Classic Arduino-Compatible Board • ATmega328P Microcontroller • 16 MHz Clock • USB Interface
Powered by the ATmega328P running at 16 MHz, offering stable, proven performance for thousands of Arduino-compatible projects.
Built-in USB interface for quick code uploads and serial monitoring — no extra programmer required. Fully compatible with the Arduino IDE.
Standard Arduino R3 pin configuration ensures compatibility with shields, sensors, and expansion boards across the Arduino ecosystem.
| Parameter | Value |
|---|---|
| Microcontroller | ATmega328P (DIP package) |
| Operating Voltage | 5 V DC |
| Input Voltage (recommended) | 7 V – 12 V DC |
| Clock Speed | 16 MHz |
| Digital I/O Pins | 14 (6 PWM output capable) |
| Analog Input Pins | 6 |
| Flash Memory | 32 KB (0.5 KB used by bootloader) |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| USB Connectivity | Yes – via onboard USB interface |
| Board Format | Arduino UNO R3 compatible layout |
| Dimensions | ~68 × 53 mm |
| Pack Quantity | 1 board (single pack) |
The Open Source Development Board R3 (ATmega328P 16 MHz) is the go-to platform for learning embedded systems, building automation projects, or developing IoT prototypes. It’s Arduino UNO–compatible, meaning it works seamlessly with thousands of open-source sketches and shields.
Its USB connectivity and bootloader pre-installed make programming fast and beginner-friendly — perfect for classrooms, hobbyists, or professionals needing a reliable prototyping base.
| Operating Voltage | 3.3 V – 5 V DC |
|---|---|
| Channels | 3 (independent, adjustable) |
| Outputs | 3× Digital (active level varies by board) |
| Sensing Elements | IR LED + Phototransistor (per channel) |
| Detection Distance | Approx. 2–15 mm (surface-dependent) |
| Indicators | Per-channel status LEDs |
| Adjustments | 3× trim-pot threshold controls |
| Connector | VCC / GND / D1 / D2 / D3 |
| Recommended Use | Educational, R&D or hobbyist environments only |
| Statement | For educational laboratory and R&D use only.(non-RoHS). |
|---|---|
| WEEE | Not subject to WEEE marking; obligations apply to final equipment. |
| Manufacturer |
Little Muffins Things Limited 166 River Heights, 90 High Street London E15 2GQ littlemuffinsthings.com |
| EU Responsible Person |
eucomply OU Parnu mnt. 139b–141 13117 Tallinn, Estonia hello@eucompliancepartner.com |
