Breakout boards & modules
See also:
Shields
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4051 8-channel analog multiplexer/demultiplexer breakout board
With this 74HC4051 chip you have 8 input/output ports at your disposal. You connect it to 3 ports of your Arduino. Then you can control or read the 16 ports. For example, you can control 8 LEDs or read 8 input values at the same time.
Check out the website link for a tutorial. In stock -
4067 16-channel analog multiplexer/demultiplexer breakout board
With this 74HC4067 chip you have 16 input/output ports at your disposal. You connect it to 3 ports of your Arduino. Then you can control or read the 16 ports. For example, you can control 16 LEDs or read 16 input values at the same time.
Attention! This board is delivered without header pins.
Check out the website link for a tutorial. In stock -
AD9833 Programmable low-power signal generator
The AD9833 is a low power programmable waveform generator capable of producing sine, triangle and square wave outputs.
Check the website link for a compatible Arduino library. In stock -
ADC ADS1115 16-Bit breakout - 4 channel with programmable amplifier
With an ADC (analog digital converter) you convert an analog signal into a digital signal that you can read with a microprocessor. For example, the voltage of a sensor or a battery voltage that you want to read.
The ADS1015 ADC has a resolution of 12bits which makes it possible to measure a voltage in millivolts. If a signal is very low you can in... In stock -
ADC ADS1115 16-Bit breakout - 4 channel with programmable amplifier
With an ADC (analog digital converter) you convert an analog signal into a digital signal that you can read with a microprocessor. For example, the voltage of a sensor or a battery voltage that you want to read.
The ADS1015 ADC has a resolution of 12bits which makes it possible to measure a voltage in millivolts. If a signal is very low you can in... -
Breakout board for A4988/DRV8825 stepper motor drivers
This item is a breakout/adapter board for the A4988/DRV8825 stepper motor driver. It has a number of connectors that allow easy interfacing of stepper motor, power and control signals to the driver module.
Header connections are provided to allow for easy insertion and removal of the driver module from the breakout board.
Standard 0.1 inch headers ... In stock -
Clock generator - Si5351A Breakout - 8KHz to 160MHz - Adafruit 2045
Never hunt around for another crystal again, with the Si5351A clock generator breakout from Adafruit! This chip has a precision 25MHz crystal reference and internal PLL and dividers so it can generate just about any frequency, from
Adafruit Part number: 2045
In stock
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Comparator module LM393
A comparator module based on an LM393.
By means of the adjustable resistor you can control at which voltage the digital signal goes from 0 to 1 (an LED on the board will then also light up).
With 2 pins for input voltage and 4 pins with VCC, GND, AO (analog out), DO (digital out (on/off).
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DAC MCP4725 breakout board 12bit I2C GY-4725
With a DAC (digital to analog converter) you convert a digital signal into an analog signal.
For example, you can create all kinds of signals with your Arduino.
Resolution: 12 bit
Interface: I2C
Power supply: 2.7V - 5.5V
Although this is not an Adafruit item, it is compatible with the Adafruit MCP4725 library. -
Ethernet/LAN network breakout board/module ENC28J60
Connect your Arduino to your local network and the internet with this shield!
- Works on 3.3 Volts (from your Arduino).
- Ethernet controller: ENC28J60.
- Connection speed: 10/100Mb
- Connection to your Arduino via SPI (see pinout table)
- Easy to use with the EtherCard library with programming examples. (See: https://github.com/jcw/ethercard ) In stock -
I/O Expander Board PCF8574 8-bit I2C
The PCF8574 IO expansion board is used as a remote 8-bit I/O expander for the I2C bus. Up to 8 boards can be connected to the I2C bus, creating 64 I/O ports.
The board has an I2C pin header on one side and a connector on the other side. This makes it very flexible to expand by connecting multiple modules together.
So per board you have 8 input/ou... In stock -
I/O Expander Board SX1509 16 Channel I2C
Running out of I/O ports? No problem! The SX1509 Breakout is a 16-channel GPIO expander with an I2C interface - that means your microcontroller can communicate with 16 fully configurable digital input/output pins using just two wires.
