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Setting Timers to Toggle PWM Pins on Arduino Uno, Can A Different Initial...
I am trying to generate two 100KHz square waves to drive a full-bridge inverter using an Arduino Uno, with the following code: TCCR1A = bit(COM1A0) // toggle OC1A on Compare Match | bit (COM1B0); //...
View ArticleProblème de boutons pour coder un jeu Simon
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Sevent segments hc595 problem
Hello, I need a little help since I have a problem with my project using three shift registers hc595 and three 7-segment displays. My problem is that I load my board with a counter program from 0 to...
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Extended PWM module for servo control - TLC5940
Hey all! I am trying to control a number of servos using PWM. As quick background, the max current each of my servo motors will draw will be about 180mA and I have about 10 of them. I have a power...
View ArticleStepper for R/C
Good day . I am wondering if using steppers will be a good idea for fitting them in small Rc gauges. Would it be possible to set all the stepper motor positions to zero by coding a switch button on my...
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Use of Ipto - isolator as input with Uno
I am not familiar with ipto-isolators but based on my reading, they may solve my project problem. I have a 12v external power supply that I want to drive some kind of switch that connects the ground...
View ArticleModel Railway Turntable - in a spin so much Im dizzy
Firstly, my apologies for using incorrect language etc. I am very new to all this and am trying to learn extremely quickly. I am extremely appreciative of any help that can be offered and thank you...
View ArticleEsp32 c3 LuaTOS board SD card problem
I am using this board: ESP32C3-CORE Development Board - LuatOS documentation I tried to attach an MicroSD card to it via SPI (no MMC available for C3). I used the right pins provided by the board, and...
View ArticleTwo TOF one MPU problem
hi there i am using two vl53l0x sensors and one mpu6050 , for each software (in the libraries examples) they work fine but i tried to hook them in one software things got ugly. serial monitor would...
View ArticleDoes anybody use ULPTool in 2024?
I use Arduino IDE 2.3.2 today, but have used Platformio too. I want to use the ULP but I'm finding it difficult to find up to date resources. I'm very keen to use some of the examples on GitHub to...
View ArticleTwo - 18650 lithuim battery 3.7 volts and 9900mAh each directly connected to...
i have a lithium battery with 3.7 volts and 9900mAh i want to know if i am to use two of it and power the arduino using it, wont it destroy y arduino? im planning to use it directly no, like ill put...
View ArticleArduino leonardo bootloader dead
Hello everybody! My arduino leo is pretty much dead and I don't know what to do. I tried icsp dozens of times nothing worked. I tried to upload it from a mega and from an uno and yet nothing worked. I...
View ArticlePololu 3pi downloading programs
My Pololu 3pi will not download any code from USB or programmer, sure there's a simple fix, involving the reset button, but just can't remember it.. Any help would be realy useful. Mel.... 3 posts - 3...
View ArticlePWM Dim a DC-12V Led
I found some 12V-DC Leds that use the E27 Socket, which I want to use. They say that they aren't dimmable and I am assuming this only holds for voltage-dimming and not pwm right? These should have...
View ArticleEsp32 Cam Accessing without going through WebServer
Does someone know if/how you can just access the camera without having to go through the wifi or any type of host and simply have the view by connecting it by cable to my computer ? I've seen a lot of...
View ArticleRS485 anemometer connected to an ESP32
Hello, I'm trying to use a ZTS-3000-FSJT-N01 anemometer which uses RS485 protocol. I've connected the black and brown cables to a 15V power supply that's working fine. The yellow cable to the A+ and...
View ArticlePull-up / pull-down resistor
Hey! I was just wondering what the value of a pull-up / pull-down resistor should be. If there is no specific number, then what factors can help me choose the appropriate value? Thanks! WB 11 posts -...
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How to address this header file ?
Hi, I copied source code for the esp32_3248s035C display. I removed the non-arduino files and kept the C/C++ files. I want to address the header files in my custom folder: I tried this addressing but...
View ArticlePreferences.h and pubsubclient.h not working
I have a weird problem (or I might be an idiot). I have a basic sketch that sets basic things about my system using preferences. It sets wifi ssid, wifi password, mqtt server, mqtt username mqtt...
View ArticleTwoWire::onReceive() Error for DS1881 Example Sketch
Happy Memorial Weekend 2024! I have a sketch that is designed to show off the features of the Dallas / Maxim DS1881 Digital Potentiometer. It was written back in 2019 By Ian Lindsay, a really nice...
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