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How to do bitwise shift across several variables/array members?

Say there is an array, having 16 member, 1 byte each. I want to shift bits say to right in that way, that the byte that "leaves" say 1st member, gets shifted in into 2nd member, and so on (and bit...

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How does a CPU work on the hardware level?

I'm a student and learning the CPU course. But I don't really know how does a CPU work on the hardware level? All the transistors etc. I would really appreciate if you could explain it from a technical...

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Vishay 2x16 OLED Display (aka Winstar WEO001602B)

The Vishay OLED-016O002B is a 2x16 compact (53mm x 20mm) OLED display that uses the OLED-0012 controller. The OLED-0012 is substantially different from the OLED-0010 controller (used in most other...

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Thoughts on using I2C LCD... or should I just stick to 4 bit parallel mode?

Hi all, I've lurked about the forum for years when I needed help with some code for my occasional PIC based hobby stuff. So when I first got into microprocessors I initially used a PARALLAX kit I...

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Im glad I finally signed up

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Arraywrite converts all letters to uppercase?

Hello. Code: topline        var byte [6] arraywrite topline, ["ABCabc"] FOR X=0 TO 6 LCDOUT $FE, $01, DEC topline[x] pause 1000 next Outputs same codes for abc as for ABC. Seems like characters are...

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Could you analyze the bridge circuit related using this TDA2822M?

I'm learning TDA2822M ic amplifier too, brother. I use 1k5 resistor before the each input pin (pin 6 and pin 7). And i use 1k resistor rather than 10k resistor from input pins to the ground. And i put...

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Can't program a 12LF1840?

Hi All, Usually I use 12f863 in my projects but can't get them anywhere. I managed to get some 12LF1840 pics and find when I try to program them all 5 come up with the error of 'Target device does not...

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another state machine example

on the other forum this was asked Quote: I'd like to create a millisecond counter with a range from 5 milliseconds to 40 milliseconds. It does not have to be resolved to a single millisecond; e.g. need...

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Audio player

I have a request for an audio player. The 12 audio files will be stored in a SD card (either mp3 or wav). Each file will be 30 sec long and after user selection, it will be played in a loop. All these...

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Problem regarding mje13007 transistor control circuit

For npn MJE13007 transistor, I connect the collector to the 24V relay, the other end of the relay to 24V positive, the emitter to negative, and the base to the 1K resistor to the optocoupler output....

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"Stretching" a byte variable into two byte variables?

Hello :) I don't know the exact term I need, so here's what I'm doing. Since I've created custom 8x8 fonts for ST7920, I also want it to be able to display bigger letters too. Stretching vertically is...

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is covid crisis over ?

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HW-179 8-Digit 7-Segment LED Display (Cascaded MAX7219s)

My earlier post provided sample code for a single HW-179 8-digit 7-segment LED display. The MAX7219 provides for a cascade configuration such that multiples of 8-digit displays can be connected to...

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How to read from single LOOKUP table into different variables?

I'm making my own "library" for ST7920 display, which allows to display 18x4 lines of custom charset, in dimensions of 16x2 LCD display. Since there is no string variable support in PBP, I want to find...

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Send Valentine's Day Gifts to India and make your love known to your Love...

The most beautiful things in the world cannot be seen or even touched. They must be felt with the heart. For they are the emotions that keep us going in life. And love is the highest form of human...

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All kinds of electronic components are welcome to inquire

Utmel Electronic is the professional distributor of electronic components, which provides you a large variety of products to save your time, effort and cost with efficient self-customized service,...

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