I need help with Arduino IDE adding adxl345 to my current code
I have got this problem I am doing school project in arduino this is my like 3rd project first 3 were much easier now I am doing "black box" or Flight data recording I am using Arduino Uno,...
View ArticleFail to set Baud rate for Module Sim7000C
Hi, I uploaded the example code from DFRobot_SIM7000 to my Arduino Uno R3 that connect to module Sim7000C expansion shield but the serial monitor display "Faile to set baut rate" /*! * @file...
View ArticleAn Arduino IS a Power Supply
"An Arduino is NOT a power supply" is a hackneyed nostrum at best. Contrary to the rubrics - an Arduino IS a power supply. That's not its primary function. And this facility is definitely limited,...
View ArticleHuskylens Code to Nano ESP 32 Code
How do I fix this error? #include <GSheet32.h> GSheet32 Sheet("AKfycbxMZikdFlL1r2JCWe0Bjsl8Fc4Kca_lnL86yJtv1er4dG-oyWTEpbEcoH_8C7wPFm4R"); const char* ssid = "Tradition1871"; const char*...
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HD44780 initialization failed LCD 1602 I2C
Hello, I am using an LCD display 16x2 with an I2C module (based on the PCF8574 IC, see 2nd pic) alongside a Arduino Uno WiFi Rev2. I'm a beginner to Arduino and I want to use the LCD display as part...
View ArticleNeed help making this bluetooth ball gun
Hello everyone, I am a student doing a projet, making a bluetooth ball gun, with MIT app inventor. It works by firing the ball into two motors, and changing the angle with a servo. I have found a...
View ArticleTwo ESP32's One Switch
Hi everyone, I’m just about to start my first project and I’m seeking help with a hardware issue. What I plan to do is operate two mobile phones to take stereo photographs/videos by programming two...
View ArticleUint8_t Division
Hello, what would be the best way to divide an unsigned 8 bit integer e.g. I want to do 112/255 and return the value as a float. 10 posts - 5 participants Read full topic
View ArticleESP32 CAM and Video transmitter for FPV Camera
I have couple of ESP32 CAM ( mostly clone). They stream at a decent rate when I use them close to the smartphone using its hotspot. Is it possible to use a video transmitter that are used with FPV...
View ArticleHomeGenie Mini for ESP32 and ESP8266
Hi everyone, a new version of HomeGenie Mini has been released. HomeGenie Mini is an open source library for creating smart devices with no effort. It is based on espressif/arduino and it includes...
View ArticleLCD and output logical serial conflict ?
Hello, I have developed a simple application which receive the GPS signal using TinyGPSPlus and display some of the fields on a 20x4 LCD using hd44780 support. This work fine on a UNO. I was asked to...
View ArticleLinear Actuator programming
Hello! I'm currently working on a project (boat tiller) involving this linear actuator https://www.smcpneumatics.com/LEY16LB-200.html. I am connecting A/B from actuator to a BT6600 driver. The...
View ArticleArduino detecting sound and with Max7219 display
Does anyone have suggestions for detecting sound with a sound sensor module to display on a MAX 7219 display with more illuminated dots for higher sound levels? I could use assistance with both the...
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Trouble with reading NFC cards with PN5180 module
I bought a PN5180 module alongside a BSS138 level shifter not long ago, and I am having trouble getting it to read NFC cards. The library that I am using is the forked PN5180 Library from tueddy:...
View ArticleDMX output giving errors
Hello, First of all, this is my second arduino project. It is coded with a lot of help of ChatGPT, so it certainly isnt the cleanest code but it does the job...sort of. this code is made for a DMX...
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Espresso machine constant pressure
Hi, I got a little over my head with this one and am hoping for some help. I simplified some of the early Gaggiuino schematics, created a circuit board, and now need help with the code portion. I'm...
View ArticlePrinting Symbols to LCD screen
Hello I am looking for some help with a college LAB we have to print 3 symbols onto the LCD screen using ascii numbers so for example i got that 91 is the number for the micro (u) symbol I'm not sure...
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2x ESP32 synchronising LED effect code
Hi all. I am not a programmer, and my programming knowledge is pretty much depleted when I insert some LED effects code or a little bit of modification of those. I really would like to do a project...
View ArticleAvoid Short when using different Plugs
Hello there, I have some TRS Sockets (Female) ( Phone connector (audio) - Wikipedia ) Hooked up to analog pins (T -> A0-3, R -> VREF, S -> GND). This allows the usage of external Expression...
View ArticleIf this is real, it's sick!
I have a sketch that counts void loop() executions for 1 second, prints that, zeroes the count and repeat. The one from 2018 got like 128K. Now I have it print the low 16 bits of millis just to show...
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