Circuits & Schematics: Arduino - 4

31. Make Your Own Laser Tachometer for $10
    Circuits Arduino Measurement Beginners
    .. S. Cook hackster.io In this project, I am showing you how to build a digital laser tachometer based on Arduino for around 10$. If you need to measure rotational speed, you can just buy it or do it yourself and learn ...
    10-05-2020

32. Microcontroller-controlled homemade Proto power supply for Arduino projects
    Circuits Supply Microcontrollers Usage Atmel ATmega328
    .. article describes a portable breadboard-friendly adjustable power supply, designed as an ideal supply for Arduino projects and other low-power circuits. It is capable of providing from 0 V to 5.5 V at up to 0.5 A, and is ...
    29-09-2022

33. How to build an isolated digital AC dimmer using Arduino
    Circuits Arduino Supply NXP BT138-800
    .. (optically) with the mains voltage. So we can expect to get a noise-free signal which can be safely connected to the Arduino I/Os. The Figure 3 demonstrates the zero-crossing detector output signal (Pin-4 of the IC1). For sure you ...
    26-04-2024
34. TinyUPS - Uninterruptible Power Supply based on ATtiny13A
    Circuits Arduino Supply
    .. Designing A Li-Ion Battery Charger and Load Sharing System TinyUPS project in EasyEDA Downloads Schematic and PCB files, Arduino scketch, Software and instructions for Raspberry Pi
    12-08-2020
35. LED Binary Calculator
    Circuits Beginners Microcontrollers Usage
    .. the description of what every button does in the picture. People who know C can easily adapt my code to make it run on the arduino or other platforms it's just a matter of changing the output and input commands. The code is fully ...
    25-10-2010
36. Accelerometer Based 3D Mouse
    Circuits Computers and Peripherals Microcontrollers Usage
    .. was submitted by Bernard Klinc as part of the “Hobby parts for articles” program. Bernard did not need the Arduino kit so we sent him an 2 × 16 LCD display for this great article. This project demonstrates the use of ...
    30-10-2007
37. Modify T610 USB data cable to use with Microcontroller projects
    Circuits Microcontrollers Usage Cellular
    .. . Next time I will use this USB to RS232 converter in my microcontroller projects especially the very popular such Arduino.
    09-03-2008
38. Electronic Breadboard Templates
    Circuits Tools and Technologies
    .. breadboard template (PDF format) Note: Your browser may not like trying to render many small circles. These variations have Arduino Diecimila connectors on the page also: Electronic breadboard template (SVG format) Electronic breadboard ...
    30-10-2007
39. Easy Pulse: A DIY photoplethysmographic sensor for measuring heart rate. Part 2 - Testing and measurements
    Circuits Measurement Medicine Microcontrollers Usage
    .. waveforms as displayed on the PC screen when. The Easy Pulse output signal can be connected to a digital input pin of Arduino or ChipKIT board to find its frequency. If you multiply the frequency by 60, you will get the heart rate in ...
    24-12-2012
40. The Talking Breathalyzer. Part 1 - Features, Schematic and Demonstration
    Circuits Measurement Medicine MCU Open-Source Platforms Microcontrollers Usage Arduino
    .. Tweets (PC Mode) Weather and Stock Performance Readouts (PC Mode) Photobooth Mode (PC Mode) Part List Seeeduino or Arduino board dased on Atmel AVR ATmega328 Seeed Music Shield Seeed Twig Alcohol Sensor Seeed Twig Serial LCD Seeed ...
    30-12-2011

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