Working with DHT22 and AHT21 humidity and temp. sensors
Hii, all, I am new to this platform. I am working on a little project for which I want to connect 4 temperature sensors, 3 temperature and humidity sensors and 2 pressure sensors and possible also...
View Article9dof imu and lux sensor through a multiplexer
Hi im doing a project in which i need to run 1 ICM20948 9dof imu sensor and 2 veml7700 lux sensors through the PCA9546 I2C multiplexer. Separately they work absolutely fine however when the 2 codes...
View ArticleLiquidCrystal I2C library that works with MKR
Hello, I'm trying to run a sparkfun LCD through the I2C port on my MKR board. The example I'm trying to follow tells me to use the LiquidCrystal I2C library. When I go to compile, it tells me that the...
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SIM7600G module + Arduino Nano
Hello guys, i need some help getting my SIM7600G module to work with my Arduino Nano. Unfortunately, i couldn't find any good tutorials/solutions for my combination. The closest one i found was this...
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Brother T77H505 WiFi Module
Hello for all, I saw someday here a topic about the Brother T77H505 WiFi Module and I made some Discoveries, Just for information This WIFI Module is based on Broadcom BCM43143 and manufactured from...
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Esp32 dosn't have a vin pin
hi all in my esp32 i cant find a vin how i can know the pins this is the photo 3 posts - 3 participants Read full topic
View ArticleRTOS priority in infinite loops
I am having a confusion regarding the tasks in an RTOS. consider I am using a single core and it has two tasks. Both tasks have infinte loops as I want Blinking LEDs in these loops. The first tasks...
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Controlling Multiple Servos Separately And Together
Hi, I was wondering if anyone would know the code for controlling multiple servos with multiple potentiometers, then using a button to toggle to a state where a separate potentiometer controls all of...
View ArticleShooting animation on 1.8 tft
I am trying to figure out how to change some code to shoot a second bullet shortly after the first one shoots but it shoots after the first bullet moves to the edge of the screen #include...
View ArticleNotification for Arduino disconnected from IoT Cloud
Hi, I've seen a few posts on this but no solutions, so i'll try again. I have a project that is integrated into the IoT cloud, I have push notifications setup so i can receive alarms from the Arduino...
View ArticleAudible litre-counter
Good morning everyone, I'm new here but I have an important question to ask... On my farm I would like to have a device that measures how much water passes inside the tire, making an acoustic signal...
View ArticleProblem with temperature updating in the code
#include <Wire.h> #include <hd44780.h> #include <hd44780ioClass/hd44780_I2Cexp.h> #include <Encoder.h> #include <max6675.h> // Include the MAX6675 library // Define pins...
View ArticleScope problem with methods
I'm learning C++ and have a simple class to operate a 7-segment display. The code was compiling cleanly and then I broke it. I don't know what is broken. It acts like some of the methods are...
View ArticleGxEPD2 GDEY1248Z51 (uc8179) - How to start?
Hi @ZinggJM , we had a small discussion about parallel panels - I did some more research. And found this product: https://x.alibaba.com/AwHoY4?ck=pdp It’s quite cheap - 140$ exluding shipping. I want...
View ArticlemBot Mega code not finding included files
// Let Mega walk like a crab // generated by mBlock5 for MegaPi // codes make you happy #include <Arduino.h> #include <Wire.h> #include <SoftwareSerial.h> #include...
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I2C Fram circuit not worked (MB85RC256)
Good afternoon, I'm developing a board with a set of sensors. I use a 256 kbit FRAM (MB85RC256) to store the data. In the beginning I used an already assembled breakboard, and it worked correctly. I'm...
View ArticleSerial Monitor Data onto Another Device
Can you have the information displayed on the serial monitor transferred onto another device? I want to see the serial monitor information when I'm away from the computer. 9 posts - 6 participants...
View ArticleHTTP Request while still counting inputs
Hi, I am a newbie to microcontrollers, so apologies if this is a stupid question. I have tried to search for this issue, but I am not really sure what search terms I should use. I hope this is in the...
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It shouldn't light up as I push the button down
So I thought I had the code working but Ive got a huge problem. If I hold the button down the led still turns on and I really dont know what to do anymore. The led should only turn on AFTER I release...
View ArticleStange ghost interrupt on ESP32 + rainmeter + Domoticz
I have ghost external interrupt on a rainmeter connected on an esp32. The esp32 send data to domoticz via wifi with http/json API. The external interrupt FALLING fire 3 times/hours up to 1 time every...
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