The Arduino Pro Mini 5V 16MHz ATmega328P is a compact bare microcontroller board with 14 digital I/O pins, 8 analog inputs, 6 PWM outputs, 32KB flash, 2KB SRAM, and 1KB EEPROM running at 16MHz on 5V. The arduino pro mini 5v 16mhz atmega328p form factor removes the onboard USB chip entirely — unlike Arduino Uno or Nano boards, the Pro Mini requires a separate FTDI USB-to-TTL programmer or an FTDI adapter cable to upload sketches from the Arduino IDE. This is a deliberate design choice that reduces board size and cost for applications where permanent serial programming access is not needed after deployment.
The arduino mini atmega328p board is the preferred choice for embedded projects where space is the primary constraint — wearable electronics, compact sensor nodes, PCB-embedded controllers, and low-profile breadboard builds. The board ships without headers soldered, giving builders the option to solder pin headers, right-angle pins, or direct wire connections depending on their enclosure requirements. One important trade-off: the 5V version of the Pro Mini requires a 5V regulated supply. There is also a 3.3V 8MHz variant — confirm the version before purchase as the two are visually similar but electrically incompatible on regulated supply.
The non-obvious advantage of the atmega328p microcontroller on this bare board over full Arduino boards is footprint — the Pro Mini is approximately the size of a postage stamp, making it embeddable in enclosures and PCB layouts where a Uno or Nano would not fit. The arduino pro mini board is widely used in Indian hobbyist and college projects for compact sensor builds, drone flight controller prototypes, and custom wearable device development.
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Explore the Arduino LilyPad ATmega328P Compatible Board for Sensor-based projects
Features:
- ATmega328P Core 8-bit AVR microcontroller
- Onboard Voltage Regulator RAW pin accepts higher input voltages and regulates
- 14 Digital I/O Pins 6 support PWM output; remaining pins usable for digital read
- Compact PCB Footprint Fits on a standard breadboard; header pins can be soldered for custom builds
- 8 Analog Input Channels 10-bit ADC resolution, suitable for reading temperature sensors, potentiometers and more
Technical Specifications:
 Applications:
- Use Mini Drones and Quadcopters Acts as a lightweight flight controller core or secondary processor
- Home Automation Embed inside wall switches, relay boxes, or smart plugs
- Wearable Electronics Small enough to sew into wearable projects or mount inside 3D-printed wristbands and gadgets
- Battery-Powered IoT Devices Low component count means lower standby current
- Educational Prototyping Teach microcontroller programming without the overhead cost of full development boards
Package Includes:
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1 × Arduino Pro Mini 5V 16MHz ATmega328P Compatible Board
Ritesh Vora –
Best purchase for projects
Arvind Menon –
Fully compatible with Arduino IDE and very useful for compact embedded and sensor-based applications
Ankit Maheshwari –
Exactly as described
Devansh Tyagi –
Received this Arduino Pro Mini board with on time delivery and transparent checkout process, quality was excellent and quick response support made the experience smooth.
Parmesh Rathore –
Perfect condition received