buzzer interfacing with pic16f877a slicker
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Multitasking Pins
It is entirely logical that low-cost miniature microcontrollers have fewer pins than their larger counterparts, sometimes too few. Consideration has been given to how to economize on pins by making them perform multiple functions. One approach is to exploit the...
Automatic Switch Project
Model railroad turnouts, often referred to as switches, can be controlled in various ways. The simplest method is manual control, operated by hand. Remote activation is typically achieved through pneumatic (air) or electrical means. The project discussed in these articles...
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...
Multitasking Pins circuit
It is entirely logical that low-cost miniature microcontrollers have fewer pins than their larger counterparts, sometimes too few. Consideration has been given to how to economize on pins by making them perform the work of several. It was noted that...
Keyer circuit
A larger version of the circuit diagram can be accessed by clicking here. The circuit was created using Eagle from CadSoft, which is a free schematic and PCB layout software for small non-commercial projects. The core component of the keyer...
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....
pic PIC16f877A resets due to external noise
Connect a relay with a PIC microcontroller, and whenever a load is applied to the relay contacts, the PIC16F877A resets. This issue has been partially resolved by triggering another relay from the basic relay attached to the PIC, but this...
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...
Embedded Web Server for Water Level Monitoring
Throughout this year, significant attention has been dedicated to the development of an embedded web server device, a concept that has long been envisioned. This idea is not entirely original; it builds upon existing developments and references available on various...