But the SX1509 can do so much more than just simple digital pin control. It can output PWM signals, so you can dim ... In stock -
I/O Port Expander Board IC MCP23017 16-Bit I2C
Add 16 pins to your microcontroller with this MCP23017 port expander. The MCP23017 uses 2 I2C pins (which can be shared with other I2C devices) and in return you get 16 extra multifunctional pins. You can set each pin as an input, output, input with pull-up or open drain. You can even connect an interrupt signal so that your microcontroller gets a ...
In stock
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I2C Non-Volatile FRAM Breakout - 256Kbit / 32KByte - Adafruit 1895
FRAM, or Ferroelectric Ram is similar to Dynamic random-access memory, only with a ferroelectric layer instead of a dielectric layer. This gives it stable handling (the bytes you write are non-volatile) with dynamic responsiveness (you can write them very fast!)
Now, with our I2C FRAM breakout board you can add some FRAM storage to your next DIY p... Adafruit Part number: 1895 In stock -
IC TCA9548A I2C Multiplexer - Adafruit 2717 breakout board
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 fixed I2C address, and from what I know about I2C, you cannot have two devices with the same address on the same SDA/SCL pins!" Are you out of luck? You would be, if you didn't have this ultra-cool TCA...
Adafruit Part number: 2717
In stock
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Joystick breakout board DR811
Joystick board with readout of X and Y axes. The joystick also functions as a push button.
Outputs: X, Y and KEY.
Apply a 5V supply voltage to Vcc and X will output 2.5V in neutral position. In the extreme upper and lower positions 0V and 5V respectively.
The joystick has internal resistors of 10K Ohm.
In stock -
Logic Level Shifter 4-channel bidirectional
This small logic level shifter has 4 bidirectional channels, which allows you to safely and easily communicate between two devices operating at different logic levels. It can convert signals from as low as 1.5V to as high as 18V and vice versa. Its four channels support most common bidirectional and unidirectional digital interfaces, including I2C,...
In stock
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Logic Level Shifter 4-channel bidirectional - Pololu 2595
This small logic level shifter has 4 bidirectional channels, which allows you to safely and easily communicate between two devices operating at different logic levels. It can convert signals from as low as 1.5V to as high as 18V and vice versa. Its four channels support most common bidirectional and unidirectional digital interfaces, including I2C,...
In stock
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Logic Level Shifter 8-channel bidirectional
This logic level shifter has 8 bidirectional channels, which allow secure and easy communication between 2 devices operating at different logic levels.
It can convert signals from as low as 1.5V to as high as 6V and vice versa.
Its eight channels support the most common bidirectional and unidirectional digital interfaces, including I2C, SPI and asy... In stock -
Logic Level converter/shifter I2C 5-3V
Converts 5 Volt (I2C) signals to 3 Volt sensors.
In stock
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Logic Level converter/shifter I2C 5-3V
Converts 5 Volt I2C signals to 3 Volt sensors.
AVCC connect to 5V system power.
ASCL connect to 5V system SCL.
ASDA connect to 5V system SDA.
AGND connect to 5V system GND.
BVCC connect to 3V system power.
BSCL connect to 3V system SCL.
BSDA connect to 3V systems SDA.
BGND connect to 3V system GND. -
Motor driver module L298N Dual H-Bridge
For controlling 2 DC motors up to 35V / 2A.
This module has a built-in 5V power supply. With a supply voltage of 7V to 35V it is suitable for external equipment. Do not connect a 5V power supply to the 5V pin!
When ENA is high, IN1 and IN2 drive the outputs OUT1 and OUT2.
When ENB is high, IN3 and IN4 drive the outputs OUT3 and OUT4.
See here how... In stock -
Real Time Clock/ RTC DS1302 - clock breakout board/module
A clock for your Arduino! With this module your Arduino always has the correct time and date, even when the power goes out.
