ICs and Microchips

SKU: SF-BOB-12009 | Brand: SparkFun

The SparkFun Bi-Directional Logic Level Converter safely translates signals between different voltage levels — stepping 5V down to 3.3V and 3.3V up to 5V on the same channel. It also works with 2.8V and 1.8V devices, ...

SKU: SF-BOB-09056 | Brand: SparkFun

A breakout board for the CD74HC4067 16-channel analogue/digital multiplexer/demultiplexer. This IC internally routes a common signal pin (SIG) to one of 16 channel pins, working with both analogue and digital signals ...

SKU: AF-1875 | Brand: Adafruit

Because the Arduino (and Basic Stamp) are 5V devices, and most modern sensors, displays, flash cards and modes are 3.3V-only, many makers find that they need to perform level shifting/conversion to protect the 3.3V de...

SKU: SF-BOB-09118 | Brand: SparkFun

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 h...

SKU: SF-BOB-13906 | Brand: SparkFun

The SparkFun Multiplexer Breakout provides access to all pins and features of the 74HC4051, an 8-channel analog multiplexer/demultiplexer. The 74HC4051 allows you to turn four I/O pins into eight multifunctional, indi...

SKU: AF-5611 | Brand: Adafruit

The Adafruit PCF8575 GPIO Expander Breakout is an affordable 16-channel I2C GPIO expander that doubles your available digital I/O over a simple two-wire connection. Add extra buttons, LEDs, relays, or other digital pe...

SKU: DF-FIT0850 | Brand: DFRobot

This NPN to PNP signal converter module bridges the gap when your sensor outputs an NPN signal but your controller or PLC expects a PNP input. Simply wire it inline between the sensor and the controller to convert the...

SKU: AF-4886 | Brand: Adafruit

The Adafruit AW9523 GPIO Expander and LED Driver Breakout adds 16 I/O pins to any I2C-capable microcontroller or single-board computer. What sets this expander apart is its built-in 256-step linear constant-current LE...

SKU: SF-COM-23979 | Brand: SparkFun

Does your microcontroller need to control a high-voltage item, like a 12V LED strip, while also needing to be powered? Do you want to avoid having multiple power adapters and microcontrollers for your project? The MOS...

SKU: SF-PRT-14765 | Brand: SparkFun

The SparkFun Single Supply Logic Level Converter is logic level and power supply translator in one small package. This little board breaks out the Texas Instruments TXB0104 4-bit bi-directional voltage-level tran...

SKU: SF-BOB-11771 | Brand: SparkFun

This is a breakout board for the Texas Instruments TXB0104 module. The TXB0104 is a 4-bit bidirectional voltage-level translator with automatic direction sensing. This 4-bit noninverting translator uses two separate...

SKU: SF-PRT-11214 | Brand: SparkFun

MOSFETs are awesome. They’re like a switch that you flip electronically! This SparkFun MOSFET Power Controller makes it easy to switch a battery supply on and off using your favorite microcontroller. The board also ha...

SKU: SF-COM-10468 | Brand: SparkFun

The MSGEQ7 is a CMOS graphic equaliser IC that divides the audio spectrum into seven frequency bands: 63 Hz, 160 Hz, 400 Hz, 1 kHz, 2.5 kHz, 6.25 kHz, and 16 kHz. Each band is peak-detected and multiplexed to provide ...

SKU: AF-5545 | Brand: Adafruit

The Adafruit PCF8574 GPIO Expander Breakout is an affordable 8-channel I2C GPIO expander that adds extra digital I/O to any microcontroller project. Simply connect over I2C and control up to 8 additional pins for butt...

SKU: DF-DFR0844 | Brand: DFRobot

After purchasing an open-source product that is not electrical level compatible, you may find that your sensor cannot work normally or even is easy to be damaged because the level of the sensor and your controller are...

SKU: DF-DFR0843 | Brand: DFRobot

After purchasing an open-source product that is not electrical level compatible, you may find that your sensor cannot work normally or even is easy to be damaged because the level of the sensor and your controller are...

SKU: SF-COM-26191 | Brand: SparkFun

The RP2040 is Raspberry Pi’s debut microcontroller silicon, bringing the familiar Raspberry Pi focus on performance, low cost and ease of use into embedded designs.It combines a symmetric dual-core processor complex, ...

SKU: SF-COM-29062 | Brand: SparkFun

The RP2350A is a next-generation Raspberry Pi microcontroller IC designed for high-performance embedded projects, custom PCBs and compact connected devices. It builds on the RP2040 with a selectable dual-core, dual-ar...

SKU: SF-COM-19582 | Brand: SparkFun

The ATtiny84A is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. It is suited to compact embedded projects where you need a small AVR controller with flexible I/O and low-voltage op...

SKU: SF-COM-26983 | Brand: SparkFun

This highly integrated Espressif Wi-Fi system-on-chip is designed for compact Internet of Things hardware that needs reliable 2.4GHz wireless networking with efficient power usage.The ESP8266EX can run as a standalone...