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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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
ESP8266 Over the Air (OTA) Update through Web Browser
KEY TAKEAWAYS OTA (Over the Air) update is the process of loading the firmware to ESP module using Wi-Fi connection rather that a serial port.… Read More »ESP8266 Over the Air (OTA) Update through Web Browser
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
Ultrasonic Sensor Working Principle: HC-SR04 Timing and Code
KEY TAKEAWAYS Ultrasonic sensor’s are those sensors which is mainly used to detect object by measuring the distance of the targeted object by sending sound… Read More »Ultrasonic Sensor Working Principle: HC-SR04 Timing and Code
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
Upload Files to ESP8266 SPIFFS
KEY TAKEAWAYS ESP8266 SPIFFS sketch data upload tool allows us to upload files to the NodeMCU or ESP8266 flash memory. This filing system can be… Read More »Upload Files to ESP8266 SPIFFS