Configuring the PJON BitBangSoftware to operate the NodeMCU ESP8266 as a...
There is a very interesting development of a single-wire communication protocol between devices PJON But when using it, I was faced with the fact that I could not use NodeMCU ESP8266 as a transmitter....
View ArticleRegarding BLDC motor driver controller
I made an arduino code from several reference codes, but it is not working. Can somebody help me? #define hallA 2; #define hallB 3; #define hallC 4; #define phaseA 11; #define phaseB 10; #define...
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Using RX/TX on a ATmega4808
Hello I am using an ATmega4808 on a project and UNBELIEVABLY I have run out of pins again. I usually leave the RX and TX pins alone (PA4 and PA5). If I use these as inputs with pulldown 10k resistors,...
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Downloading index: package_teensy_json
Why am I seeing this message every time I start the IDE (v 2.3.2)? I would think that whatever package it needs it wouldn't download it again and again every time ? It's not bothering me too much, I'm...
View ArticleThe most basic GET-request with an Ethernet Shield - HELP
Hi, I'm struggling for weeks now to get a basic GET-request with an Arduino UNO in combination with the Ethernet shield. I want to use this configuration due to the stability of a wired network. The...
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Can I run the L293D with another VCC1 as source ?
Hello falks. I am running the L293D with an ESP8266-12E (3.3V). The datasheet though, says that the VCC1 Pin require at least 4.5V. But the ESP has 3.3V. But it still works with a 3.3V VCC1. The...
View ArticleArduino Learning - Emmanuel Katto
Hi Everyone, I am Emmanuel Katto from UK. I don't know much about electronics but want to learn Arduino. Can you tell me where i can find tutorials that are easy to understand. Thanks! Emmanuel Katto...
View ArticleSH1106 + SI4703 don't like each other
Hello I'm using the VMA11-Library for the SI4703 because it's the only one which gives correct RDS-Data. And it works - but only without the SH1106-Display. On the other Hand the SH1106 works without...
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Problem in controlling stepper motor rotation direction using 2 limit switches
Hai!!! Can you help me in controlling the direction of rotation of my stepper motor The components used are as follows: Arduino Nano 2.Stepper Motor Driver - A4988 (Vref 0.77v) 3.1A 125AC limit...
View ArticleHow to include a file in two or more sketches?
I have two Arduinos configured as master and slave using I2C. I've defined a set of commands so I need both sketches to be able to access the command definitions (a combination of structs and enums)....
View Article600VDC to 0...5V for analog input Arduino
Dear all, I need to be able to read values that range from 450VDC to a max of 600VDC where 450V corresponds to 1V input to an analog pin, and 600VDC corresponds to 5VDC. Using chatgpt I made a small...
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Using the Nano PWM output to controle RC Rotating light
Hi, I'm trying to control my RC rotating light from my Nano. The light are supplied with gnd and 5v+ and the PWM signal is connected to D5. The light is the following: There are 4 modes on the light,...
View ArticleArduino GIGA library WIFI
Hi everyone. New to the forum... I started Arduino programming 4 months ago. I started with arduino IDE then moved to visual studio code with plarformIo I think I managed to assimilate a lot of...
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MPU 6050 Code not sensing angle
Hi, Have been trying to use an MPU6050 to find the angle of a sensor. So far on serial monitor all of the angles only display 225. My arduino and MPU are connected in the same way as the webiste, here...
View ArticleCan i SerialPort.write(String)?
Hi I have been trying to send some Strings using rx tx communication. If I use SerialPort.write i cant send strings unless i write SerialPort.write("something"). I cant use already nominated strings...
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Connecting esp32s3 to siemens S7-1200 PLC over Modbus TCP
"Hello everyone, I'm new to working with ESP32 and Arduino, currently interning at a company where I'm tasked with developing an IoT project involving the ESP32S3 Walter (Walter). The project involves...
View ArticleArduino as a DC-Coupled USB/AUDIO interface
Hello. Is there someone who knows, how i can make an Audio interface ( important DC-Coupled) on Arduino ? If yes, wich Arduino it must be to? It is possible with Arduino UNO/LEONARDO and Adafruit...
View ArticleArduino Uno R4 MINIMA with UM7 and CANBUS
I applied the example of CANBUS with MINIMA with IMU UM7. As result I cannot accept the imu.pitch value from serial.print that I saw. Because It is slow and not update the real angle as I rotate the...
View ArticleConnecting a Arduino Uno to a Arduino Opta
Hello everyone, I would like to connect an Arduino Uno to an Arduino Opta so that I can use the Arduino UNO to send data to the Arduino Opta. So that the Arduino Opta can then process this data and...
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