[Wolf] sent in this site a while back, and I thought that this frequency meter how-to looked pretty useful. It’s based on an Atmel AT89C52 and a gutted multi-meter. The circuit isn’t too bad.

There’s a transformer for the linear supply, through-hole components, and an Intersil frequency counter on a chip. Everything is easy to get to and large enough to see.

Image Credit: Allied Electronics, Inc. Frequency counters are digital devices for accurate measurement and display of square wave and pulse input signal frequencies. A frequency counter is an ...

This counter offers a wide input frequency range from 1Hz to 35KHz, and four display ranges of 99.99Hz, 999.9Hz, 9999Hz, and 35KHz. The easiest to use counter in the ...

Making your own DIY countertops whether it be in your kitchen, bathroom, or laundry room has definitely been popular in the last few years. Not only do wood counters add some color and depth to ...

There are two ways you can choose to do your DIY concrete counters. We chose to build the form in place and pour right on our ...

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今天和大家聊一款配置单。这款配置单具备一 ...

What is the best overall DIY home security system? There's a lot you can do to safeguard your home but a lot of it will be really costly. A security system that you need to get professionally ...

The allele frequency represents the incidence of a gene variant in a population. Alleles are variant forms of a gene that are located at the same position, or genetic locus, on a chromosome.

With a little creativity and some art supplies, you can turn your ordinary abode into a harrowing haunted house with some easy DIY Halloween decorations. Whether you're a DIY novice or a craft ...

Going full DIY will, of course, save you the money you'd have to spend on having a local security worker visit your house and set up the system. DIY setup has no additional except your own time ...