Greatest hits from previous weeks:
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I'm confused about how and when to use the reset button on the Arduino. Do I simply press the button while it is on? Is it simply restarting the board or clearing the uploaded code as well? Currently ...
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I have many Arduino Mini Pro, every from different seller.
Few are 3.3v and most 5v.
I had to clean table for Xmas and now I do not have any idea how to identify 3.3v Arduinos.
They do not have any ...
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I want to make a circuit that control speed of DC fan Using Arduino PID Library to get thing at specific temperature.
The circuit looks like this but can be changed, The dc fan motor connected to PWM ...
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What is the difference between Serial.write and Serial.print? And when are they used?
Both have been used to print on serial monitor, what are their actual differences?
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GOAL
From Arduino UNO, send AT commands to ESP8266 via a SoftwareSerial port and receive results.
CURRENT STATUS
I either send AT commands and get nothing back (wiring scheme 1) or I send AT ...
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I have a 1602 LCD screen that works fine on its own. However I wanted to free some pins by using an I2C / IIC LCD controller I purchased separately.
While the controller seems to be communicating ...
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What are the unused pins in an Arduino L293D motor shield? I want to connect the shield using wires instead of directly mounting on top of the Arduino board.
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