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Original Arduino Uno R3 microcontroller development board
The Original Arduino Uno R3 is a versatile ATmega328P-based development board ideal for learning, prototyping, robotics, and IoT applications.
Description
The Original Arduino Uno R3 is one of the most popular and beginner-friendly microcontroller development boards, widely used in electronics, robotics, and IoT projects. Powered by the ATmega328P microcontroller, it offers a perfect balance of performance, simplicity, and flexibility for students, hobbyists, and professionals.
This board features 14 digital input/output pins (including 6 PWM outputs), 6 analog input pins, a 16 MHz crystal oscillator, USB connectivity, power jack, ICSP header, and reset button. It can be powered via USB or an external power supply, making it suitable for both desktop development and standalone embedded applications.
The Arduino Uno R3 is fully compatible with the Arduino IDE, supports a vast library ecosystem, and works seamlessly with sensors, motors, displays, Wi-Fi modules, Bluetooth modules, and more. Whether you are building a robot, home automation system, or learning embedded programming, this board is a reliable foundation for countless projects.
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- Â Support 802.11b / n / g wireless standard
- Independent development MCU platform
- High cost performance
- Support UART / GPIO data communication interface
- Support STA / AP / STA + AP coexistence mode of operation
- Support SmartLink intelligent networking (APP)
- Support wireless upgrade firmware
- Support WPS network configuration
- Built-in onboard antenna &Temperature and humidity sensor
- RGB three-color light adjustable
- Provide rich AT command set configuration
- Free AiCloud cloud service for debugging
- 3 AA batteries / 5V adapter power supply
- Size: 61.6mm x 56.2mm;
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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