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Arduino Mega 2560 Rev3 microcontroller development board
The Arduino Mega 2560 Rev3 is a high-performance ATmega2560-based development board with 54 digital I/O pins, ideal for large and complex projects.
The Arduino Mega 2560 Rev3 Microcontroller Development Board is a powerful and versatile platform designed for complex electronics, robotics, and automation projects that require a large number of input/output pins. It is based on the ATmega2560 microcontroller, offering expanded memory and enhanced I/O capabilities compared to standard Arduino boards.
The board features 54 digital I/O pins (including 15 PWM outputs), 16 analog input pins, 4 UART serial ports, a 16 MHz crystal oscillator, USB connectivity, ICSP header, power jack, and reset button. It can be powered via USB or an external power supply, making it suitable for both development and standalone embedded systems.
Fully compatible with the Arduino IDE and a vast library ecosystem, the Arduino Mega 2560 Rev3 supports multiple sensors, motors, displays, shields, and communication modules simultaneously. Its robust design and high processing capacity make it ideal for 3D printers, CNC machines, robotics systems, industrial automation, and advanced IoT applications.

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- Compatible with Android, iOS, Windows and Mac all kinds of operation systems that can be used with any phone, tablet, PC and laptop for a smooth and fast way of text input.
- Built-in Bluetooth for connecting to other devices without complex wired troubles
- More stable and smarter
- Can change the mini USB port to micro USB port.Â
- With mini Bluetooth speakers, which support voice reporting and music playing
- 3 in 1 Function: Laser keyboard,Mouse and bluetooth speaker
- Good touch sensitivity
- The BEEP sound and brightness can be adjusted on the laser keyboard
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Text to Speech TTL Module (Serial to Speech)
-  Single row 0.1″ header for easy connection to a host system
- Power requirements: +5 VDC
- 30 mA idle
- 46-220 mA active (depending on speech parameters and output load)
- Â Communication: Asynchronous 9600 bps serial (8N1)
- Dimensions: 1.25″x1.5″x0.37″
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Text support rate is better
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 Interface operation is simpler
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5V single power supply.
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Output directly connected to the speaker, can drive 4 ohms 3W / 8 ohm 2W speakers
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Busy status output, can be connected to the microcontroller IO or indicator light, no need to be left floating.
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 Voice effect optimization
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 Module miniaturization and easy integration
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Dimension: 33*27.5mm
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With mounting holes
WH0201102 ABS 1.75 mm 1 kg Filament-Wanhao
- Material: ABS
- Color: White
- Material Diameter: 1.75mm
- Printing Temperature: 220° to 230°C
- Roundness Accuracy: +/- 0.5mm +/- 0.5mm
- Density: 1.31g/cm3 1.01g/cm3
- Mounted: Spool Mounted
- Net weight: 1kg
- Packaging Vacuum-sealed with desiccant to protect the filament from humidity
- Highly Detailed & Quality Outputs.
- Tried and Tested by Makenica.com
- Compatible with any FDM 3D Printer.
- ABS is stronger than PLA
- Easy to post-process.
- Environment friendly – ISO 9001 and ROHS certified

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