hello, I am wondering if someone can explain to me EVERYTHING on the Arduino UNO R3 board (the pins, the things on it, etc), heres a picture so its easy to point/explain
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Wow. You don't want much, do you !
Start here https://docs.arduino.cc/hardware/uno-rev3/
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is it sarcasm?
Yes
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Hi @benjamin48270. You might find some of the information shared on this similar forum topic to be useful:
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1. The Arduino UNO Board (Fig-1)
2. The long IC on Fig-1 with 28 physical pins (PPin) is the
Microcotroller or
Microconrollig Unit or MCU
of type: ATmga328P (Fig-2)
3. PPin-23 (Fig-2) of the MCU is connected (by a copper track) with Pin-A0 of the left bottom edge connector of UNO Board (Fig-1).
4. A0-pin will acquire external DC signal for Channel-0 of the internal ADC (Fig-3, Analog to Digital Converter) if you plan to use the ADC for signal digitization. At this time, A0-pin is known as Analog Pin A0 (APin-A0). The following code samples the signal from APin-A0 and saves the digitized value in variable adcValue.
int adcValue = analogRead(A0); //adcValue holds 16-bit with upper 6-bit always 0.
5. PPin-14 to PPin-19 of the MCU (Fig-2) are connected with Pin-8 to Pin-13 (Fig-1) (by copper tracks on the PCB) of the right-top edge connector of the UNO Board. These Pin-8 to Pin-13 would be termed as DPin-8 (Digital Pin 8) to DPin-13 during digital data exchange between Port-B of MCU (Fig-5) and external devices. The following codes are valid:
digitalWrite(13, HIGH); //a LED connected at DPin-13 will turn on
6. Source of 5V Supply for the MCU
(1) The 5V originates from the Power Supply Unit (PSU) of PC and then comes to one of the four pins of the PC's USB connector and then travels over the connecting cable (Fig-4) and then arrives at the USB connector of UNO Board (Fig-1).
After that the 5V supply goes through the Fuse (poly fuse, 500 mA rating) and then enters into the MCU via PPin-7 (VCC).
The GND-line (0V) is a direct line between MCU's GND-pin (PPin-8 and PPin-22) and the GND-pin of the Power Supply unit of PC.
(2) ....pending
(3) .... pending
7. Alternate Functions of a PPin
... pending
//===============================================================
Figure-1:
Figure-2:
Figure-3:
Figure-4:
Figure-5:
//=============================================================
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Reserved for GolamMostafa-2
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Reserved for GolamMostafa-3
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oh wow, thank you so much
I found this to be very comprehensive
Please, continue reading my posts of this thread, which I am updating everyday with additional information. You are invited to ask question (s) of any level.
If you are interested to get Laboratory Experiments Sheets based on Arduino UNO, you may join in this Google Classroom: ArduinoWorkshop using the following Class code:
2cm5iqr
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