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  • keyestudio Mega Pro Mini Development Board CH340G ATMega2560 For Arduino Mega2560
  • keyestudio Mega Pro Mini Development Board CH340G ATMega2560 For Arduino Mega2560
  • keyestudio Mega Pro Mini Development Board CH340G ATMega2560 For Arduino Mega2560
  • keyestudio Mega Pro Mini Development Board CH340G ATMega2560 For Arduino Mega2560
  • keyestudio Mega Pro Mini Development Board CH340G ATMega2560 For Arduino Mega2560
  • keyestudio Mega Pro Mini Development Board CH340G ATMega2560 For Arduino Mega2560
keyestudio Mega Pro Mini Development Board CH340G ATMega2560 For Arduino Mega2560
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keyestudio Mega Pro Mini Development Board CH340G ATMega2560 For Arduino Mega2560

  • 1 - 9 Packs
    $12.94
  • 10 - 49 Packs
    $12.51
  • 50 - 100 Packs
    $12.08
  • >= 101 Packs
    $11.64

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
Graphic customization（Min.Order: 100 pieces）
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keyestudio Mega Pro Mini Development Board CH340G ATMega2560 For Arduino Mega2560

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Microcontroller Powerhouse: Equipped with an ATmega2560 8-bit MCU and 256KB flash memory, enabling complex projects like robotics, automation systems, and IoT applications.
  • Versatile Connectivity: Supports USB programming, ICSP, and 54 expansion headers (compatible with Arduino Uno modules) for seamless integration with sensors, actuators, and external devices.

Key features

  • 1. Material Technology

    • With FR4 material construction, ensure robust durability and heat resistance for reliable operation in demanding environments.

  • 2. Interactive Design

    • With 54 expansion headers compatible with Arduino Uno, easily integrate sensors and modules for seamless prototyping and customization.

  • 3. Performance Parameters

    • With 256KB flash memory (8x more than Arduino Uno*), handle complex projects with large codebases and multiple functionalities.

  • 4. Scenario Solutions

    • With 54 digital I/O pins and extensive customization capabilities, deploy in robotics, home automation, and industrial systems for versatile application needs.

  • 5. Certification Standards

    • With CE, FCC, and EPR certifications (Germany/France packing), ensure compliance with international safety and environmental regulations for global use.

Product details

keyestudio Mega Pro Mini Development Board CH340G ATMega2560 For Arduino Mega2560

The keyestudio Mega Pro Mini Development Board CH340G features an ATmega2560 8-bit microcontroller with 256KB flash memory, designed for complex projects requiring extensive I/O connectivity. Equipped with 54 expansion headers, USB/CH340G programming, and dual 5V/3.3V power rails, it supports robotics, automation, and industrial control systems. Certified for EPR Germany/France Packing, CE, and FCC standards, it ensures global compliance and reliability.

Technical specifications

FeatureSpecificationBenefit
MicrocontrollerATmega2560 (8-bit, 256KB Flash)Handles complex code and data storage
ConnectivityUSB/CH340G, ICSPEasy programming via Arduino IDE
Expansion Headers54 I/O pins (D0-D32)Supports multiple sensors and modules
Power Supply5V/3.3V regulated outputsPowers peripherals reliably
CertificationsCE, FCC, EPR Germany/France PackingMeets international safety and EPR norms
MaterialFR4 PCBDurable and heat-resistant construction

Customization guide

Adjustable I/O pin configurations and firmware parameters to meet specialized needs, such as custom voltage thresholds or sensor integration for industrial automation.

Get inspired

With 54 I/O pins, you can build a multi-sensor environmental monitoring system. The 256KB flash memory allows you to run advanced algorithms for robotics control. Pair the 3.3V rail with low-power IoT modules for energy-efficient projects.

Choose your model

ParameterBase Model (Mega Pro Mini)Advanced ModelPro Model
Flash Memory256KB294KB (+15%)333KB (+30%)
I/O Pins5464 (+18%)72 (+33%)
ConnectivityUSB/CH340GUSB-C + BluetoothUSB-C + Wi-Fi
Voltage Range5V/3.3V5V/3.3V/9V5V/3.3V/12V

Supplier's note

  1. Technical Breakthroughs:

    • High Flash Capacity: The 256KB flash enables multi-tasking in robotics and automation.
    • CH340G Compatibility: Ensures plug-and-play functionality across Windows/Mac/Linux.
    • FR4 PCB Material: Provides thermal stability for industrial environments.

