Pro Mini ATMEGA328P 3.3V/8M (Official Version)

The Pro Mini ATMEGA328P 3.3V/8M is a compact microcontroller board based on the ATmega328P, running at 3.3 V and 8 MHz. It is programmed in the Arduino IDE like an Arduino Uno but has no USB port, which keeps it small and light and lowers its power use. That makes it ideal for battery-powered sensors, wearables and projects that connect directly to 3.3 V modules such as the nRF24L01 radio and many I2C sensors.

Pro Mini ATMEGA328P 3.3V/8M Specifications

• Microcontroller: ATmega328P
• Operating voltage: 3.3 V
• Clock speed: 8 MHz
• Input voltage (RAW pin): 3.35–12 V
• Digital I/O: 14 pins, 6 with PWM
• Analog inputs: 8 (A0–A7, 10-bit)
• Memory: 32 KB flash (2 KB used by the bootloader), 2 KB SRAM, 1 KB EEPROM
• Programming: 6-pin serial header for a 3.3 V USB-to-serial adapter
• Size: about 18 × 33 mm

Pro Mini ATMEGA328P 3.3V/8M Applications

• Battery-powered sensor nodes and data loggers
• Wearables and small embedded builds
• Wireless projects with nRF24L01, LoRa or Bluetooth modules
• Permanent installations after prototyping on an Arduino Uno
• Robotics and model control

What's in the Box

• 1 × Pro Mini ATmega328P 3.3 V / 8 MHz board

Tip: Program it with a 3.3 V USB-to-serial adapter (FTDI, CP2102 or CH340) on the 6-pin header, and in the Arduino IDE select the board 'Arduino Pro or Pro Mini' with the processor 'ATmega328P (3.3V, 8 MHz)'. Feed supplies above 3.3 V into RAW, not VCC, and level-shift 5 V signals from other boards.

Orders placed before 14:00 are ready for pickup the same day. Delivery across Lebanon usually takes 1–3 working days.