The data are not display in phone
Hi, I am trying to to collect temperature/humidity with sensor DHT11 and visualize data via Bluetooth (module HC-05). I am using Bluetooth Terminal HC-05. Correctly paired the module. I can see...
View ArticlePowering Lolin32 with super cap and solar cell
I'm working on a project that will eventually be a solar pool thermometer using super capacitors for short periods when needed. For now to keep things as simple as possible I am using the blink sketch...
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4:29:03.567 -> Did not find fingerprint sensor :(
//*******************************libraries******************************** #include <SPI.h> #include <Wire.h> #include <WiFiClient.h> #include <ESP8266WiFi.h> #include...
View ArticleEsp32 cam and gps neo 6m
Hello..I have an Arduino uno board, esp32 cam, gps neo 6m and a sound sensor.For my project I have to send a photo and gps location through gmail or any other platform when sound is detected.Kindly...
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How to tell if Pro Mini card is 3.3V or 5V
Lost and confused. Bought on Ebay in 2020 as "Pro Mini 3.3V 8M 5V 16M Atmega328P Board Replace ATmega128 For Arduino Nano" Here are photos of both sides, can't tell if I run this on 3.3V or 5V. Any...
View ArticleHelp: adding arduino librarie to Tinkercad
I know this is a bit old, however, I have a problem that I haven't been able to solve. In this video you will find the solution to using ardunio libraries in Tinkercad that it does not support. The...
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55 pin md83 voltage wiring
Hello, I bought an MD83 engine instrument panel, I wanna know how can i turn it on (juste the lights) Tks 1 post - 1 participant Read full topic
View ArticleHelp circuit diagram
can some one give me diagram of how to connect - arduino with transistor (TIP120) , battery , 7segment display (cathode) note - just one segment will be enough for 7segment display - as i will use the...
View ArticleHow can I record sound with Portenta H7 to the SD card
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View ArticleNrf24lo1 with esp32
"I'm working on an ESP32 project, but the library size exceeds the flash memory capacity, including WiFi.h, BluetoothSerial, and TinyGPS++. The project involves using Bluetooth for control and WiFi...
View Article2 Arduino R4 Wifi Different Locations
Hey All! TIA for any insight. Heres the setup. Is this even possible? Stream g-code from my home desktop to my cnc machine 4 miles away. Home base has my desktop connected to LAN. Shop doesnt have...
View ArticleFacing issues working with neo 6 gps and simp900A gsm
i get the message GPS module not responding but my gps location led is blinking and my gsm is blinking after 3 seconds showing it sconnected my gps is connected rx 0 and tx 1 of arduino nano my code...
View ArticleWhat does brownout detected mean and how do i fix it ?
So i am following this tutorial but at 5.42 minutes after uploading the code successfully he opens serial monitor and presses rst on esp32-cam which then shows his address so he can use it to show his...
View ArticleProblem using i2c to write to a oled (nano ble sense Rev2)
I am trying to connect via i2c from the nano ble sense to a oled display using the ssd1306 library. I use the sample code from the ssd1306 library (ssd1306_128x64_i2c.ino) and I just simply connect...
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Arduino leonardo x uno memory
Hi guys, I'm using a code and I decided to see how much memory is needed for my project, so I checked my code with Arduino Uno and Arduino Leonardo (328p x 32u4 atmel) but in Leonardo the memory...
View ArticleHow i can reduce this code
HOW I CAN REDUCE THIS CODE BECAUSE I WANT TO USE SAME CODE FOR DAYS IN MY CLOCK. void Week(){ int myWeek = weekday(); Serial.println(myWeek); //for (int i=1;i<=7;i+1); //leds[NUM_LEDS]= CRGB::Red;...
View ArticleESP32 memory size
Hello, good luck to everyone, I want to keep the data from mpu6050 in Esp32. The data I want to keep is as follows (X: 0.28, Y: 0.38, Z: 9:75). Which part of Esp32 should I use? I want to record data...
View ArticleWebeditor problems - Really fed up
Ok, so using an esp32 for an IoT project, new updated web editor does not detect ESP32 board, so advised to using IDE2.3.2, this is down to a newly introduced bug. Happily used IDE all day, and needed...
View ArticleCannot access sketches with arduino jr account
Since the update on 5/6/24 my students are not able to access sketches using jr accounts. The students can log in but when attempting to retrieve their sketches the editor simply requests their log in...
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Car LCD display on Arduino?
Hello! I would like to connect my Arduino Uno to an LCD COG screen that I took from a car (Iveco Daily, complete reference is COG-VLIT1500-03). The screen has a 22 pins ribbon cable attached to it. I...
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