My resistor gets too hot. What would be the correct size resistor to use?
Hi everyone, I am working on a project of my own and am completely new to circuitry. My project is supplied by 3.7v battery, and 5v from outlet when not running on battery. I am using arduino...
View Articletransformers
My question is this. We have three 37.5kVA transformers feeding our apt building. One is bad and our electrician wants to replace it with a 50 kVA. He say we can use it for a while until we can get a...
View ArticleOperational Ampifier integrator dead time in proteus 8
Hi! I'm using Proteus 8 to simulate a sample and hold circuit that involves an integrator op amp that gets from 4v to 0v in 400us when the input goes down to 0v; but the slope beginning seems to have a...
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MSP430 + CLion. Part 1: Build
I have a dream Actually, it's a very simple wish: to use the well known CLion IDE for embedded systems on msp430 chips. I'll try to report the topic in 2 posts. Here is the first one. My reasons First,...
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MSP430 + CLion. Part 2: Upload and Debug
In part 1 I've described the setting of CLion to compile C-programs for msp430 MCUs. Now it's time to look at the next part of developing embedded systems: deployment of the program to a target chip...
View ArticleA 2n3904 ,C.C. transistor amplifier output to drive a spkr. to audio range
I design my circuits at the hobby level, so anybody who has basic knowledge of electronics can get these kind of results too. That's the whole purpose of wanting to help those who are starting out, if...
View ArticleCan anyone help me with this control circuit?
Have practise questions to do for my capstone and it's been a while since I did this topic.. just wondering if anyone can help me figure it out, would really appreciate the help. Need to draw a control...
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Windows Bluetooth system analysis – a SensorTag approach
In the following, I will do an analysis of the Windows operating system (OS) from the point of view of communication with Bluetooth Low Energy devices – in our case with different types of SensorTags:...
View ArticleUsing an vibration sensor with a SMAKN® LM358 100 Gain Signal amplification...
Hello, I have been working on a science fair project for a considerable amount of time with a lot of setbacks. The goal of our project is to light up an LED with vibrations, and we are doing that with...
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Learn How to Download All Arduinio Boards Libraries for Proteus Software
The wait is over Follow Simple Steps and Download Proteus Software Library for Arduino ide Free of cost. This will help beginners as well professional. Interesting thing is that now user can test their...
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Lesson #3 transistor biasing for designing amplifiers part 1
OK, Let's actually make an amplifier, with 2n3904 transistors. And lets drive a miniature 8 ohm speaker. First off, an 8 ohm speaker is a very low impedance, however not to worry,,,,we now know how to...
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lesson #3 transistor biasing for designing amps part 2
continuation from last blog. Here are the actual pics on my oscilloscope (usb scope) the green is the output waveform. My real (breadboarded) circuit did better than the simulation. The original amp...
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shop vac water monitor demo and schematic.
Here is a very quick demo of the shop vac water monitor. And my transistor circuit design, schematic.
View Articlere using back emf into a resonant coil
I'm working with bifilar coils and have found some interesting effects, Like pulsing a bifilar coil with back emf, at the resonant frequency of the coil, creates a resonance that shows up like a usual...
View ArticleLM 741 OP AMP: inverted open loop op amp max gain and gain bandwidth
What is Gain bandwidth and how do you calculate the gain bandwidth of the inverted open loop op amp? I also want to know the max Gain for this Op Amp, which I'm assuming is just A=293000 @ 3.13 Hz, the...
View ArticleCascading Amplifier with single AC coupled Capacitor
cascading the RF Gain block amplifiers with a single AC coupled Capacitor create any issues? If so please let me know the same. Thanks in Advance. With Best Regards, Nagaraju D
View ArticleChange of the sensors's power supply
Hey ı have a current sensor circuit . Now ım trying to change power supply of sensor (acs 770 050B pff ) . Problem 1 : if ı connect 3.3 v (normal supply of sensor = 5v) power supply on this sensor ,...
View ArticleMy computer Journey first step
I decided on doing a series of projects to learn assembler. I plan on learning it with micro chips. Before I get there though I want to start at the ground level. Lucky for me I am not too shabby with...
View ArticleQSFP28 Optical Transceiver Is a More Ideal Solution for 100G Optical Network?
Before the advent of the 100GBASE QSFP28 optical transceiver (an optical transceiver that can be used to support 100G transmission), the development direction of the 100G network is 10G → 40G → 100G....
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