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“Hello everyone. This time I will share my way of making a digital tachometer. It works great and can easily compete with a commercial version. On top of all, I wanted to avoid the complexity of adding a battery to …
“The Fake ‘Nixie’ clock So I had an idea about making fake nixie tubes with an OLED display and a laser etched filter. I had a play for Makevember and I was quite pleased with the outcome using a 128 …
“We learn how to build a cute little digital clock that communicates with NTP servers and displays network or internet time. We use the WeMos D1 mini to connect to a WiFi network, obtain the NTP time and display it …
“Hello everyone, I hope you are doing great! In this instructable I am going to show you how I made this Power meter/ Wattmeter module for use with an Arduino board. This power meter can calculate the power consumed by …
“VT220 serial terminal for Arduino TTyGO is a simple VT220 compatible serial terminal with some XTerm extensions with optional UTF-8 support. Hardware buttons act as VT220 programmable function keys, and there is an on screen keyboard available. It uses …
“This Instructables show how to make a simple servo tester. Servo is a motor gear box that you can control the arm turning angle by a duty signal. Most common servo can control the arm angle from 0 - 180 degree …
“In this article, we’ll talk about OLED displays story and their differences, how to run them by simple controllers and display text and images on them. At the end of this article, you will be able to: - Explain OLED …
“It’s CircuitPython Time! In this project we’ll show you how to make a watch using an Adafruit Feather M4 Express, an RTC module and an OLED display. This uses CircuitPython, which is a version of Python designed to …
“A variant on the wooden wine box dual MX7219 matrix chiming clock. Rotating time, date, temp, humidity, day with events and chimes. In a previous project (matrix clock) most of the ‘guts’ for the code were done, but this continues …
“Displays your pulse rate, blood oxygen level and a moving graph of each heart beat, the photoplethysmogram (PPG). This project implemented on an ATtiny85 displays a moving Photoplethysmogram together with pulse rate and estimates of SpO2 - blood oxygen percentage. It …