Temperature Logger with Arduino
KEY TAKEAWAYS In this post, we will build a temperature logger. This can than be deployed to monitor the temperature of a room or the… Read More »Temperature Logger with Arduino
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Arduino projects and sensor interfacing tutorials — LM35, DHT11/22, ultrasonic, IR sensors, SD cards, RTCs, and more. Includes circuit diagrams and complete code.
RTC with Arduino – DS1307 and DS3231
KEY TAKEAWAYS In this post we will have a look at RTC with Arduino – DS1307 and DS3231. We will see how to connect them… Read More »RTC with Arduino – DS1307 and DS3231
SD Card with Arduino
KEY TAKEAWAYS In this post we will see how to use SD card with Arduino. Capturing and storing data is one of the most important… Read More »SD Card with Arduino
Serial Programming of AVR Microcontrollers
KEY TAKEAWAYS In this blog, we will try to demystify the process of flashing ATmega328P, an 8-bit AVR microcontroller, using serial programming algorithm. Why should… Read More »Serial Programming of AVR Microcontrollers
LM35 Temperature Sensor: Working, Circuit, and Arduino Code
KEY TAKEAWAYS LM35 is a temperature sensor that outputs an analog signal which is proportional to the instantaneous temperature. The output voltage can easily be… Read More »LM35 Temperature Sensor: Working, Circuit, and Arduino Code
Getting Time From Internet Using ESP8266 – NTP
KEY TAKEAWAYS Imagine a relay that has to be activated at a certain time or a data logger that has to store values at precise… Read More »Getting Time From Internet Using ESP8266 – NTP
DHT11 and DHT22 Sensor: Working Principle and Interfacing Guide
KEY TAKEAWAYS The DHT sensor (Digital Humidity and Temperature) is one of the most popular sensors for Arduino projects — but picking the right one… Read More »DHT11 and DHT22 Sensor: Working Principle and Interfacing Guide
Automatic Light ON-OFF based on presence of people
KEY TAKEAWAYS An LDR (Light Dependent Resistor) changes resistance based on ambient light: low resistance in bright light, high resistance in darkness. A voltage divider… Read More »Automatic Light ON-OFF based on presence of people