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Building a Wifi Radio – Part 7, Building an LCD Display

This is the seventh part of an ongoing series about building a low cost, open source streaming internet radio.  If you haven’t already, check out the previous parts (see the links at the end of this article) for some background about the project. In part six, we used OpenWrt’s UNIX-style shell commands to interface with mpd, the music player daemon, and redirect song and stream information to our ASUS WL-52 ...

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LCD Interfacing with AVR

Interfacing LCD Display in 8bit Mode I’ve already discussed about the LCD display in a note here in this website. You can read the Note on character LCD Display here. Now let us come to the interfacing side of LCD. Let us see the 8bit mode interfacing of the LCD display with an AVR micro controller first. I have added two circuits in this post 1) Interfacing LCD with Avr Atmega8 and 2) Interfacing with Atme ...

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Week 11: Networking with ESP8266

For this week I set out to make a board that will show realtime MBTA bus arrival times using the ESP8266 wifi module and a LCD. Seemed doable. People of the internet have been excited about the ESP8266 lately. Here is a snapshot of google trends for searches for esp8266 vs couple of other arduino favorite processors. That's the rough plan. I run the atmega32u4 and the LCD at 5V. The ESP8266 I power at 3.3V ...

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Interfacing LCD with ATmega32 Microcontroller

To establish a good communication between human world and machine world, display units play an important role. And so they are an important part of embedded systems. Display units - big or small, work on the same basic principle. Besides complex display units like graphic displays and 3D dispays, one must know working with simple displays like 16x1 and 16x2 units. The 16x1 display unit will have 16 characte ...

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LCD clock with 4″ display

The time keeping is provided by DS3231 RTC chip with an integrated high accuracy (± 5ppm) MEMS crystal. This makes PCB design very simple, as one does not need to take care on special traces design around the crystal. The chip is powered via the VBAT pin with VCC pin being grounded. This way its drawn current is minimum. The RTC chip is equipped with a temperature sensor, which is not used in the current de ...

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Interfacing 16X2 LCD to AVR Microcontroller

  Well this is not different from the way interfacing the LCD to 8051 or PIC microcontroller. The crystal oscillator will provide the clock to the microcontroller. The capacitors connected to the crystal will act as filters and help the crystal to resonate and oscillates to its parallel resonate mode.  The potentiometer which is connected to the pin 3 and pin2 of LCD will help to adjust the contrast of the ...

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LCD interface

This example is based on a LCD module with the Hitachi HD44780 LCD-controller.You can get these displays in various kinds, from 1 to 4 lines and from 8 to 40 characters per line. A display with 16 characters per line and 2 lines is used in this example. The display uses a power supply of 5V DC. The LCD controller can accept 8 bit data bytes or 4 bit nibbles. In this example the 4-bit mode is used. There are ...

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