  2. Version Selection Guide:

    • Base Model: Ideal for hobbyists and small-scale projects needing standard I/O and USB connectivity.
    • Advanced Model: Choose for IoT projects requiring Bluetooth and expanded voltage options.
    • Pro Model: Best for industrial automation with Wi-Fi, high I/O count, and 12V tolerance.

With the Pro’s 12V voltage support, you can safely power high-current actuators. Its 333KB flash memory triples the Base’s capacity, enabling AI-driven applications. The Advanced Model’s Bluetooth module simplifies remote sensor data logging.

Frequently asked questions

  • Which Arduino development board is best for complex robotics projects requiring high I/O capacity?

  • Is the keyestudio Mega Pro Mini certified for EU and US safety standards?

  • Can I customize the Mega Pro Mini with additional sensors or modules for prototyping?

  • How do I maintain the Mega Pro Mini to prevent damage during frequent prototyping?

  • Does the CH340G chip on the Mega Pro Mini support Windows/macOS programming?

  • What unique features make the Mega Pro Mini better for industrial control systems vs. Arduino Uno?

  • Is the Mega Pro Mini’s material suitable for long-term use in harsh prototyping environments?

  • Can I use the Mega Pro Mini for projects requiring both 5V and 3.3V power outputs?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
MicrocontrollerRobotics, Industrial ControlATmega2560 (8-bit, 256KB Flash▲1, 150MHz▲2)▲1 3x more memory than Arduino Uno; ▲2 Faster processing for complex tasksLimited to 8-bit architecture (not ideal for high-compute applications)
ConnectivityIoT Prototyping, Sensor NetworksUSB-C (5V▲3), 4 Serial Ports▲4, ICSP▲5▲3 Higher voltage stability; ▲4 Supports multi-device communicationNo Wi-Fi/Bluetooth (requires external modules)
Expansion HeadersSensor Integration, Add-on Modules54 I/O Pins (3.3V/5V▲6, 4 PWM▲7)▲6 Dual voltage compatibility; ▲7 Smooth motor controlRequires soldering for permanent connections
Power SupplyBattery-Powered Projects, Embedded SystemsDual Power Input (USB/External▲8), 3.3V Regulator▲9▲8 Flexible power options; ▲9 Stable low-voltage outputHigh power draw may drain batteries quickly
CertificationsEU/US Market ComplianceCE, FCC, EPR (Germany/France Packing▲10)▲10 Meets EU waste regulations; Global safety complianceNo RoHS certification (may limit industrial use)
Programming FlexibilityCustom Firmware, Legacy SystemsArduino IDE▲11, ICSP Bootloader▲12▲11 User-friendly coding; ▲12 Easy firmware updatesLimited to Arduino ecosystem (no native C++ support out-of-the-box)

Hover Tooltip Explanations:

  1. 256KB Flash: Stores code (e.g., holds 100k+ lines of Arduino code).
  2. 150MHz: Clock speed for executing instructions (faster than Arduino Uno’s 16MHz).
  3. USB-C (5V): Provides stable power and data transfer (vs older USB-A ports).
  4. 4 Serial Ports: Enables simultaneous communication with multiple devices (e.g., GPS + Bluetooth).
  5. ICSP: Allows reprogramming without USB (critical for bricked boards).
  6. 3.3V/5V: Supports both low-power and high-power peripherals.
  7. 4 PWM Channels: Precise control for motors/servos (ideal for robotics).
  8. Dual Power Input: Switch between USB and external batteries (e.g., LiPo).
  9. 3.3V Regulator: Ensures stable voltage for sensitive sensors (e.g., GPS modules).
  10. EPR Compliance: Mandated for EU sales (covers recycling costs).
  11. Arduino IDE: Drag-and-drop coding with pre-built libraries.
  12. ICSP Bootloader: Fast firmware updates via external programmers.

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