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by anshumantech
Mon Mar 18, 2019 8:32 am
Forum: Troubleshooting
Topic: No wifi Interface Found
Replies: 2
Views: 266

No wifi Interface Found

I BROUGHT A NEW RASPBERRY PI 3 BOARD AND USING MY OLD SD CARD WHICH HAS RASPBIAN JESSIE IMAGE FILE. WHEN I SWITCHED ON THE PI 3 AND WANTED TO CONNECT IT WITH THE ROUTER IT WAS SHOWING ERROR AS NO WIFI INTERFACED FOUND. I HAVE DONE 'SUDO APT-GET UPDATE' AND 'SUDO APT-GET UPGRADE' THEN ALSO I AM FACIN...
by anshumantech
Thu Dec 20, 2018 8:33 am
Forum: General discussion
Topic: Interfacing raspberry pi 3 with gesture APDS9960
Replies: 3
Views: 1174

Re: Interfacing raspberry pi 3 with gesture APDS9960

I have interfaced 7 sensor to I2C bus of Raspberry pi 3 out of which Light and IR (TSL2561) and Gesture (APDS9960) gets conflict because of their I2C addresses. In the datasheet of TSL2561 they have given three options of I2C addresses as if the ADD SEL pin connected to GND then it will select addre...
by anshumantech
Thu Nov 29, 2018 6:10 am
Forum: Troubleshooting
Topic: Stuck on rainbow screen
Replies: 11
Views: 8728

Re: Stuck on rainbow screen

I am using Raspberry pi 3 B+ model with Raspbian OS(latest version). But the PI stuck on Rainbow screen I was enable to get booting messages and the display screen. I tried not using a USB, a different power supply and adding "boot_delay=1" to the config.txt file but then also it was stuck on the ra...
by anshumantech
Fri Oct 26, 2018 8:24 am
Forum: Beginners
Topic: How can I use Xbee with Rasperry
Replies: 13
Views: 30427

Re: How can I use Xbee with Rasperry

I am interfacing Raspberry pi 3 and zigbee S2C module. when i am trying to communicate 2 zigbee module one is connected to Rapberry and other is connected to PC then they did not communicate with each other. import serial # Import Serial library import RPi.GPIO as GPIO # Import GPIO library import o...
by anshumantech
Fri Oct 12, 2018 5:52 am
Forum: Beginners
Topic: Pi Camera
Replies: 10
Views: 1678

Re: Pi Camera

Raspberry Pi camera provides SCCB interfaced like CMOS OV7670 camera module?
by anshumantech
Mon Sep 10, 2018 5:51 am
Forum: General discussion
Topic: Pi 3 Serial Issues
Replies: 30
Views: 53855

Re: Pi 3 Serial Issues

I have checked with the command rcv.decode('utf-8') after rcv = port.read() but it was giving error as "bytes object has no attribute as encode".
by anshumantech
Fri Sep 07, 2018 9:02 am
Forum: General discussion
Topic: Pi 3 Serial Issues
Replies: 30
Views: 53855

Re: Pi 3 Serial Issues

I am working on GPS module connected to Raspberry pi 3 via serial pins Tx, Rx with coding in Python 3.5.3 but i got following errors while i was trying to execute the code: 1. when i gave command as print (rcv.decode('ascii')) then i got error as “unicodedecodeerror:'ascii' codec can't decode the by...
by anshumantech
Fri Feb 16, 2018 7:34 am
Forum: Automation, sensing and robotics
Topic: TTL Serial Camera
Replies: 34
Views: 20116

Re: TTL Serial Camera

I am trying to interface 0.3 megapixel Serial JPEG camera (By ZM technology) with PC (using RS232) but it didn’t respond on hyperterminal. Can you suggest any solution?
I have attached the image of 0.3 megapixel Serial JPEG camera.
by anshumantech
Wed Nov 08, 2017 8:39 am
Forum: Beginners
Topic: Sending files via Bluetooth to the Rpi 3
Replies: 58
Views: 33731

Re: Sending files via Bluetooth to the Rpi 3

I used my smart mobile to connect with Bluetooth of raspberry pi 3 .It is unable to connect. It shows following errors:
1.'GDBus.Error.bluez.error failed: no such file or directory. try to connect manually'
Please help to analyse the mistake I may be done.
by anshumantech
Tue Oct 31, 2017 9:31 am
Forum: Beginners
Topic: Sending files via Bluetooth to the Rpi 3
Replies: 58
Views: 33731

