Arduino UNO R3 - now showing 3 red LEDS (is this faulty?) - Hardware - Arduino Forum

Hello, hope this is in the right topic, recently bought the above it was working but now show 3 solid red lights, It’s no longer showing up in the com ports, is this recoverable?

Description Features Documents At SparkFun we use many Arduinos and we're always looking for the simplest, most stable one. Each board is a bit

SparkFun RedBoard - Programmed with Arduino

Faint LED on X Endstop indicator

My new arduino uno is turn on with red light - IDE 1.x - Arduino Forum

How to Build an Arduino-based Memory Game, Arduino

Meet the Arduino Uno R4 Minima and WiFi, Part 1

Motoron M3S256 No power out of M ports - Motor controllers/drivers and motors - Pololu Forum

Getting Started with ESP8266 NodeMCU Development Board

Arduino Uno Specification – TOMSON ELECTRONICS

How to reset TX pin of Arduino UNO - Avrdude, stk500, Bootloader issues - Arduino Forum

RobotShop Arduino Experimentation Kit (HS422, GP2Y0A02YK) - RobotShop

LED circuit won't function - Project Guidance - Arduino Forum