i2c eeprom interfacing with pic16f877a slicker circuit

An external EEPROM is beneficial for various applications as it provides significantly more storage capacity than the internal memory of the 18F4520 microcontroller. Additionally, EEPROM retains its data even when power is disconnected. This project involves interfacing with a Microchip...

pic16f877a lcd digital clock with ds1307

One of the main problems faced with an ordinary digital clock made using the PIC16F84 (or any other microcontrollers) is that it cannot maintain accurate time during power failures. When power fluctuations occur, the clock resets and starts counting from...

Cheap I2C bus control stereo decoder TDA9853H

A cost-effective I2C bus-controlled stereo decoder, TDA9853H, is utilized for digital mediation in FM radio applications. It operates within a stereo decoding circuit, processing the baseband signal that has been encoded into stereo format. The chip interfaces with the stereo...

Simple LED blinking using PIC16F877A

This project involves a basic LED blinking circuit utilizing the PIC16F877A microcontroller. It features two LEDs connected to the PIC16F877A, with the source code adapted from the 16F template. The circuit design consists of the PIC16F877A microcontroller, which serves as the...

EEPROM DAC with DS interface

This device provides three channels of 8 bit pulse-width modulation. Output pulse duty cycle ranges from 0 to 255/256 in 255 steps. DACs may be loaded by the DS interface. DAC values may also be copied into the on-chip EEPROM...

large dancing robot using pic16f877a microcontroller

Build a large dancing robot. This was intended to be a walking robot, but it ended up moving in a more rhythmic manner. A video is available in the last step. The project involves the construction of a large dancing robot,...

Circuit configuration of data memory

The Newman MP4 machine features three types of memory: data memory (U7), program memory (U8), and user memory (U9). Data memory is utilized for storing operational data, while program memory holds the machine's work program. User memory is designated for...

simple bus level-shift / I2C mosfet level converter Fairchild BSS138

While conducting background research on the Philips I2C bus, an application note authored by Herman Schutte from Philips Semiconductors Systems Laboratory in Eindhoven was discovered. Mr. Schutte detailed an efficient method for interfacing sections of the I2C bus operating at...

DS1621 IIC interface under Linux drives designing

The IIC bus line is a type of communication protocol that facilitates the transmission of data between devices. It is characterized by its simplicity in construction and wiring, making it suitable for various high-performance applications. The operating system, particularly Linux,...