BeanCounter is an “Affordable” SMT Parts Counter that operates on a CR2032 coin cell
Tools

BeanCounter is an “Affordable” SMT Parts Counter that operates on a CR2032 coin cell

As a part of the Microchip Get Launched design competition, Virginia-based Great Big Factory, an electronic device manufacturer, has designed SMT parts counter that runs on a CR2032 coin cell– BeanCounter. Yet to be launched for crowdfunding on CrowdSupply, the manufacturer has...

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100MHz Frequency Meter using ATtiny414
Test/Measurements

100MHz Frequency Meter using ATtiny414

David Johnson-Davies published a new project on his blog. This project is a simple frequency meter capable of measuring frequencies up to 100MHz with an accuracy of 0.002%. Based on an ATtiny414, it demonstrates the use of Timer/Counter TCD0 and the Event System: I recently wanted to...

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Arduino Compatible 2-digit 7-segment Display Board for Timer/Counter
ArduinoTimer

Arduino Compatible 2-digit 7-segment Display Board for Timer/Counter

The project presented here is an open source 2-digit 7 segment Arduino compatible display board. It can used in many applications that require 2-digit display and switches inputs. Possible application of this board is a 2-digit counter, 2-digit countdown timer, token display, score...

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The Cheapest and Simplest Pulse Counter
Mcu

The Cheapest and Simplest Pulse Counter

This counter is made only from an ATtiny13 and LED diodes. Did you ever need a cheap and simple (with one digit only) pulse counter? This is the maximum optimization and simplification. Thanks to Charlie Allen. The Cheapest and Simplest Pulse Counter -...

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YouTube channel IoT view counter
IoT

YouTube channel IoT view counter

Kenneth Finnegan built this YouTube channel IoT view counter. He writes: I’ve wanted an Internet connected read-out for some time now, inspired by the awesome shadow box IoT projects Becky Stern has been doing (weather, YouTube subscribers). I’m certainly not to the same level...

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MyPart, An Open Source Portable Air Particle Counter
DIYSensor

MyPart, An Open Source Portable Air Particle Counter

One of the most harmful airborne pollutants with respect to human health is particulate matter. Air particle counters are used to determine the air quality by counting and sizing the number of particles in the air. This information is useful in determining the amount of particles inside a...

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2 Digit Digital Up Counter Using PIC16F1825
Mcu

2 Digit Digital Up Counter Using PIC16F1825

The Two Digit UP Counter project built using PIC16F1825 Microcontroller from Microchip, CAT4016 serial to display driver IC from ON-Semiconductor and two 7 Segment common anode 0.5 Inch display. Project works using two switches S3 and S2, third switch has no use. When switch S3 is...

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Fluke/Philips PM66xx Frequency Counter OCXO Upgrade
Timer

Fluke/Philips PM66xx Frequency Counter OCXO Upgrade

In this post Dan Watson documents an OCXO upgrade board he designed for the Fluke/Philips PM66xx line of frequency counters. A few months ago I purchased a Philips PM6674 frequency counter on eBay. It's an older 9 digit counter with two channels that has a maximum input frequency of...

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