Arduino Pro Mini 3.3V / 8MHz is a compact, low-power ATmega328P microcontroller board ideal for space-constrained and battery-powered projects. Supports 3.3V sensors and is programmable via an external USB-to-TTL adapter.
The Arduino Pro Mini 3.3V / 8MHz is a compact, lightweight microcontroller board based on the ATmega328P, designed for space-constrained and low-power embedded projects. With no onboard USB interface, it offers a minimal design ideal for permanent installations, wearable electronics, IoT nodes, robotics, and sensor-based applications.
Operating at 3.3V and 8MHz, this board is perfectly suited for battery-powered projects and for interfacing with 3.3V sensors and modules without the need for level shifting. It supports the full Arduino ecosystem and can be programmed using an external USB-to-TTL (FTDI) adapter.
Microcontroller: ATmega328P
Operating Voltage: 3.3V
Clock Speed: 8MHz
Digital I/O Pins: 14 (6 PWM supported)
Analog Input Pins: 8
Flash Memory: 32 KB (2 KB used by bootloader)
SRAM: 2 KB
EEPROM: 1 KB
Ultra-compact and lightweight design
Low power consumption – ideal for portable projects
IoT and wireless sensor nodes
Wearable electronics
Robotics and automation projects
Embedded systems and prototyping
Battery-operated devices
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