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AVR 40-Pin Project/Development Board
The AVR 40-Pin Project / Development Board is a reliable platform for ATmega16/32-based development, learning, and embedded system prototyping.
🧾 Product Description
The AVR 40-Pin Project / Development Board is a versatile and easy-to-use platform designed for developing and testing 40-pin AVR microcontrollers such as ATmega16, ATmega32, ATmega8535, and compatible ICs. It provides a stable hardware environment for learning, prototyping, and embedded system development.
The board includes essential onboard components such as a crystal oscillator, reset circuitry, power supply section, and ICSP header for in-system programming. All microcontroller I/O pins are clearly labeled and brought out to headers, making it simple to interface with LEDs, switches, LCDs, sensors, relays, and other external modules.
Ideal for students, educators, hobbyists, and professionals, this development board is widely used in AVR programming training, academic projects, automation systems, and industrial control experiments. It supports programming via popular tools like USBasp, AVR ISP, and other compatible programmers.

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- Runs on 12-36V DC. (At the moment only the Pololu DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)
- Please note that this is an unassembled kit and needs soldering.
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Arduino LilyPad 328 ATmega328P Main Board 16M Compatible with Arduino
- Microcontroller: ATmega168 or ATmega328V
- Operating Voltage: 2.7-5.5 V
- Digital I/O Pins: 14
- PWM Channels: 6
- Analog Input Channels: 6
- DC Current per I/O Pin: 40 mA
- Board will run from 2V to 5V.
- The latest version of the LilyPad supports automatic reset for even easier programming.
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- Support UART / GPIO data communication interface
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- Built-in onboard antenna &Temperature and humidity sensor
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- 3 AA batteries / 5V adapter power supply
- Size: 61.6mm x 56.2mm;
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-  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

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