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“A 3D printed measuring wheel displaying both metric and imperial measurements. While reading some of the comments on DIY Simple Measuring Wheel with Rotary Encoder by Mirko Pavleski, one in particular stood out. The comment by soorajts suggesting “squeezing it …
“There are couple weather stations which are build with a BME280 and Arduinos, ESP32/ESP8266, Raspberry Pi’s. But not everyone wants to use these big boys for some “small” tasks like getting weather data. Also, these kind of microcontrollers …
“Monitor to record temperature and humidity, store 24 hours history and display these in a graph. Battery level monitor screensave. The project is an evolution of my project “Very low power temp and humidity monitor with min and max”. I …
“Sometimes AVRs are operated without an external clock. The internal oscillator does a good job in most applications, but when it comes to precise timing, it is too inaccurate. The accuracy of the oscillator of an AVR is only +/-10 …
“Introducing the next iteration of the Ripple LoRa QWERTY Messenger project, now with ultra low power standby mode! The new messenger device is now based on the Heltec LoRa32 V2 development board, instead of the TTGO. There are a number …
“Air pollution is a major issue in many cities and the air quality index is getting worse every day. According to the World Health Organization report, more people are killed prematurely by the effects of hazardous particles presented in the …
“Have you ever stared at the ceiling and found it hard to fall asleep? Try this ESP8266 powered projector! Motivation Once in a while I found it hard to fall asleep, and stared at the ceiling for a long time …
“A simple array of a few Particle Argons to monitor and report environmental conditions of a mesh network of several spaces. The basis for this project was to utilize a collection of Particle Argons to gather, publish, and chart data …
“Arduinos are incredibly useful tools for all sorts of projects. Given the current COVID-19 pandemic, having easy, fast, cheap, and reliable access to health information is more important than ever. While an Arduino might not be the tool of …
“A four-channel temperature datalogger for PT1000 probes measured by Atmega32U4 and logged on SD-card. My intention was to develop a temperature measuring and datalogging device because I had none. It should show the temperature measurement data on a display …