LCD Projects

PIC Waveform Recorder schematich

PIC Waveform Recorder

In this article I’ll show you how you can use PIC microcontroller to record and store waveform patterns in its EEPROM memory and replay the sequence later. For this purpose we’ll need a signal/waveform generator to produce the signal, PIC internal A/D converter to sample and digitize the incoming signal, external  I2C 8-bit D/A PCF8591

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PIC Microcontroller Basics and Applications for Engineeing Students schematich

PIC Microcontroller Basics and Applications for Engineeing Students

The microcontrollers plays an essential role in the embedded industry  after the development of Intel 8051. The research in the field of embedded  industry gave high efficient, low power consumption microcontrollers. The Arm, AVR and PIC microcontrollers are the prime examples. These microcontrollers are getting smart with communication protocols such as I2C, USB, SPI,CAN and

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A PIC Serial LCD Project

A PIC Serial LCD Project

[advanced_iframe securitykey=”7053122eaa09ce46830dfb8aaeae454056003ad0″][advanced_iframe securitykey=”7053122eaa09ce46830dfb8aaeae454056003ad0″]This project shows you how to create a serial LCD module that you can drive from any serial RS232 interface. You may be asking yourself why is this project using RS232 when computers are no longer even produced with a serial port as standard? There are three reasons: Most microcontrollers come with a UART

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A PIC Ultrasonic distance meter project using a Seven Segment display and a PIC micro

A PIC Ultrasonic distance meter project using a Seven Segment display and a PIC micro.

The PIC Ultrasonic distance meter works by transmitting a short pulse of sound at a frequency inaudible to the ear (ultrasonic sound or ultrasound). Afterwards the microcontroller listens for an echo. The time from transmission to echo reception lets you calculate the distance from the object. PIC Ultrasonic Distance Meter Specification Range ~5cm – 300cm

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Serial LCD Controller

Serial LCD Controller

I discovered a flaw in the current design that will only allow the controller to work with a connection to the computer and not to a microcontroller.  I’ve updated the schematic below and will fix the controller design.  I’ve added a project file below that also includes the fixed schematic. If you look at the

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