Reference: RBD-3592
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The Arduino Pro Mini 328 – 3.3V/8 MHz is a cost-effective, ultra-compact development board based on the ATmega328 microcontroller, designed for experienced Arduino users. Operating at 3.3V with an 8MHz clock, this board is perfect for low-power applications and direct interfacing with 3.3V devices such as sensors, GPS modules, and wireless transceivers. Unlike the Arduino UNO, the Pro Mini is shipped without pre-soldered headers, giving users flexibility to configure connections according to their project needs. Featuring an onboard 3.3V regulator with 150mA output and overcurrent protection, it accepts input voltages up to 12V via the RAW pin. Programming requires an external USB-to-serial adapter (e.g., FTDI Basic Breakout). Lightweight, reliable, and versatile, the Arduino Pro Mini is an excellent choice for DIY electronics, IoT projects, and embedded applications. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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ATmega328 MCU – Reliable microcontroller running at 8MHz.
Low Voltage Operation – 3.3V logic for direct interfacing with modern modules.
Onboard Regulator – Provides 150mA output with overcurrent protection.
Flexible Connectivity – No pre-soldered headers for custom wiring.
USB Off-Board – Uses external FTDI adapter for programming.
Compact & Lightweight – Weighs under 2g, perfect for embedded projects.
Auto-Reset Support – Works seamlessly with FTDI Basic Breakout.
Cost-Effective – Optimized for minimal cost with SMD components.
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IoT Projects – Low-power microcontroller board for connected devices.
Wearable Electronics – Compact design fits into small enclosures.
Sensor Integration – Direct compatibility with 3.3V accelerometers, GPS, and more.
DIY Robotics – Lightweight control board for custom robotics projects.
Embedded Systems – Suitable for battery-powered devices.
Education & Prototyping – Great for advanced Arduino learners and makers.
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| General Specifications | |
| Model | Arduino Pro Mini 328 – 3.3V/8 MHz |
| Microcontroller | ATmega328 |
| Operating Voltage | 3.3V |
| Clock Speed | 8 MHz |
| Input Voltage (RAW) | 3.3V – 12V |
| Regulator Output | 150mA (overcurrent protected) |
| Digital I/O Pins | 14 |
| Analog Input Pins | 8 |
| PWM Pins | 6 |
| Flash Memory | 32 KB (0.5 KB used by bootloader) |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| Auto-Reset | Supported (with FTDI Basic Breakout) |
| USB Support | Off-board via FTDI adapter |
| Weight | <2 g |
| Shipment Weight | 0.0047 kg |
| Shipment Dimensions | 4 × 2 × 2 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x Arduino Pro Mini 328 – 3.3V/8 MHz
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