Top new questions this week:
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The hardware I am using is ESP32 with MAX30102, MLX90614 and MPU6050 sensors and Using Blynk to show my data from the sensors. The issue I am facing is when I ran the code with all three sensors only …
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I am using ENC28J60 and EthernetENC library to connect an Arduino UNO with ATmega328 to the network. Everything works fine within the local network, but outside of it, I cannot ping the device. What …
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I have connected this Adafruit SD Breakout to a Teensy 3.2 over SPI. Because Teensy 3.2 is 3.3 V, I’ve connected the 3.3 V pin of the Teensy to the 3V pin of the SD breakout. See sketch below. I’m …
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I wanted to compare the debug output of the Arduino Zero when connecting via two different debug paths. Via the embedded debugger (EDBG) connected to Arduino IDE via USB Via the JTAG hardware …
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I am trying to create a class (Arm) which controls an arm. The arms have 2 motors, each with an encoder, so I pass 4 integers for the pins and I am trying to pass 2 pointers (one for each encoder …
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When I connected my Arduino Nano 33 IoT to my 2017 iMac (Ventura OS), the USB port did not show in the Arduino IDE port list, even after double-clicking the Nano reset button to put it in the right …
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I’m curently playing with sleep modes. When I push the button, melody starts, push again go to deep down sleep and save 3v battery, push again wake up and melody starts again. But seems like it doesn’…
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Greatest hits from previous weeks:
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I believe I can supply the Arduino with power in three different ways: Use USB. The design trusts the 5V to be regulated, and does not regulate it in any way. Use a regulated power source, trusted …
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I recently received a NodeMCU (identical to the one shown in the first picture below) and originally, I was unable to connect it to my computer which eventually turned out to be driver issues; however,…
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The standard is 9600 baud. That’s just the standard. Using a Arduino Uno SMD R2, what is the highest practical baud rate I can achieve? Bonus points for the audacious: How would you go about creating …
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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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For some weird reason, the following code doesn’t compile. I get a “stray ‘\302’ in program” error around volatile unsigned int encoderPos = 0;, and I have no idea what the issue is. I’ve been trying …
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I’ve been looking for a while inside Arduino’s files to find the core library. However, I haven’t found them yet. Where on my hard drive can I obtain the core library files (.cpp and .h) necessary for …
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I have a Arduino Nano (Sainsmart) that I’m trying to upload a sketch to. Under the Arduino IDE, the device selected was Arduino Nano w/ ATmega328. However uploading the sketch gives me the error …
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Can you answer these questions?
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I was getting an error 400. I can’t send the id of my rfid to my system so this is my code: void loop() { readsuccess = getid(); if (readsuccess) { digitalWrite(ON_Board_LED, LOW); …
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I’ve been trying to get my esp8266 to send a message to a telegram bot as soon as it connects to the wi-fi, whenever it encounters an obstacle, or whenever an SOS push button is pressed. But I didn’t …
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I am Playing with AC voltage and current measuring using ACS712 and ZMPT101B. I wrote the original code on CCS C for PIC Compiler platform. The measurement is ok but the the “Units” for the …
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