Arduino Frequency Counter: 7 Steps instructables
Arduino Frequency Counter: To find out the frequency of any signal we need to use CRO. We can also use frequency meter.But both of them are costly.Using Arduino Frequency Counter we can easily measure the frequency of various signals.This Circuit can be easily made with ver...Variable Frequency Oscillator Circuit with Schematic
Description. Here is a simple variable frequency circuit based on timer NE555. Here NE55 is wired as an astable multivibrator, whose output frequency can be varied by varying a potentiometer.Electronic Circuits and Diagrams Electronic Projects and ...
We feature 2000 electronic circuits, circuit diagrams, electronic projects, hobby circuits and tutorials, all for FREE! Since 2008 we have been providing simple to understand educational materials on electronics for engineering students and hobbyists alike.One Button On Off Switch with 4093 and IRFZ44
The load is driven by the MOSFET IRFZ44 and 4093 AND gates are used in the circuit. The output of the 4093 IC drives the MOSFET. Only one button allows you to change the on off state of the electronic circuits in which you use this switch. The circuit schematics is above. Click image to see the larger schematics diagram.AD9850 DDS VFO | AD7C
Hi, I’m wanting to build a VFO to run an old Drake 2 NT xtal controlled transmitter. I’m interested in what you have built here. I will need some kind of amp to bump up the output to 4v ptp, manual calls for 12v on 15 meter band for some reason.MegaMoto Plus Motor Control Shield for Arduino Robot Power
A User Manual and Schematic diagram are available for more detailed information. Note, the schematic and User Manual from the MegaMoto apply to the MegaMoto Plus as well. The only differences besides the increased power handling on the Plus are a few minor lettering and location changes.HF Antenna Analyser With Arduino and DDS Module
HF Antenna Analyser With Arduino and DDS Module: HiIn this Instructable I'll show you how I built a low cost antenna analyser which can measure an antenna and display its VSWR over any or all of the HF frequency bands. It will find the minimum VSWR and corresponding frequency for each band but a...Robot Power Products MegaMoto Motor Control Shield for ...
The Robot Power MegaMoto TM is a low cost robust H bridge "shield" for the Arduino TM and hardware compatible base units. The standardized shield format stacking headers allows multiple MegaMoto units to be controlled by a single Arduino Uno or Duemilanove using pass through stacking headers.Lithium Ion Battery Charger with Microchip MCP73831
Here's a simple and inexpensive compact lithium ion polymer battery charger based on Microchip's MCP73831 IC. It features adjustable current charging from 15mA up to 500mA for single cell lipo batteries. With this lipo charger just a few external components are needed. Constant voltage power supply of 5 ~ 6V is needed. Power can also be drawn from USB port.12v to 230v Inverter Circuit Schematic using Pulse Width ...
hi, it’s my first time build an Inverter neh, thing is, The circuit diagram of The pwm, doesn’t seem to make sense as it shows The ic with all sided pins while The one at The bottom and The one I bought is two sided and also, it doesn’t say as to The porality of The ic or where The lines to The mosfets come from. could you please grant me some clarity and if possibles, email me a more ...
schematic diagram of arduino frequency counter Gallery
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