2pcs ATMEGA32 / ATMEGA16 / ATMEGA32U4 AVR Microcontroller ICs

$36.01 $44.40

Size ATMEGA16L-8AU ATMEGA16-16AU ATMEGA162-16AU ATMEGA32U4-AU ATMEGA32-16AU ATMEGA32L-8AU ATMEGA32A-AU

2-Pack AVR Microcontroller ICs — ATMEGA32 & ATMEGA16 Series

Get two high-quality AVR 8-bit microcontroller chips in one pack, covering the most popular ATMEGA32 and ATMEGA16 variants. Whether you're prototyping, building custom PCBs, replacing faulty ICs, or stocking your electronics lab, this value pack covers a wide range of general-purpose embedded applications.

Made in Mainland China.

Compatible Models Included

ATMEGA32A-AU
ATMEGA32-16AU
ATMEGA32L-8AU
ATMEGA162-16AU
ATMEGA32U4-AU
ATMEGA16L-8AU
ATMEGA16-16AU

Key Features

8-Bit AVR RISC Architecture — efficient instruction execution for embedded control tasks
TQFP Surface-Mount Package — compact footprint ideal for PCB integration
General-Purpose Use — compatible with Arduino-based frameworks and standalone embedded projects
Wide Variant Range — covers low-voltage (L series), USB-capable (U4), and standard-speed variants in one bundle
2-Pack Value — great for having a spare or for dual-circuit builds
No High-Concern Chemicals — standard-grade components with no flagged hazardous substances

Typical Applications

Embedded systems development and prototyping
DIY electronics projects and maker builds
Microcontroller replacement / repair on existing boards
Arduino-compatible custom PCB design
Robotics, automation, and sensor interfacing

Package Contents

2 × AVR Microcontroller IC (model as selected at purchase)

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Frequently Asked Questions

Q: What is the difference between ATMEGA32A-AU and ATMEGA32-16AU microcontrollers?

A: The ATMEGA32A-AU is a newer, lower-power revision of the ATMEGA32 family and is pin- and code-compatible with the original ATMEGA32-16AU. The "A" suffix denotes improved power efficiency, making it the preferred choice for battery-powered or low-power embedded designs.

Q: Are these ATMEGA microcontrollers compatible with Arduino IDE?

A: Yes. The ATMEGA32, ATMEGA16, and ATMEGA32U4 series are all AVR-architecture chips fully supported by the Arduino IDE via appropriate board definitions. The ATMEGA32U4-AU in particular is used in boards like the Arduino Leonardo and Pro Micro, making it popular for USB HID projects.

Q: What package type are these ICs — through-hole or surface mount?

A: These chips come in the TQFP (Thin Quad Flat Package) surface-mount format, as indicated by the "-AU" suffix. You will need SMD soldering equipment or a suitable adapter board for use in breadboard prototyping.

Q: Can I use the ATMEGA32L-8AU in a 5V circuit?

A: The ATMEGA32L is a low-voltage variant rated for 2.7V–5.5V operation, running at up to 8MHz. It is compatible with both 3.3V and 5V circuits, though it is best suited for 3.3V systems where the lower maximum clock speed is acceptable.