I want to check ultrasonic sensor data by micro SD card. ultrasonic protocol is I2C. but Serial monitor show "Couldn’t open log file" message me. I don’t know why. When I used another Lidar sensor by PWM, I can save a data. But, Same sensor that use I2C Method cannot save a data. Are there ..
I’ve gotten a lot of the errors to go away, but I’m trying to make the KnowFlow water monitor for my fiance and don’t know the first thing about coding. I’ve pasted everything in as plain text but don’t really know where to go from here. Here is the github. I think the stray7 etc ..
I’ve pasted everything in as plain text but don’t really know where to go from here. Here is the github. I think the stray7 etc are all special character issues? I will paste in my code for the GravityOrp, GravityPh, and SensorDo since I don’t understand what the last few errors for those three are. ..
I am having issues with my program. The modules are keypad,Buzzer,vibration sensor,LCD i2c . At first LCD should show locker. What i need is if vibration sensor picks an input the buzzer should act non stop.The LCD should show warning. And if a password of ‘888’ is pressed the LCD should come back to normal ..
I want to use the mac address of my system as a topic name. I want something like : project/00:1B:44:11:3A:B7/temperature/status I tried in this way: #define TEMP_STATUS_TOPIC "project/" + WiFi.macAddress() + "temperature/status" #define TEMP_CONTROL_TOPIC "project/temperature/control" But I get this error: no matching function for call to ‘MQTTClient::publish(StringSumHelper&, char , size_t&)’ Any tip will be greatly ..
So Im using the example code for Gyroscope Raw Simple from the GitHub doc: https://github.com/jarzebski/Arduino-MPU6050 After including all the headers and extra code stuff, I press upload, it says ‘Initialize MPU6050’ and nothing else. I included some debugging print lines so I can tell only the first 2 prints in setup are working. Does anyone ..
I just have a small problem with this Arduino library: CD74HC4067. I am not sure how to use multiple buttons with this multiplexer library. I have an Arduino Mega 2560 and the CD4067BE [multiplexer]. The connections are fairly simple: just like this, but with the signal pins going to 2, 3, 4, 5, and 6: ..
I have tried every possible way to fix this error. Please check my code at https://github.com/Spartan037/honeypot_server I don’t know why it’s not printing the info i.e. void showinfo() in honeypot.ino Please help me out. (P.S.-The code is verified and OLED seems to working with other codes). Source: Windows Que..
I am using the ESP8266 to read data from the grove SCD30 sensor. When I upload the code, the sensor starts off fine, after a few returns from the sensor, the LED on the ESP stops flashing and stays lit. The output on the serial monitor also stops outputting anything with no error. #include "SCD30.h" ..
i do not tend to use arduino that much, but this time i am getting stuck on this part. What im trying to do is a braile translator for a friend of mine wich has disabilities and Visual impairment. Each collumn of this array will have a perforation when it encounters a 1 int arr ..