I have my raspberry pi connected to my router with an ethernet cable. Can I connect to the raspberry pi with my laptop without having an sd card?
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I have designed a program in Raspberry Pi Pico to read a 4x4 matrix-keypad and inform the Raspberry Pi 4 for the key detected.
I am using to send data from Raspberry Pi Pico to Raspberry Pi 4 over USB (virtual serial port). On raspberry Pi 4 I am receiving the data successfully on /dev/ACM0
I am using print command to send data.
print(f'Key Detected : {key_pressed})
While executing on Windows, I get strange behavior. As I run the program in Thonny, I get the message in shell but when I connect hyper terminal or CoolTerm I am unable to any messages.
Why is this happening?
Are there any computers that don't cost much more than Raspberry Pi 3, but unlike it, CAN be used with an HDMI auto-switch?
The Raspberry Pi is an "always-on" computer, so auto-sensing doesn't work with it.
I don't know if that is also the case with alternatives such as Orange Pi or Odroid C2.
And what if I powered the Raspberry Pi from a powered USB hub instead of directly from the wall, would that make a difference???
Thank you
I have install OS in SD card and after installation OS is boot successfully but display below message every time:
http://prntscr.com/fbhj3j
I did not connect LAN cable raspberry board.
If this issue is because I cannot connect internet using wifi? If yes, how?
You need to continue to follow the instructions here: https://developer.android.com/things/hardware/raspberrypi.html
A Raspberry Pi will not connect to the Wifi if you have not first connected to an ethernet lan cable first. (Once you are connected via ethernet you then can configure the wifi and finally remove the ethernet cable).
So you are up to this step:
Connect an Ethernet cable to your local network.
When this is connected, your screen will show the IP address of the Raspberyy Pi on your local network
I bought a raspberry canakit for some pi experimentation. I have a DELL computer screen but does not have HDMI input but as a DVI input.
My canakit comes with a default HDMI cable and im currently unable to connect it to the monitor.
Can I use HDMI to DVI converter cable to connect my pi? Just want to make sure I dont break any of my pi hardware by using this cable.
https://www.amazon.com/AmazonBasics-HDMI-DVI-Adapter-Cable/dp/B014I8UU2W
I am able to send data from sensor to server using Raspberry Pi, but my aim is to find the devices (for example a sensor) connected to the Raspberry Pi using any language.