Answer by Mohammad Ali for Relay board and solenoid power source
I think that your problem may be that your relay board isnt reciveing a high enough voltage from the pi to trigger the relay to open as the magnetic field being created is likely not powerful enough....
View ArticleAnswer by Mohammad Ali for Can't mount Raspberry Pi NFS Server
First I would make the following bash script and call it delay:#!/bin/bash# $1：delay time(s)# $2：command# example:# delay 10 "conky -d"sleep $1exec $2Then I would make it executablechmod a+x delayYou...
View ArticleAnswer by Mohammad Ali for can the raspberry pi 2 automaticly setup crossover...
Although the Pi is capable of utilizing any cable as a cross over cable and will automatically detect this. The Pi is not capillary of assigning itself an IP address so unless your camera has a built...
View ArticleAnswer by Mohammad Ali for Can I have 2 RPi devices deliver the same WiFi...
You can run any two routers with the same name and password as you please. I do not believe that your client would automatically connect to the second router if it originally signed in with the first....
View ArticleAnswer by Mohammad Ali for How much power does a Raspberry Pi Need?
First off the raspberry Pi corporation has not realeased a model "3+" so assuming that you are using a model "3" the power requirements from the official FAQ located Here state that 2.5 amps is the...
View ArticleAnswer by Mohammad Ali for Raspberry Pi 3 and UPS Pico HV3.0A, cold boot
I'm no expert on the topic but I believe that the Pi will still place a load on your ups after it is shut down. Furthermore although you can't boot up your Pi using your pico ups what you could do is...
View ArticleAnswer by Mohammad Ali for Raspberry Pi + router + USB port sharing for file...
Yes this is possible as the USB port on your Pi is able to handle more than a single device if you use a hub. This is demonstrated on the Pi b which utilizes the same processor but also includes a USB...
View ArticleAnswer by Mohammad Ali for Raspberry Pi 3 Smartphone LCD
Im not too sure that this is doable, as any display's i've seen for the pi being marketed for the pi that don't use hdmi seem to use the pi's gpio ports and some custom code. I believe that this maybe...
View ArticleAnswer by Mohammad Ali for Will a Raspberry Pi 3 work with a 5tb Fat32 Hdd
i have personally successfully used multiple 4tb hard drives with my raspberry pi and see no reason why your 5tb and 3th drives would not be compatible with the pi simultaneously. The only potential...
View ArticleAnswer by Mohammad Ali for Raspberry Pi Monitor goes black periodically
id say that it may likely be due to power draw, your adapter(the hdmi to vga cable) you are using. If it isn't powered by itself it may be the cause of your problems, as the pi wasn't designed to power...
View ArticleAnswer by Mohammad Ali for PWM Controlled 12V Fan with dc-dc converter
I would personally recommend that you use either a dedicated power supply or a usb to 12v dc-dc boost converter like this. Furthermore do check whether or not your fan is capable of detecting a 3.3v...
View ArticleAnswer by Mohammad Ali for How to share an sd card across different pi models
I'm pretty sure one of the numerous barriers you may be facing is that the Pi 3 uses arms v8 architecture and the Pi model 1 uses arms v6 architecture. Which kind of makes what you're trying to do...
View ArticleAnswer by Mohammad Ali for Can Ubuntu budgie 17.04 be run on a Raspberry Pi 3...
No only a limited number of ubuntu versions can run on the Pi including but not limited to mate, kubuntu, lubuntu, xubuntu, and ubuntu-server these are the only versions that can run on the Pi as they...
View ArticleAnswer by Mohammad Ali for Is it dead? - Raspberry Pi 2 B
If powering the Pi via the micro-USB socket, all RPis except Zeros have a self resetting polyfuse which should prevent damage.In the case of a Zero or powering other RPis via the GPIO header there is...
View ArticleAnswer by Mohammad Ali for "No wireless interfaces found"
As the documentation that can be found hereSays, the command:Sudo airmon-ng check killWill “stop network managers then kill interfering processes left” which means that your raspberry pi’s ability to...
View ArticleAnswer by Mohammad Ali for Receive SMS Messages GSM SIM900 Using Raspberry Pi 3
Try changing these lines:p=list(find(fd, ",")) q=list(find(fd, '\r')) MsgNo=fd[p[0]+1:q[1]] With the following:P=fd.index(“,”)q=fd.index(“\r”)MsgNo=fd[p:q]
View ArticleAnswer by Mohammad Ali for How to light up picamera LED without taking photo
You can turn on the camera led through the pi’s GPIO using the python code below: #!/usr/bin/env python import time import RPi.GPIO as GPIO # Use GPIO numbering GPIO.setmode(GPIO.BCM) # Set GPIO for...
View ArticleAnswer by Mohammad Ali for Use GPIO to trigger button press in software
Connect a relay or an NPN transistor to bridge the two sides of your switch and program the Pi to set the base of the transistor or relay to high for about half a second - as if a button were being...
View ArticleAnswer by Mohammad Ali for Connecting several (roughly 100) Buttons to the PI...
You could simply wire the buttons up as a matrix, your usecase already describes the buttons being placed in a grid pattern. If you wire all the button pins vertically and horizontally you can form a...
View ArticleAnswer by Mohammad Ali for Connecting Raspberry Pi Zero W to ethernet and...
I have written you a tutorial below on how you can setup your pi as a router. although performance will likely be abysmal(sub 20mbps) because of the amount of encryption required to operate an accesss...
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