The BBC micro:bit V2 is a beginner-friendly development board ideal for educational robotics. It has an ARM Cortex-M4, built-in accelerometer, magnetometer, microphone, speaker, Bluetooth, and LED matrix. It’s highly popular in STEM classrooms and early robotics kits due to its simplicity and visual programming environments.
Product Description
The micro:bit V2 is the latest upgrade to the beloved pocket-sized computer from the Micro:bit Educational Foundation. Released in October 2020, it retains the familiar form factor of earlier versions while introducing a suite of widely requested enhancements tailored for education, creativity, and hands‑on learning. Hardware Improvements
- Upgraded microcontroller: Nordic nRF52833 SoC (ARM Cortex‑M4 at 64 MHz, with 512 KB flash and 128 KB RAM)
- USB interface controller chip: NXP KL27Z (with 32 KB RAM)
- New audio features: Built-in MEMS microphone (with LED indicator) and speaker—opening possibilities for sound-interactive projects
- Touch-sensitive logo: A tactile touch sensor for engaging input that's intuitive and fun to use
- Enhanced power management: Includes an on-board power (sleep/off) mode and status LED; can shut down by holding the reset/power button
- Bluetooth 5.0 / 2.4 GHz Radio: Improved wireless communication over the previous Bluetooth 4.0
- Motion sensing: 3-axis accelerometer and magnetometer (compass) remain, powered by ST LSM303 senso
- LED matrix and buttons: 5×5 programmable LED grid plus two user buttons—standard but essential
- website:https://shop.microbit.org/products/micro-bit-v2
Controller Specific
| Attribute | Value | Description | Why It Matters |
|---|---|---|---|
| Processor Type | N/A | CPU architecture and speed | Computational capability |
| I/O Capacity | N/A | Digital/analog input/output count | System integration capacity |
| Memory | N/A | RAM and storage capacity | Program complexity capability |
| Real-time Capability | N/A | Deterministic response time | Motion control precision |
| Communication Interfaces | N/A | Network and fieldbus support | System connectivity |
| Programming Environment | N/A | Development software | Ease of implementation |
| Safety Features | N/A | Functional safety compliance | Human safety requirements |
| Expansion Options | N/A | Modular expansion capability | System scalability |
Form Factor
| Attribute | Value | Description | Why It Matters |
|---|---|---|---|
| Height | N/A | Total standing height (cm) | Human-scale enables use of tools, navigation of spaces |
| Width | N/A | Shoulder-to-shoulder width (cm) | Affects balance, door/passage fit |
| Weight | N/A | Total mass (kg) | Impacts mobility, safety, power usage, transportability |
Power System
| Attribute | Value | Description | Why It Matters |
|---|---|---|---|
| Battery Type | N/A | Li-ion / LiFePO4 / etc. | Determines energy density, safety |
| Battery Capacity | N/A | Wh or Ah | Impacts range and operating time |
| Operating Duration | N/A | Hours under normal load | Key for logistics, shift planning |
Performance
| Attribute | Value | Description | Why It Matters |
|---|---|---|---|
| Payload Capacity | N/A | Maximum carrying capacity (kg) | Determines real-world utility |
| Speed | N/A | Maximum operational speed | Task completion rate & productivity |
| Precision | N/A | Positioning accuracy (mm) | Quality of work & application suitability |
| Repeatability | N/A | Consistency of positioning (±mm) | Manufacturing quality & reliability |
| Cycle Time | N/A | Time per standard operation | Productivity & throughput calculations |
| MTBF | N/A | Mean Time Between Failures (hours) | Reliability & maintenance planning |
| Service Life | N/A | Expected operational lifespan (years) | ROI calculations & replacement planning |
Connectivity
| Attribute | Value | Description | Why It Matters |
|---|---|---|---|
| Communication Protocol | N/A | Wi-Fi / Ethernet / 5G / Bluetooth | Network integration capabilities |
| Remote Control | N/A | Web / App / Joystick / API | Needed for manual override or remote training |
| Programming Interface | N/A | Drag-drop / Code / Visual / Teach pendant | Ease of deployment and customization |
| Integration APIs | N/A | Available software interfaces | System integration capabilities |
| Cloud Connectivity | N/A | Cloud platform compatibility | Data analytics & remote monitoring |
| Security Features | N/A | Encryption & authentication methods | Cybersecurity compliance |
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