Arduino Pro Mini 3.3V Module ⚙️

The Arduino Pro Mini 3.3V is a compact, high-performance development board built around the proven ATmega328 microcontroller. Optimized for low-power, space-constrained designs, it delivers reliable performance for wearables, sensor nodes, data loggers, and embedded electronics projects, without sacrificing versatility.

Key Features 🔍

• Ultra-compact design 🧩: Ideal for projects with tight space budgets. Seamlessly integrates into small enclosures and custom PCBs for professional prototypes and hobby builds.
• ATmega328 microcontroller 🧠: Offers ample processing capability and a robust ecosystem. Suitable for both beginners and experienced engineers building with Arduino platforms.
• 3.3V operation 🔋: Native 3.3V logic ensures compatibility with modern electronics components, including low-voltage modules, sensors, radios, and IMUs. Great as a companion to Raspberry Pi systems.
• Integrated LED indicators 💡: On-board LEDs provide quick visual feedback for power and status, simplifying bring-up and debugging.
• Versatile connectivity 🔗: 14 digital I/O (with 6 PWM) and 8 analog inputs support a wide range of interfaces—sensors, displays, and communication peripherals via UART, I2C, and SPI.
• Arduino IDE support 🛠️: Program using the familiar Arduino IDE and libraries. Requires a 3.3V USB-to-serial adapter (FTDI/CH340) for uploading sketches.
• Low-power 8 MHz clock ⏱️: Balanced performance and efficiency for battery-powered applications.

Technical Specifications 🧾

• Microcontroller: ATmega328
• Operating Voltage: 3.3V
• Recommended Input Voltage: 3.7–5.5V (via RAW pin); use regulated 3.3V on VCC
• Digital I/O Pins: 14 (including 6 PWM outputs)
• Analog Input Pins: 8
• Flash Memory: 32 KB (ATmega328)
• Clock Frequency: 8 MHz

Applications & Use Cases 🚀

• Wearable electronics and compact sensor nodes
• Low-power data logging and environmental monitoring
• Embedded control for robotics and small mechatronic systems
• As a 3.3V co-processor for Raspberry Pi via UART/I2C/SPI
• Prototyping with 3.3V electronics components and modules

Programming & Power Tips ⚡

• Use a 3.3V USB-to-serial adapter (FTDI/CP2102/CH340) for uploading sketches; select “Arduino Pro or Pro Mini (3.3V, 8 MHz)” in the Arduino IDE.
• Power via RAW (3.7–5.5V recommended) or directly via VCC with a regulated 3.3V supply. Do not apply 5V to VCC.
• Match logic levels at 3.3V when interfacing with sensors, radios, and other electronics modules.

Package Contents 📦

• 1 × Arduino Pro Mini 3.3V Module

Build Smarter, Smaller, and Lower-Power 🧰

From rapid prototyping to production-ready embedded designs, the Arduino Pro Mini 3.3V delivers dependable performance for engineers and makers. Combine it with your favorite Arduino libraries, Raspberry Pi, and 3.3V modules to accelerate your next microcontroller-based project. Order now and start creating with confidence!