Autoranging Digital Multimeter
This is an old article from Practical Electronics 1979. It shows the input circuits and digital ranging controls too. Using 7107 chip for display it is an excellent project to build even today. Try...
Category: Test-Measurement
TechLib – Electronic Experimenter Records
A technical library for the hobbyist and experimenter. – Charles Wenzel
A Surprisingly Accurate Digital LC Meter
An inductance / capacitance meter by Phil Rice VK3BHR, Almost as published in Amateur Radio magazine, April 2004. The AADE web site gave details of how their design worked and a circuit diagram. This...
David Jones -Tronnort Technology
PCB Design Tutorial – As published in Silicon Chip magazine Oct-Dec 2003. A very comprehensive three part tutorial on how to professionally design and lay out PCBs. Learn all the tricks of the trade!...
Dial AVO Amps-Volts-Ohms meter
This was designed, keeping in mind, that sometimes we have few components available and we could be flat broke. Even that you could not carry your DMM somewhere, but you have to make some...
Function Generator using the CA3140
Here is a complete project which will help in learning to apply the CA3140 in a small instrument that could be used in your test bench along with the oscilloscope. It is necessary to study...
FreePCB – PCB editor
FreePCB is a free, open-source PCB editor, released under the GNU General Public License. It was designed to be easy to learn and easy to use, yet capable of professional-quality work. FreePCB – PCB...
Convert Analog to Digital with a V-F
A Low cost A/D with a Potential of 5KV Isolation from Computing elements by use of Normal/Special Opto-Couplers. This can give better resolution and accuracy than a 8 bit A/D. may be close to...
Zelscope Sound card oscilloscope
Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer’s sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the...
OscilloScopes for the DIY Enthusiast
Here are some Hobby Scopes that might even be quite professional if you develop them further. They are virtual instruments. Making Scopes with tablets may be much more easy now The µSCOPE – A...
DSO Nano – Digital Storage Oscilloscope
DSO Nano v2 is an Open Source Portable and lightweight Digital Storage Oscilloscop that has a Color display and is designed for basic electronic engineering tasks. Its palm size and handy features make it...
Bitscope – PC Oscilloscopes And Analyzers
BitScopes are USB or Ethernet connected PC Based Mixed Signal Oscilloscopes. This means they capture and display one, two or four analog signals and eight logic or timing signals, simultaneously. Any BitScope can be...
