Beginning Embedded Electronics 8
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DIAL ALARM-1
This is the lowest cost dialing alarm on the market and shows what can be done with an 8-pin microcontroller. The complete circuit is shown below. You cannot see all the features of this project by looking at the circuit...
Microcontroller-based: Electric fan switching relay or triac
A project is underway to control the speed of an electric fan (220Vac, 60W, 5A max.) automatically using a microcontroller based on certain parameters.
The circuit design for controlling the speed of an electric fan involves several key components to ensure...
POWER LINE MODEM FOR COMPUTER CONTROL
This circuit employs an 87C57 microcontroller along with several peripherals to convert X-10 power-line carrier-code formats from a personal computer for use with an X-10 power-line interface in a home-control system. Software details can be found in the reference.
The circuit...
MICROCONTROLLER BASED AUTOMATIC ROOM LIGHT CONTROLLER
This project involves an automatic room light controller with a bidirectional visitor counter using a microcontroller. It is designed to manage room lighting and accurately count the number of individuals present. When a person enters the room, the counter increments...
Robo Atmega328p project
This project was designed to introduce a friend to microcontrollers and circuits using various functionalities and spare parts. A PS2 numpad was utilized as the key entry mechanism, which was found at a thrift store and included the necessary connector....
Robot Motor Control Schematic
The schematic for controlling the motors is divided into three main sections, each serving a distinct function. The primary components featured in the schematic include the PIC 18F252 microcontroller, the SN754410 motor driver, and 2N2222 transistors. At the top of...
Night Light Saver
A Microchip PIC12C508 8-pin CMOS microcontroller controls a night light, turning it on and off at preset times every day. It is designed to save energy, produce no electromagnetic interference (EMI), and operate without batteries, featuring a built-in lamp fixture...
Training Boxing timer schematic
A timer is being developed for circuit training or boxing training. The timer does not require any external input, except for a reset function. The project can be simplified using a microcontroller, such as the PIC12F635, which is cost-effective at...
home security system
The fundamental design of this project employs an Atmel AT89S8252-24PC Microcontroller, which features 2KB of EEPROM for runtime data storage. An ADC0838CCN analog-to-digital converter will be utilized to process up to eight inputs from sensor devices, including passive infrared sensors...