trigger—no programming required. More Details...
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Code: SKU-000754
This is a breakout for the SOIC version of the 74HC595 shift register IC. Clock in data and latch it to free up IO pins on your micro. All pins from the IC are broken out to standard 0.1" spaced headers. More Details...
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Code: SKU-000717
This is the latest version of our popular through-hole Simon Says Kit. We've made some changes to the board that should make it easier than ever for the beginner to build! All components are through-hole making this kit a great place to start when you're learning to solder. More Details...
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Code: SKU-001789
The AD8232 SparkFun Single Lead Heart Rate Monitor is a cost-effective board used to measure the electrical activity of the heart. More Details...
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