ICs and Microchips
Shop integrated circuits and microchips for your next electronics project. Our range includes timer ICs, logic gates, voltage regulators, op-amps, ADCs, and level shifters — essential building blocks for hobbyist, STEM, and professional designs.
Whether you're learning digital logic, building a power supply, or prototyping a sensor circuit, you'll find the right IC here. Fast shipping across Australia from our local warehouse.
Schmitt Trigger - CD40106B
SKU: SF-COM-13952 | Brand: SparkFun
The CD40106BE consists of six Schmitt-trigger circuits. Each circuit functions as an inverter with Schmitt-trigger action on the input. The trigger switches at different points for positive- and negative-going signals...
Delivered by Fri 12 Jun
Dual Digital Potentiometer (100K) (Pre-Order)
SKU: DF-DFR0520 | Brand: DFRobot
Digital potentiometer is also called "Digital Pot" in short. It is a kind of mixed signal IC, which is able to dynamically change the internal resistors through MCU like Arduino. It can be applied to applications suc...
Delivered by Tue 23 Jun
SparkFun Multiplexer Breakout - 8 Channel (74HC4051)
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...
Delivered by Fri 12 Jun
RS232 Converter SMD - MAX3232
SKU: SF-COM-00589 | Brand: SparkFun
The ‘must have’ IC for 3V projects. This is the RS232 converter IC that is capable of running at 3V and communicating with 3V logic. Comes in an easy to solder 16-Pin SOIC SMD package. Requires four external 0.1uF cer...
Delivered by Fri 12 Jun
Crystal 16MHz
SKU: SF-COM-00536 | Brand: SparkFun
Standard frequency crystals - use these crystals to provide a clock input to your microprocessor. Rated at 20pF capacitance and +/- 50ppm stability. Low profile HC49/US Package.
Delivered by Fri 12 Jun
Adafruit 16x9 Charlieplexed PWM LED Matrix Driver - IS31FL3731
SKU: AF-2946 | Brand: Adafruit
The Adafruit IS31FL3731 breakout is a charlieplexed PWM LED matrix driver that controls a 16×9 grid of individually dimmable LEDs over I2C. Each of the 144 LEDs can be set to any brightness level with 8-bit (256-level...
Delivered by Fri 12 Jun
Solid State Relay - 40A (3-32V DC Input)
SKU: SF-COM-13015 | Brand: SparkFun
A solid state relay (SSR) allows you to control high-curent AC loads from lower voltage DC control circuitry. Solid state relays have several advantages over mechanical relays. One such advantage is that they can be s...
Delivered by Tue 23 Jun
SparkFun Shift Register Breakout - 74HC595
SKU: SF-BOB-10680 | Brand: SparkFun
A breakout board for the SOIC version of the 74HC595 8-bit shift register IC. Shift registers let you expand the number of digital outputs available on your microcontroller by clocking in serial data and latching it t...
Delivered by Fri 12 Jun
74LVC245 - Breadboard Friendly 8-bit Logic Level Shifter
SKU: AF-735 | Brand: Adafruit
An 8-bit logic level shifter in a breadboard-friendly DIP package. The 74LVC245 converts between 3.3V and 5V logic levels, making it easy to interface modern 3.3V sensors and peripherals with 5V microcontrollers like ...
Delivered by Fri 12 Jun
Adafruit 555 PWM Output STEMMA - 1.5K~25 KHz or 1.5~250 Hz
SKU: AF-5963 | Brand: Adafruit
The Adafruit 555 PWM Output STEMMA is a fully assembled 555 timer board that generates an adjustable square-wave PWM signal — no breadboard wiring or external components needed. An onboard trimmer pot lets you tune th...
Delivered by Thu 2 Jul
Adafruit PCA9546 4-Channel I2C Multiplexer
SKU: AF-5663 | Brand: Adafruit
Need to use multiple I2C devices that share the same address? The PCA9546 4-Channel I2C Multiplexer lets you connect up to four same-address I2C devices to a single microcontroller by acting as a gatekeeper — write a ...
Delivered by Thu 2 Jul
Adafruit PCF8575 I2C 16 GPIO Expander Breakout
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...
Delivered by Thu 2 Jul
NPN to PNP Signal Converter / Adapter Module
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...
Delivered by Tue 23 Jun
Adafruit AW9523 GPIO Expander and LED Driver Breakout - STEMMA QT / Qwiic
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...
Delivered by Thu 2 Jul
SparkFun Qwiic GPIO
SKU: SF-DEV-17047 | Brand: SparkFun
The SparkFun Qwiic GPIO adds eight additional digital I/O pins to your project via I2C, based on the TCA9534 I/O Expander from Texas Instruments. Read and write pins just like standard Arduino digital pins using the i...
Delivered by Fri 12 Jun
Serial Flash Memory - W25Q32FV (32Mb, 104MHz, SOIC-8)
SKU: SF-COM-15809 | Brand: SparkFun
The W25Q32FV (32M-bit) Serial Flash memory provides a storage solution for systems with limited space, pins, and power. This small SMD IC series offers flexibility and performance well beyond ordinary Serial Flash dev...
Delivered by Tue 23 Jun
Adafruit ATECC608 Breakout Board - STEMMA QT / Qwiic
SKU: AF-4314 | Brand: Adafruit
The Adafruit ATECC608 Breakout provides hardware-based cryptographic security for your microcontroller projects. This crypto-authentication chip from Microchip stores private keys securely — once locked, the keys cann...
Delivered by Thu 2 Jul
SparkFun Qwiic 12 Bit ADC - 4 Channel (ADS1015)
SKU: SF-DEV-15334 | Brand: SparkFun
A lot of the time you just need to add more analog inputs to solve a problem. It happens. The SparkFun Qwiic 12 Bit ADC can provide four channels of I2C controlled ADC input to your Qwiic enabled project. These channe...
Delivered by Tue 23 Jun
IC Socket - for 20-pin 0.3 Chips - Pack of 3
SKU: AF-2204 | Brand: Adafruit
An IC (Integrated Circuit) socket allows you to insert and remove chips easily from an assembled kit or project This item contains 3 of the 20 pin 0.3" wide version. Best used with chips that have 20 pins (2x10) a...
Delivered by Thu 2 Jul
IC Socket - for 16-pin 0.3 Chips - Pack of 3
SKU: AF-2203 | Brand: Adafruit
An IC (Integrated Circuit) socket allows you to insert and remove chips easily from an assembled kit or project This item contains 3 of the 16 pin 0.3" wide version. Best used with chips that have 16 pins (2x8) an...
Delivered by Thu 2 Jul