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“Pulse sensors have become popular due to their use in health-monitors like the Fitbit. The sensors used are cheap, simple and pretty reliable at getting a reasonable indication of heart rate in daily use. They work by sensing the change …
“On this tutorial, we will capture remote data as UV (Ultra-Violet radiation), air temperature and humidity. Those data will be very important and will be used in a future complete Weather Station. The block Diagram shows what we will get …
“This small graphics library provides point, line, and character plotting commands for use with an I2C 128x64 OLED display on an ATtiny85 It supports processors with limited RAM by avoiding the need for a display buffer, and works with I2C …
“In this video we will talk about ESP8266-201. I know that few people know this version, but I like it a lot because of its possibility of antenna connection. We then made an assembly to measure the signal strength …
“A big and heavy alarm clock made from an old tea can, a big red button and few other parts… The origin story of this project is a bit unusual. We didn’t really need an alarm clock, but we …
“Analyses home air quality and records the values in a SD card. The quality of the air that we breathe, is very important to our health. This device analyses the air quality inside our homes, and records the values in …
“The FM broadcast band, used for FM broadcast radio by radio stations, differs between different parts of the world. In Europe, Australia[1] and Africa ((defined as International Telecommunication Union (ITU) region 1)), it spans from 87.5 to 108 …
“Multidruino is multifunctional arduino based device than can be used as multimeter, game console, components tester, alarm clock, calculator, mini pc, music player and much more. You can use it for making and playing games. You can make little aps …
“So I have been playing with making custom PCB’s for the Raspberry Pi for a while now, and what started as a joke became a challenge to see how small I could go. The TinyPi was born, it is …
“In this post I’m going to show you how you can monitor the power consumption of your battery driven (ESP8266/ ESP32) device. Measuring the power consumption over a full activity/ sleep cycle is the precondition to optimize your code …