Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [power-light]

The tag has no usage guidance.

2
votes
1answer
32 views

Normal Work of RPi 3B+

I am newbie and i want to understand watching only on indicators, is Rpi 3 B+ work quite well? I mean, are green and red lights should glowing both permanently together or red light can glows ...
0
votes
3answers
1k views

Powering RPI 3 and using relay from same source

I want to build something of a smart home device such as a smart switch /outlet for example that controls something like a light. However, I don't know what the wiring should be Like, if it's possible....
3
votes
2answers
1k views

Raspberry pi red light

I recently saw that my Raspberry Pi's red light (power light) flashes every few seconds. Is this normal? If not what could be the cause? I am using a raspberry pi 2 connected to a monitor, keyboard ...
1
vote
1answer
493 views

Lightning bolt then system crash. Only red light is on

I was using my pi 3 with the official power supply and compatible keyboard and mouse. I was just using geany like I normally would when the lightning bolt appeared (the sign for overloading the pi) ...
0
votes
0answers
18 views

Why is one of my Rpi3B power lights flashing? [duplicate]

I have a handful of Raspberry Pi 3B systems and one of them is doing something odd. It is working fine but the red power light is blinking. It is linked by serial to an Arduino Nano (to read ...