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.
3.3V 800mA Linear Voltage Regulator - LD1117-3.3 TO-220
SKU: AF-2165 | Brand: Adafruit
A popular low-dropout (LDO) 3.3 V linear voltage regulator based on the LD1117 in a TO-220 package. With approximately 1 V dropout and up to 800 mA output current, it cleanly steps down 5–15 V supplies to a regulated ...
Delivered by Thu 2 Jul
SparkFun Opto-isolator Breakout
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...
Delivered by Fri 12 Jun
PICAXE 18M2+ Microcontroller (18 pin)
SKU: SF-COM-10187 | Brand: SparkFun
The new generation 18 pin PICAXE microcontroller now has parallel tasking, touch sensors and more memory/RAM. See the Info Sheet for a comparison of features between the 18M2 and the 18M2+ PICAXE is a neat entr...
Delivered by Tue 23 Jun
Arduino RS232 to TTL Converter with DB9 (MAX202)
SKU: DF-DFR0077 | Brand: DFRobot
This converter uses MAX202-based level shifter for converting TTL (Transistor-Transistor Logic) -level serial to standard RS232 serial.RS232 is widely used in radio modifications,phone flash, XBOX360 flash, GPS, vehic...
Delivered by Fri 12 Jun
Adafruit Si5351A Clock Generator with STEMMA QT - 8KHz to 160MHz
SKU: AF-5640 | Brand: Adafruit
The Adafruit Si5351A Clock Generator with STEMMA QT lets you generate precise, arbitrary clock frequencies from 8 kHz to over 150 MHz using a simple I2C interface. This updated version adds STEMMA QT / Qwiic connector...
Delivered by Fri 12 Jun
SparkFun Level Shifter - 8 Channel (TXS01018E)
SKU: SF-BOB-19626 | Brand: SparkFun
The SparkFun 8 Channel Level Shifter Breakout features the TXS01018E™ 8-bit, bi-directional logic level translator from Texas Instruments. This board allows you to easily shift logic between devices running at diff...
Delivered by Tue 23 Jun
Relay Module with cycle delay timing switch self-locking and more
SKU: LB-LS1717 | Brand: Little Bird
This versatile relay module is a powerhouse of timing functions, ideal for projects requiring precise control over relay activation and deactivation. Featuring adjustable parameters and 18 distinct modes, it provides ...
Delivered by Fri 12 Jun
SparkFun Level Translator Breakout - PCA9306
SKU: SF-BOB-15439 | Brand: SparkFun
The SparkFun PCA9306 Level Translator Breakout provides dual bidirectional voltage-level translation for I2C and SMBus lines. It lets you safely connect devices operating at different logic levels — for example, a 3.3...
Delivered by Tue 23 Jun
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
Op-amp (pack of 5) - LF347N
SKU: PI-COM0202 | Brand: Pimoroni
A handy little pack of 5 operational amplifiers! Part no: LM224N LF347N Amplifier Type General Purpose J-FET Case or Package Type DIP14 DIP14 Gain Bandwidth Product 1.3 MHz 4 MHz Input Bias Current 20 nA 20 ...
Delivered by Fri 12 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
Shift Register 8-Bit - SN74HC595
SKU: SF-COM-13699 | Brand: SparkFun
The SN74HC595N is a simple 8-bit shift register IC. Simply put, this shift register is a device that allows additional inputs or outputs to be added to a microcontroller by converting data between parallel and serial...
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