Because the clock has its own battery it will always keep running. Up to 7 years on 1 battery!
The DS1302 communicates with the Arduino using a "3-wire interface" (CE, I/O, SCLK).
Dimensions: 2.9 x 2.6cm
Battery re... In stock -
Real Time Clock/ RTC DS3231 / AT24C32 I2C - clock breakout board/module
A clock for your Arduino! With this module your Arduino always has the correct time and date, even when the power goes out.
Because the clock has its own battery it will always keep running. Up to 7 years on 1 battery!
The clock is connected via the I2C bus. So simply connect the power supply, SDA and SCL to your Arduino, run the code and you are ... In stock -
Real Time Clock/ RTC DS3231 I2C - clock breakout board/module
Adafruit 3013.
The datasheet for the DS3231 explains that this part is an "Extremely Accurate I²C-Integrated RTC/TCXO/Crystal". And, hey, it does exactly what it says on the tin! This Real Time Clock (RTC) is the most precise you can get in a small, low power package.
Most RTCs use an external 32kHz timing crystal that is used to keep t... Adafruit Part number: 3013 In stock -
Real Time Clock/RTC DS1307 I2C - Grove
The Grove RTC module is based on the clock chip DS1307, which supports the I2C protocol. It utilizes a Lithium cell battery (CR1225).
The clock/calendar provides seconds, minutes, hours, day, date, month, and year. The end of the month date is automatically adjusted for months with fewer than 31 days, including corrections for leap years.
The clo... In stock -
Real Time Clock/RTC DS1307 I2C - clock breakout board/module
A clock for your Arduino! With this module your Arduino always has the correct time and date, even when the power goes out.
Because the clock has its own battery it will always keep running. Up to 7 years on 1 battery!
The clock is connected via the I2C bus. So simply connect the power supply, SDA and SCL to your Arduino, run the code and you are ... In stock -
SD Card Reader breakout board/module SPI
This Arduino SD Card module is a simple solution to read/write data from/to a standard SD card.
The pinout is directly compatible with the Arduino but this module can also be used with other microcontrollers.
This allows you to add mass storage and data logging to your project.
Suitable for SD and SDHC cards (not included).
Easy to connect accor... In stock -
SD Card Reader breakout board/module SPI MicroSD
MicroSD card read/writer with SPI (MISO/MOSI) interface. Can be connected directly to an Arduino because the 5V signals are made suitable for the 3.3V SD card onboard.
PCB dimensions: 38mm x 18mm x 1.6mm
Two mounting holes, 2.2mm in diameter
Compatible with 3.3V and 5V supply voltage. In stock -
SD Card Reader/Card Reader Breakout Board/Module SPI Mini
This mini SD Card module is a simple solution for reading/writing data from/to a microSD card (up to 2GB).
The pinout is directly compatible with the Arduino, but this module can also be used with other microcontrollers.
This allows you to add mass storage and data logging to your project.
Suitable for SD and SDHC cards (not included).
Easy to c... In stock -
Serial EEPROM IC 24C256 memory 256KB / 32Kb I2C on breakout board
EEPROM stands for 'electrically erasable programmable read only memory'. It is a secondary storage device that retains the data once written, even after the power has been switched off. This makes this EEPROM ideal for storing additional data in your project. For example, measured values or settings that have been made.
This EEPROM has a 2-wire I2C... In stock -
Thermocouple amplifier MAX31855 breakout board SPI v2.0
Breakout board using the MAX31855 amplifier chip to facilitate reading of type K thermocouples.
Thermocouples are very sensitive and therefore need a good amplifier. The MAX31855K does everything for you and can easily be interfaced with any microcontroller, even if it doesn't have analog input. This breakout board contains the chip itself, a ... Adafruit Part number: 269 -
WiiChuck NunChuck adapter
Adapter for easily connecting a Wii NunChuck to an Arduino.
This means you don't need to modify anything on the NunChuck. Simply plug the adapter into the NunChuck and the header pins into the Arduino.
Check out the website link for more information on connecting and a library. In stock
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