I’ve problem that USB serial cannot detected on device manager. The message is “USB\DEVICE_DESCRIPTOR_FAILURE”. Did everyone here experience the same problem when connecting MKR device for the first time. Please […]
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 […]
Hello, Got a uart-to-rs485 converter board from the AliExpress . Its schematic is very close to this one It has a 120ohm resistor at data lines however it is not […]
Hi there, right now I am planning to make a device which can detect a heart attack by using MAX30102 After a small research, I found out that a heart […]
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 […]
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 […]
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 […]
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 […]
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 […]