What Module Can I Use to Measure DC Voltages Up to 40V, or Should I Build a Voltage Divider?

Hello, all. I am doing a project in which I need to measure DC voltage up to 40V. I know that I could do a simple voltmeter using 2 resistors […]

Troubleshooting ADC Readings from Photodiode on Arduino

Hi everyone, I am trying to rebuild a device and have wired everything according to the schematic: You can see that the output pin of the photodiode (pin 5) is […]

Why isn’t my “Hello World” displaying on the LCD screen despite correct connections and power?

Hey Devs , I’ve been trying to make this simple LCD screen circuit that displays “Hello World”. I have made my connections like this And my code is very simple […]

Incorrect Battery Percentage Reading on MKR 1010 with 3.7V Lithium Battery

Hi I am using the following code to monitor a 3.7V 800MAH lithium battery to power my MKR 1010, and I have all the required library. However, this code always […]

Trying to establish SPI communication between two Arduinos

I’m trying to establish SPI communication between two Arduinos. When I directly wire pins 10, 11, 12, and 13 of both Arduinos, it works well and I can make them […]

Do you guys have any idea where I can find this type of transformer?

I have a AC function generator that outputs a maximum of 20 volts. I need to connect this generator to a Step Down Transformer, keeping the sine wave on the […]

Can anyone provide me with a code for 2 servo motor with esp32

Can anyone provide me with a code for 2 servo motor with esp32

What’s wrong with my code?

Hello everyone, I was just wondering why this piece of code is not working. The code get uploaded normally to arduino But when I move the gyroscope it just give […]

Arduino Wifi1010 Not Showing Online in Arduino Cloud

My Arduino Wifi1010 board is connected to an Opla IOT kit, and the device won’t show it’s online in the Arduino Cloud devices section. I tried uploading a basic code […]