Circuit Lake

Electronic Project and Circuit Collection

Project Related Resources

NFC Secure Data Storage, AVR ATmega1284

January 12, 2013 By: admin Category: AVR, Miscellaneous, Security System No Comments →

This project implements a secure form of storage for sensitive information such as passwords or identification numbers. It is built based on AVR ATmega1284 and PN532 NFC Shield from Adafruit. The project is modeled after Shamir’s secret sharing algorithm. It allows user to distribute information regarding the secret key among several agents. In this way, […]

AVR Thermistor Respiratory Monitor

January 11, 2013 By: admin Category: AVR, Display, Measurement, Monitoring No Comments →

The purpose of the project is to build a low-cost, easy-to-use device to monitor the breathing of patients. It was designed for low-resource environments. This AtMega1284-based project can calculates a patient’s breathing rate by detecting changes in temperature when the patient breathes through a mask. The project uses AtMega1284p microcontroller as main controller. Thermistors are […]

Arduino Custom Data Logger, APDuino

November 27, 2012 By: admin Category: Arduino, Control, Data Acquisition, Monitoring No Comments →

APDuino is custom sensor monitoring and automation projects based on Arduino with literally no programming. You can customize it for data logger and automation project such as aquaponics, greenhouse, gardening DIY automation and other. Simply download ready-to-go software for the Arduino Mega 2560 and see how it works. The project consists of the APDuinOS (software […]

Head-Controlled Keyboard And Mouse For Disabled, AVR ATMega32

October 07, 2012 By: admin Category: AVR, Control, Interfacing, Wireless No Comments →

Easy Input is a head-controlled keyboard and mouse input device for paralyzed users. The system is built based on AVR ATMega32. It uses user’s head movement to control mouse movement on the monitor and user’s eye blinking to activate mouse click. Two main sensor used for this project are Freescale MMA6560Q accelerometers to detect head […]