Circuit Lake » data logger

AVR Data Logger with MicroSD

admin — Wed, 12 Oct 2011 01:22:39 +0000

This project shows you how to store data into microSD card in files with FAT32 format using microcontroller AVR ATmega32. The MCU receives sensor’s data through internal ADC. You can connect up to 8 different sensors to the system.In this project, Dharmani uses one channel to read temperature value from LM35 sensor and remain [...]

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PIC Weather Station

admin — Thu, 18 Aug 2011 06:29:56 +0000

This Automatic Packet Reporting System (APRS) Weather Station project built based on PIC16F877. It comes with humidity sensor (Honeywell HIH-3610), Pressure sensor (Motorola MPXA4115), thermo meter (DS1621), RTC (For time Stamp) with battery back-up. The project uses 4×20 LCD to display all weather parameters, but you can still operate it without LCD for power [...]

Bathroom Utilities Management System

admin — Tue, 21 Jun 2011 22:26:32 +0000

The aim of the project is to build PIC32-based bathroom utilities management system. It will control and monitoring water and electricity usage to help user save money on utility bills. The system will turn off lights when not in use and limit water usage. The PIR sensor is used to detect when someone enters the [...]

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Parallax Vineyard Monitor

admin — Sat, 15 Jan 2011 21:25:51 +0000

This vineyard monitor project is built based on Parallax propeller chip. It consists of a weatherproof box that houses the electronics mounted on a PVC support pipe. The pipe is intended to be driven into the ground. The project will collect data like soil temperature and moisture, air temperature and humidity and solar radiation and [...]

Heart Rate Monitor

admin — Mon, 01 Nov 2010 00:52:52 +0000

The goal of the project is to build a device that able to constantly monitors heart rate and stores the data on an SD memory card. The data can be read from the card, imported into MS Excel (or other programs) for graphing or other analysis. The heart rate data logger project consist of Arduino [...]

Butterfly Data Logger

admin — Thu, 07 Oct 2010 22:54:05 +0000

This versatile data logger is built around the AVR Butterfly. It is a cost effective solution that monitors light, temperature, battery voltage and external sensors. The external sensors can be digital signals, analogue voltages or a frequency. There is provision for up to four external analogue sensors in addition to those shipped on the butterfly [...]

RS232 Data Logger

admin — Wed, 11 Aug 2010 21:59:51 +0000

The RS232 Data Logger is entirely a software solution to log data using the ATmega169 AVR Butterfly The unit is used side by side with existing products or your homemade projects which has UART capability but it is not able to store much data for an extended time duration. AVR Butterfly has UART and a [...]