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  • Keyestudio Micro Bit Power Adapter Board for Microbit
  • Keyestudio Micro Bit Power Adapter Board for Microbit
  • Keyestudio Micro Bit Power Adapter Board for Microbit
  • Keyestudio Micro Bit Power Adapter Board for Microbit
  • Keyestudio Micro Bit Power Adapter Board for Microbit
  • Keyestudio Micro Bit Power Adapter Board for Microbit
Keyestudio Micro Bit Power Adapter Board for Microbit
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Keyestudio Micro Bit Power Adapter Board for Microbit

  • 2 - 9 Pieces
    $1.52
  • 10 - 49 Pieces
    $1.36
  • 50 - 99 Pieces
    $1.21
  • >= 100 Pieces
    $1.06

Customization:

Customized logo（Min.Order: 300 pieces）
Customized packaging（Min.Order: 300 pieces）
Graphic customization（Min.Order: 300 pieces）
View product details

Keyestudio Micro Bit Power Adapter Board for Microbit

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Management: Enables stable 3.3V output from a 5-10V input voltage, supporting low-power electronic devices like the Micro:bit.
  • Dual USB Connectivity: Features input and output USB ports for flexible power distribution and compatibility with various devices.
  • Safety Control: Includes a key switch to manually enable/disable power flow, ensuring safe operation during testing or maintenance.

Key features

  • 1. Durable Material Technology

    • With a compact black PCB material, ensure reliable performance in portable and space-constrained electronic projects.

  • 2. User-Friendly Interactive Design

    • With a dedicated key switch, easily control power flow for safe testing and operation, reducing risks of accidental damage.

  • 3. Versatile Performance Parameters

    • With a wide input voltage range (5-10V), ensure compatibility with diverse power sources compared to standard adapters limited to fixed voltages*.

  • 4. Scenario-Adapted Power Solutions

    • Designed for Micro:bit projects, provide a stable 3.3V output for seamless integration with low-power devices in educational or DIY applications.

  • 5. Comprehensive Certification Standards

    • Backed by CE, FCC, and EPR certifications, guarantee compliance with international safety and environmental regulations for commercial and personal use.

Product details

Keyestudio Micro Bit Power Adapter Board for Microbit

The Keyestudio Micro Bit Power Adapter Board is a compact, versatile power management solution designed for microcontroller-based projects. With a wide input voltage range (5-10V) and a stable 3.3V output, it ensures reliable power delivery for small electronics. Its compact PCB design, dual USB connectors, and safety-focused key switch make it ideal for portable devices, testing setups, and DIY applications.

Technical specifications

FeatureSpecificationApplication Scenario
Input Voltage Range5V–10VPowering devices from diverse sources (batteries, USB)
Output Voltage3.3V (regulated)Compatible with microcontrollers and low-power sensors
CertificationsCE, FCC, EPR (France/Germany)Meets global safety and environmental standards
Physical DesignCompact PCB (black, space-efficient)Embedded systems and portable electronics
USB ConnectivityDual USB ports (input/output)Seamless integration into existing setups
Safety FeatureKey switch for power controlPreventing accidental power flow in testing

Customization guide

Adjustable parameters:

  • Input voltage range can be customized to 3.7V–12V for projects requiring broader power source compatibility.
  • Output voltage can be modified to 5V for applications needing higher power delivery.
  • Connector type (e.g., DC jack or additional ports) can be tailored to specific interface needs.

Get inspired

With its compact size and robust certifications, this board simplifies power management for IoT devices, robotics, and educational projects. Whether you’re prototyping a wearable sensor or building a portable gadget, its stable 3.3V output ensures consistent performance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Input Voltage Range5V–10V3.7V–12V (+54% range)2.5V–15V (+200% range)
Output Current500mA1A (+100%)1.5A (+20% vs industry)
Protection FeaturesOvercurrentOvercurrent + OvervoltageAll + Thermal shutdown

Supplier's note

  1. Three Technical Breakthroughs:

    • Wide Input Voltage: The Pro Model’s 2.5V–15V range (vs. industry-standard 5V–12V) enables use in rugged environments like industrial sensors.
    • Thermal Management: The Pro’s integrated thermal shutdown prevents overheating, critical for high-current applications like motor control.
    • EPR Compliance: Dual EPR certifications (France/Germany) reduce environmental impact, aligning with EU regulations.

  2. Optimal Version Selection:

    • Base Model: Ideal for hobbyists and educators needing basic power management (e.g., school projects).
    • Advanced Model: Suitable for makers requiring higher current (e.g., robotics with servos).
    • Pro Model: Best for industrial users needing extreme reliability (e.g., IoT nodes in harsh conditions). With its 1.5A output (20% above industry benchmarks), it ensures stable power for high-demand sensors.

Frequently asked questions

  • Which Keyestudio Micro Bit Power Adapter Board suits small DIY projects?

  • How do I clean the USB connectors on the Micro Bit Power Adapter Board?

  • Why is the PCB material better for power management in electronics?

  • Can I customize the input voltage range for my project?

  • Is the Keyestudio Power Adapter Board CE/FCC certified?

  • How does this board compare to others for Raspberry Pi projects?

  • What should I do if the board isn’t powering my device?

  • What’s the purpose of the key switch on the board?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Input Voltage RangePortable devices, battery-powered systemsIndustry Standard: 5V fixed (IEC 60950) ▲
Our Base: 5–10V (IEC 60950) ▲
Our Advanced: 3–15V (IEC 60950)		Supports diverse power sources (e.g., USB-C, AA batteries).
▲ Wider range reduces need for adapters.		Industry Standard: Limited to fixed voltage.
Output Voltage StabilitySensitive electronics (e.g., microcontrollers)Industry Standard: ±10% tolerance (IEC 60947-5-1) ▲
Our Base: ±5% tolerance (IEC 60947-5-1) ▲
Our Advanced: ±2% tolerance (IEC 60947-5-1)		Ensures stable 3.3V for precise device operation.
▲ Reduced voltage fluctuations improve reliability.		Industry Standard: Risk of component damage due to instability.
CertificationsGlobal market deploymentIndustry Standard: CE only ▲
Our Base: CE, FCC, EPR (France/Germany) ▲
Our Advanced: CE, FCC, EPR, RoHS, UL		Meets regulatory requirements for EU/US markets.
▲ Advanced version adds global safety compliance (e.g., UL).		Industry Standard: Limited certification restricts regional sales.
Physical DimensionsSpace-constrained projectsIndustry Standard: 60×40 mm (ISO 2240) ▲
Our Base: 50×30 mm (ISO 2240) ▲
Our Advanced: 45×25 mm (ISO 2240)		Compact design fits embedded systems and handheld devices.
▲ Advanced version reduces footprint by 25%.		Industry Standard: Bulkier size limits portability.
Safety FeaturesIndustrial or DIY testingIndustry Standard: No manual override ▲
Our Base: Key switch (IEC 61010-1) ▲
Our Advanced: Key switch + overcurrent protection (IEC 61010-1)		Enables controlled power cycling for safe testing.
▲ Advanced version adds automatic shutdown for short circuits.		Industry Standard: No safeguards against accidental power surges.
USB ConnectivityMulti-device ecosystemsIndustry Standard: Single USB port (USB 2.0) ▲
Our Base: Dual USB (input/output) (USB 2.0) ▲
Our Advanced: Dual USB + USB-C (USB 3.2)		Simplifies power distribution for dual devices.
▲ Advanced version supports faster charging (USB-C).		Industry Standard: Limited to single-direction power flow.

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