28 Pin PIC Terminal Development Board

Summary of 28 Pin PIC Terminal Development Board


This article describes a 28-pin PIC microcontroller development board designed for diverse projects. It features an integrated power supply, RS232 communication, LCD display, keypad, and various input/output capabilities including ADC, frequency counting, and relay control. The board is constructed with FR-4 material and includes essential circuits for oscillator operation and voltage regulation.

Parts used in the 28 Pin PIC Terminal Development Board:

  • FR-4 PCB (1.5 mm thickness)
  • Dallas touch button port
  • Frequency input circuit
  • 0-10V and 0-5V ADC input with buffer OPAMP
  • RS232 DB9 female connector
  • RS232/TTL level shifter circuit
  • ICSP/ICD connector
  • Voltage regulator +5V (78L05)
  • Filering capacitors
  • Crystal oscillator circuit
  • 16x2 alphanumeric Supertwist LCD display
  • 6 button keyboard
  • Relay with 10A/250VAC contacts
  • Buzzer
  • Status LED

Replacement: None. We do not have a direct replacement for this board. This page is for reference only.

Description: A fun package full of potential projects! Development board for 28 pin PIC microcontrollers with power supply circuit, crystal oscillator circuit, RS232 port, ICSP/ICD port, 16×2 alphanumeric Supertwist LCD display, 6 button keyboard, Dallas touch button port, frequency input, ADC input, relay with 10A/250VAC contacts, buzzer, and status LED.

Development Board

  • FR-4, 1.5 mm (0.062″), green solder mask, white silkscreen component print
  • Dallas touch button port
  • Frequency input
  • 0-10V and 0-5V ADC input with buffer OPAMP
  • RS232 DB9 female connector
  • RS232/TTL level shifter circuit
  • ICSP/ICD connector for programming with PIC Programmers and Debuggers (for PICs with ICD support)
  • Voltage regulator +5V, 78L05 and filtering capacitors

For more detail: 28 Pin PIC Terminal Development Board

Quick Solutions to Questions related to 28 Pin PIC Terminal Development Board:

  • Is there a direct replacement for this board?
    No, there is no direct replacement available as the page is for reference only.
  • What type of microcontroller does this board support?
    This board is designed for 28 pin PIC microcontrollers.
  • Does the board include an LCD display?
    Yes, it comes with a 16x2 alphanumeric Supertwist LCD display.
  • Can I use this board for analog-to-digital conversion?
    Yes, it features 0-10V and 0-5V ADC input with a buffer OPAMP.
  • How can I program the microcontroller on this board?
    You can use PIC Programmers and Debuggers via the ICSP/ICD connector.
  • Does the board have a serial communication port?
    Yes, it includes an RS232 DB9 female connector.
  • What is the maximum current rating for the relay on this board?
    The relay has contacts rated for 10A/250VAC.
  • Is there a buzzer included on the development board?
    Yes, a buzzer is included along with a status LED.

About The Author

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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