Circuit Lake

Electronic Project and Circuit Collection

ATtiny45 Related Resources

Liquefied Petroleum Gas Detector

September 03, 2010 By: admin Category: Alarm, AVR, Detector, Microcontroller, Monitoring, Project No Comments →

Gas sensors are employed in a wide range of applications in the fields of safety, health, instrumentation etc. Common examples are domestic/commercial alarms for explosive or toxic gases, or in automotive application as gas leakage detectors for LPG powered cars and exhausts detectors inside any fuel-powered truck/car. Such sensors, nowadays, are found also in applications […]

Solar Powered Automatic Blind System

August 27, 2010 By: admin Category: AVR, Control, Microcontroller, Project No Comments →

The goal of the project is to build automatic home blinds system. The controller will open the blinds at first light and close them at sunset. If the sunlight becomes too excessive the blinds will partially close to protect the furnishings in the home. If the heat becomes too great the blinds will partially close […]

Simple Wireless Security System

August 16, 2010 By: admin Category: AVR, Digital, Project, Security System, Sensor, Wireless No Comments →

The Simple Wireless Security System is a security system that includes a ZigBee wireless door sensor and a PC interface. The door sensor mounts near the garage doors, and it detects the open/closed state using reed switches and magnets. The Atmel Attiny45 microcontroller fits in nicely with design because of its small size, low pin […]

Frequency Marker Generator

June 07, 2010 By: admin Category: AVR, Ham Radio, Microcontroller, Project No Comments →

COLT45 is a small multi-purpose device intended for the Amateur Radio operator, short wave listener, or other experimenters. Functions include a versatile frequency marker generator, a Morse code keyer, and a Morse code beacon generator with room for more functionality.