coin operated computer
#coin acceptor
#computer control
#payment system
#microcontroller
#USB interface
#embedded system
#user interface
#automation
#vending machine
#hardware integration
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automatic pet feeder
An automatic feeder dispenses food based on the activation of a series of buttons, which interface with a system controller and a food dispenser. The system is designed for intelligent processing of inputs and outputs, allowing dynamic configuration of button...
Electronic TIC TAC TOE
This project is not to introduce Tic Tac Toe. Everyone knows this game. It is to introduce two features: bi-coloured LEDs, microcontrollers, and the skill of writing an ALGORITHM. You can use the project to learn the skills of creating...
Microcontroller interfacing with RS 232
Standard serial interfacing of a microcontroller (TTL) with a PC or any RS232C standard device requires a TTL to RS232 level converter. A MAX232 is used for this purpose. It provides a 2-channel RS232C port and requires external 10µF capacitors.
The...
87C51 Selling Leads
This circuit utilizes 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....
Microcontroller Backup Thin Film Batteries
Cymbet Corporation provides rechargeable solid-state batteries designed for advanced microcontroller power backup applications. The company is recognized as a leader in thin-film energy storage technology.
Cymbet Corporation's rechargeable solid-state batteries are engineered to deliver reliable power solutions for microcontrollers, which are...
How to Design Battery Charger Applications that Require External Microcontrollers and Related System-Level Issues
Application note on designing linear and switch-mode (switching DC-DC converter current source) battery charger applications that require external microcontrollers and related system-level issues for notebook computers.
The application note provides guidance on the design of both linear and switching DC-DC converter...
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...
Automatic Switch Project 2
The switch control system utilizes sensors to inform the microcontroller of the trains' positions on the layout. This ensures that only one train occupies the main line at any given time and that switches are correctly set for the train's...
Microcontroller based College Automation System
This project is a microcontroller-based college automation system aimed at addressing the challenges faced in educational institutions. It replaces the conventional notice board with an automated device that allows users to both hear and read the information being announced through...