Many microchips these days are only available in a SMD (Surface Mount Device) packages. These chips have very tiny legs that are very close together making them super difficult to individually solder. The leg spacing and orientation also means that the chips can not be put in a breadboard for experimentation.
A breakout board is a basic printed circuit board PCB that has the surface mount chip soldered on and some or all of the pins connected to more easily accessible solder points or holes.
In addition the breakout board may include a few little passive components like resistors or capacitors to support the main microchip so you don't need to add them.
Code: SKU-003723
The SparkFun Multiplexer Breakout provides access to all pins and features of the 74HC4051, an 8-channel analogue multiplexer/demultiplexer. More Details...
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Code: SKU-000505
This is a simple Op Amp breakout board, set up as a 2-stage amplifier with a gain of 100 (gain of 10 for each stage). The on-board trim pot sets the signal level between the stages, not the feedback path. More Details...
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Code: SKU-002198
The SparkFun OpenLog data logger works over a simple TTL serial connection to log data to microSD cards up to 64GB. That's a lot of storage! The board works up to 115200bps and has indicator LEDs so you know what is going on. More Details...
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Code: SKU-000325
This is a board designed for opto-isolation . This board is helpful for connecting digital systems (like a 5V microcontroller) to a high-voltage or noisy system. This board electrically isolates a controller from the high-power system by use of an opto-isolator IC. More Details...
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Code: SKU-000381
This is the bare breakout PCB for the GP1A57HR photo interrupter which will detect objects that block the light between its uprights. The board has connections for power, ground and signal. The photo interrupter and resistors are not included. See the related products below. More Details...
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Code: SKU-005342
The SparkFun Proximity Sensor Breakout is a simple IR presence and ambient light sensor utilising the VCNL4040. This type of sensor is often seen in automatic towel and soap dispensers or automatic faucets. More Details...
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Code: SKU-005336
The SparkFun Qwiic OpenLog is the smarter and better looking cousin to the extremely popular OpenLog but now we've ported the original serial based interface to I 2 C! Thanks to the added Qwiic connectors, you can daisy chain multiple I 2 C devices and log them all without taking up your serial p... More Details...
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Code: SKU-004702
Get with the times, already! This SparkFun Real Time Clock (RTC) Module is a Qwiic-enabled breakout board for the RV-1805 chipset. The RTC is ultra-low power (running at only about 22nA in its lowest power setting) so it can use a supercapacitor for backup power instead of a normal battery. More Details...
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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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