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Question regarding esistor tolerances

When I was starting out in engineering ~40 years ago, I was told that if a resistor manufacturer was making a bunch of 10K resistors, for example, then their actual...
Ideas for circuit without MCU that needs switch debounce

I need to write a column about using hardware techniques to debounce switches -- if the circuit included an MCU we could do the debounce in software, so I'm looking...
I am trying to build a device which identifies itself , for example , I am interfacing rf module of any frequent range with pic microcontroller and I'm building...
How to access gpio from userspace and kernelspace continuously and sequentially

Hello Everyone,I need your help to write a clean code to toggle gpio in userspace and kernel space simultaneouslyI am working on a project, which involves cryptography...
Hello, I want to build an embedded system. The difficult part is, it only gains power at certain times. So I obviously need a battery pack, and i need to charge...
Anybody experienced in Advantech PCM 9373

I picked a couple out of the 'for later use' pile. They each came with Philips LP104S5 LCD panels/.I want to build a dual dhcp and nfs server and thought that they...
Dear forum membersI study/work on event-driven programming in embedded systems for a while. I follow the Miro Samek's articles, book (Practical UML statecharts in...
When is a State Machine not a State Machine?

Suppose we have a loop() function in an Arduino sketch (program) that looks like the following:void loop(){ digitalWrite(PinLed, HIGH); delay(1000); ...
For a scientific project I'd need a linear polariser where I can control the polarisation angle on a pixel by pixel basis.My idea is to use an LCD, with only one...
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