Top new questions this week:
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I’m trying to make a fairly simple program that interfaces with the Adafruit TSL2591 light sensor as well as a MAX30102 pulse oximeter. They both use I2C for communication. I’m using the recommended …
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I tried to upload a sketch on esp32 devkit v1 (wroom) picture of my board is below : but this message is always printed on the serial monitor continuously and quickly : rst:0x3 (SW_RESET),boot:0x13 (…
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Hopefully the thread title isn’t confusing – I’m trying to find out how would it be possible to make a different way of proximity warning with GPS. Default/simplest way is by forming a radius around a …
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I’m trying to build a simple device to monitor my heart rate. The components are the following: A TFT 2.8″ LCD screen to display relevant information for the user. 3 buttons for the user to …
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I have a ESP-S3 board and am trying to get JSON data from our server. I am using the following code (see below) as a basis for mine. This code works. If I change jsonplaceholder.typicode.com/…
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I tried to get the gps coordinates with this program: #include <DFRobot_sim808.h> #include <SoftwareSerial.h> #define PIN_TX 8 #define PIN_RX 7 SoftwareSerial mySerial(PIN_RX,PIN_TX)…
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Greatest hits from previous weeks:
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I’ve bought this module Kootek GY-521 MPU-6050 MPU6050 Module 3 Axis analog gyro sensors+ 3 Axis Accelerometer Module My project will involve affixing this to a moving object, moving at velocities …
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I would like to play a wav file (spoken words) from my Arduino. I do not want to add a sound shield. Is there a way to play a sound through an output pin? The quality does not have to be great.
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I have hooked up 2 channel 5-volt relays with NodeMCU v1.0 as shown in the fritzing below. Relay are powered with a different power source than NodeMCU. As of now, I am powering the NodeMCU from my …
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I keep getting this error message: “‘Keyboard’ not found. Does your sketch include the line ‘#include <Keyboard.h>’?” … when I have already included Keyboard.h. #include <Keyboard.h> …
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I am new to programming and am trying to communicate with my arduino using python through serial communication. I am using the following code: Arduino code: int ledPin = 11; void setup() { Serial….
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C on embedded systems has traditionally use structs to hold structured data. Arduino brings C++ to the table, so we can use classes instead. Lets say we have two different data structures which …
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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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Can you answer this question?
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I am trying to do a small project with SIM800L with Wemos d1 mini. It is a DTMF based project. The problem here is, every time I make a call the d1 mini is getting reset. This is my first project with …
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