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“A very simple way to make a tachometer where the result is displayed on an OLED display in the form of an RPM number and a progress bar for greater visibility. Supplies - Arduino Nano R3 - SH1106 od SSD1306 Oled display …
“Program an ATtiny13 development board with AVR assembly language. ATtiny13 DevBoard There are a few variations for LEDs and buttons but the ATtiny13 is just an Arduino that only has PORTB. That can be enough for many applications. We’ll …
“Arduino auto-ranging ohmmeter using Pro-Mini & Oled display. Live Test: 56K ohm resistor shown. I wanted to design and build a simple ohmmeter for my electronic test bench instead of using a multimeter. I just needed to quickly measure new and …
“Charity Sower is an unique platform that not only enables you to donate coins, but also allows you to track the location of each donation. Overview Charity is a vital aspect of building a compassionate and empathetic society. It involves …
“Why $3 Macropad? I have always been a great fans of Maker Faires around Asia and I am thinking if I could make something special so during maker events, I can exchange gifts with the makers I like so as …
“In this project, you’ll use a Feather RP2040 with DVI Output to build a fun and funky video synth. The Feather runs Arduino code written with the Adafruit Fork of the PicoDVI library. All you’ll need is USB …
“LED Dot Matrix modules are an excellent way to display information in a compact and visually appealing way. These modules consist of a matrix of LEDs arranged in a grid pattern, which can be used to display graphics, text, and …
“A calculator with 7 LEDs and a single button. This implements a little calculator with 7 LEDs as output (applying a shift-register), a M5Stack-Atom-Lite as the MCU and its button as input. Usage Select the first number by cycling through …
“A seven segment LED clock that connects to the internet to automatically set the time and sync on the hour every hour. I made some internet connected 8 digit 7 segment LED displays using a NodeMCU and Harris semiconductor ICM7228A …
“18650 LiPo cells are almost everywhere these days. Keeping them properly charged and maintained can be quite a pain. My attempt to fix this. Due to their high capacity and relatively low cost, LiPo cells are almost everywhere these days …