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ATmega Alarm Clock & Thermometer Humidity meter

First, let me introduce you my project. I made an Alarm clock with extended functionality & thermometer and humiditymeter. Everything started when my friend (who used to bring me some old electronic rubbish and I used to check if there's not something useful) brought me some cashing register display similar like that. When I first see them I knew that I will made from it alarm clock. I'm programmer and ...

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Wireless temperature and humidity monitor for baby’s room

This project describes a DIY wireless temperature and humidity monitor for kids’ or infant’s room using the Arduino platform, and inexpensive and easily available ASK transmitter/receiver modules. On the transmitting end, an Arduino nano senses the ambient room temperature and humidity using the DHT22 sensor and transmits the data to a receiving end Arduino over a 433 MHz ASK RF link. The receiving side Ard ...

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Digital Thermometer using AVR, LM35 and 16×2 LCD

Thermometers are the device we use to measure the temperature in any desired scale and we all will be quite familiar with the analog thermometers. There are some disadvantages in analog thermometers and this can be overcome by using this digital thermometer using avr. The above embedded system shows the design and implementation of a simple Digital Thermometer using Atmega16 (AVR),  LM35 & 16×2 LCD. LM3 ...

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AVR LCD Thermometer Using ADC and PWM Project

Sometimes we need our microcontroller to interact with more human readable information. It will be better for us if we could make it display the words not just blinking the LED. Today most modern gadget such as mobile phone and PDA, use LCD (Liquid Crystal Display) for interacting with us. In this project we will learn how to use the 2×16 LCD for displaying the room’s temperature. Actually driving the LCD h ...

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Contactless Infrared Thermometer (Pyrometer) using MLX90614 and MSP430

The device is designed for contactless measuring and monitoring temperature of objects. It is built on Melexis MLX90614 sensor and can measure temperatures in the range from -70°C to +380°C with 0.5°C accuracy and 0.01°C resolution. The period of measurements can be set in the menu from 1 sec to 1 min in 10 sec increments. It is also possible to record the temp measurements and upload them to a computer via ...

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Bluz Grill Thermometer

With summer arriving, and the fear of dried out chicken looming, we wanted a more high tech way to track the temperature of items we are grilling outside. There are wireless probe thermometers, but they require carrying around a separate readout. We wanted a way to read the termperature from our smartphone, so we took the just the thermometer and hooked it to bluz! Getting the thermometer to work was a bit ...

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Wireless Nixie Thermometer

The Target of this Project was to learn how to use different functions of the atmega: • Connecting two Atmegas with a wireless connection • Each Atmega has a Thermometer (DS1621) to read the actual temperature • Use the sleep Mode of an Atmega • Controlling a Nixie bargraph In-13 And this all together is a nice looking self-made Thermometer. :) There are simular Thermometers availible e.g. the thermNeon fro ...

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