The Arduino Pro Mini 5V 16MHz ATmega328P Compatible Board is a stripped-down, compact development board built around the ATmega328P microcontroller. It’s essentially the core of an Arduino Uno, shrunk down to a small PCB with no USB connector and unnecessary components — making it ideal for situations where size, weight, and cost all matter.
The board runs at 5V with a 16 MHz crystal oscillator, which gives it the same processing speed and I/O capability as larger Arduino boards. In 14 digital I/O pins (6 with PWM support) and 8 analog input channels — enough for most sensor and actuator-driven projects. The onboard voltage regulator accepts a raw input voltage (typically 5V to 12V via the RAW pin), which makes it easy to power from batteries, boost converters, or regulated supplies.
This microcontroller board is used robotics learners and makers working on projects. Remote sensor , miniature robots, custom PCB integrations, and battery-powered IoT devices are all common use cases. The arduino mini form factor makes it easy to embed into enclosures, mount on custom PCBs, or use in multi-board setups where cost per unit matters.
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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:
| Specification | Details |
|---|---|
| Item Type | Arduino Pro Mini 5V 16MHz Compatible Board |
| Board Type | Pro Mini |
| Microcontroller (Chip) | ATmega328P |
| Clock Frequency | 16 MHz |
| Operating Voltage | 5V |
| Digital I/O Pins | 14 (6 with PWM output) |
| Analog Input Pins | 8 (10-bit ADC) |
| Flash Memory | 32 KB (2 KB used by bootloader) |
| SRAM | EEPROM | 2 kB | 1 kB |
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:
-
1 × Arduino Pro Mini 5V 16MHz ATmega328P Compatible Board
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