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PIC40 Pin 4-bit LCD RS232 Project Board
The PIC 40-Pin 4-Bit LCD RS232 Project Board is a PIC microcontroller development board with LCD interface and RS232 communication for embedded projects and learning.
The PIC 40-Pin 4-Bit LCD RS232 Project Board is a versatile development board designed for learning and prototyping with 40-pin PIC microcontrollers, such as PIC16F877A. It provides an easy-to-use platform for building embedded projects with LCD display and serial communication capabilities.
This project board features:
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4-bit mode LCD interface for displaying text and data.
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RS232 serial communication for connecting to PCs or other devices.
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All I/O pins broken out for easy interfacing with LEDs, switches, sensors, relays, and motors.
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Onboard power regulation, crystal oscillator, and reset circuitry for stable operation.
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ICSP support for in-circuit programming of the PIC microcontroller.
Ideal for students, educators, hobbyists, and engineers, the board is widely used in academic labs, embedded system courses, industrial control experiments, and robotics projects. It allows users to build interactive display systems, communication projects, and automation demos efficiently.

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- 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
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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
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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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