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“In this Instructable i will show you how to build a Clock out of an ESP8266 Node-MCU v0.9 dev. kit, a 24 Neopixel Ring and some other parts. Sorry for my bad english skills, if there is a …
“This is very easy and good instructable for those who are in trouble for pests.This device will work on any pests those who can sense ultra sonic sound.Basically those who are willing to make any small firm like …
“I personally love the concept of electronic boards connected in “slots” (vertically attached to a horizontal board), like most industrial-grade PLC’s or even our desktop’s expansion cards (video, sound memory): it saves a lot of space and adds …
“If you want to build a good Real Time Clock for your Raspberry here’s the tutorial you were looking for! This is a revised and simplified version for Instructables made out of this article at my personal blog. Difference …
“Capacitors are vital components in electronics, but sometimes they are broken, or the value printed on the cap has become unreadable. Because my multi-meter does not have a capacitance measurement, I decided to make one! The principle of measuring capacitance …
“Since I started building DIY CNC, I checked the free, opensource motor controller. There are several alternatives. I chose linisteppr controller.”
“This is a simple to build motor controller. It is handy for many projects using a motor controlled by a micro-controller. It can be used as an Electronic Speed Controller (ESC) and has forward and reverse control. It can be …
“MAX6955 is an interesting LED driver chip. It is the primordial charlieplexing device, being the materialization of a technique invented by Charlie Allen of Maxim Integrated. Without understanding how charelieplexing works, it is actually counter-intuitive to wire multiple (up to …
“There are many ways (*) to drive the 6-digit 14-segment common cathode display from Seeed Studio. This time I chose to multiplex two MAX7221, a method described here (but used for driving a bi-color 8x8 LED matrix).”
“As everyone at some point will recognise the Raspberry Pi doesn’ t include any kind of shutdown button. So the only way to power it off is by unplugging it from the power supply. To make sure you get no …