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.
74AHCT125 - Quad Level-Shifter (3V to 5V) [74AHCT125]
SKU: AF-1787 | Brand: Adafruit
A quad level-shifting buffer IC that excels at converting 3V logic signals up to 5V. Power the 74AHCT125 with 5V and it will cleanly detect 3.3V logic inputs — particularly useful when connecting devices like Teensy 3...
Delivered by Fri 12 Jun
4-channel I2C-safe Bi-directional Logic Level Converter [BSS138]
SKU: AF-757 | Brand: Adafruit
This bi-directional logic level converter from Adafruit uses 4× BSS138 FETs with 10K pull-up resistors to safely shift signals between different voltage levels. Unlike many level shifters, this design is fully compati...
Delivered by Thu 2 Jul
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
Reset / Enable Controller - KA75330 3.3V Voltage Detector
SKU: AF-3428 | Brand: Adafruit
A voltage detector is handy for projects where you want to make sure your microcontroller doesn't run at a low voltage. For example, say you have a Feather Huzzah running on a lipoly battery every few minutes. Even...
Delivered by Thu 2 Jul
74AHCT14 - Logic Level Inverter / Level Shifter
SKU: AF-3877 | Brand: Adafruit
A hex Schmitt-trigger inverter IC that doubles as a handy logic level shifter. The 74AHCT14 provides six independent inverter channels, each with Schmitt-trigger inputs for clean switching on noisy or slow-transitioni...
Delivered by Thu 2 Jul