Re: Sending files via Bluetooth to the Rpi 3

When im trying to pair my mobile to pi 3 then it is showing mi pairing request and if i accept that request then it is showing mi the error that 'GDBus.Error.bluez.error. failed:no such file or directory. try to connect manually.' i didnt get solution for this error please help me to resolve this.
by anshumantech
Tue Oct 24, 2017 10:54 am
Forum: Beginners
Topic: Sending files via Bluetooth to the Rpi 3
Replies: 58
Views: 33731

Re: Sending files via Bluetooth to the Rpi 3

I am trying top connect my phone to raspberry pi 3 (with builtin Bluetooth) it gets paired and connected but whenever i send file from raspberry pi 3 it shows following error 'obex-data-server not available obex data server probably not installed ' and when i send file from mobile to raspberry pi 3 ...
by anshumantech
Fri Oct 13, 2017 8:45 am
Forum: Beginners
Topic: Sending files via Bluetooth to the Rpi 3
Replies: 58
Views: 33731

Re: Sending files via Bluetooth to the Rpi 3

when i tried to send file from raspberry pi 3 to mobile i get error like "obex-data-server not installed "for that i used command sudo apt-get install obex-data-server but it was showing mi that it is already installed. i used obexpushd -B -n but that also failed.so how can i connect raspberry pi 3 ...
by anshumantech
Thu Sep 21, 2017 6:16 am
Forum: Troubleshooting
Topic: Cannot ping laptop from raspberry pi after sharing internet
Replies: 8
Views: 6773

Re: Cannot ping laptop from raspberry pi after sharing internet

I tried to ping mobile from pi 2 connected to a external wifi module over its serial but can't ping ?
by anshumantech
Tue Sep 19, 2017 8:27 am
Forum: Troubleshooting
Topic: Bluetooth not working
Replies: 22
Views: 2484

Re: Bluetooth not working

1.when i pair my mobile to raspberry pi's(I AM USING PI 3 HERE) bluetooth then the pairing is done but when i connect then it was showing mi error that "connection failed: GDBus.Error:org.bluez.Error.Failed:no such file or directory. Try to connect mannually." 2. when i tried to send file from raspb...
by anshumantech
Thu Sep 14, 2017 6:28 am
Forum: Beginners
Topic: Send pictures from Raspberry to smartphone over bluetooth
Replies: 22
Views: 23646

Re: Send pictures from Raspberry to smartphone over bluetooth

1.How can i check the file transfer from my android mobile to raspberry pi 3? 2. when i pair my mobile to raspberry pi's bluetooth then the pairing is done but when i connect then it was showing mi error that "connection failed: GDBus.Error:org.bluez.Error.Failed:no such file or directory. Try to co...
by anshumantech
Thu Jul 13, 2017 10:59 am
Forum: Troubleshooting
Topic: STICKY:I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.
Replies: 335
Views: 524733

Re: I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.

Whatever settings you told were done and in my program when i change the serial0 file with the ttyAMA0 then the error was not occur but the program didn't show any output on the python shell. So is there any problem in program? Program- import serial # Import Serial library import RPi.GPIO as GPIO #...
by anshumantech
Wed Jul 12, 2017 9:54 am
Forum: Troubleshooting
Topic: STICKY:I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.
Replies: 335
Views: 524733

Re: I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.

So i have to change that file from my program or have to do something else. Because I have done the setting in ras-config as disabled the serial console. Because i am using pi first time and also the python programming.
by anshumantech
Sat Jul 08, 2017 9:30 am
Forum: Troubleshooting
Topic: STICKY:I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.
Replies: 335
Views: 524733

Re: I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.

Result when i run the ls command [email protected]:~ $ ls -l /dev/ttyS0 crw--w---- 1 root tty 4, 64 Jan 1 1970 /dev/ttyS0 [email protected]:~ $ ls -l /dev/ttyS0 /dev/ttyAMA0 /dev/serial0 /dev/serial1 lrwxrwxrwx 1 root root 5 Jan 1 1970 /dev/serial0 -> ttyS0 lrwxrwxrwx 1 root root 7 Jan 1 1970 /dev/serial1 -> ttyA...
by anshumantech
Fri Jul 07, 2017 11:38 am
Forum: Troubleshooting
Topic: STICKY:I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.
Replies: 335
Views: 524733

Re: I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.

From this command what exactly you wanted to suggest me? I replaced file from /dev/serial0 to /dev/ttyS0 and ttyAMA0 in my program but it is showing the same error.
by anshumantech
Thu Jul 06, 2017 9:55 am
Forum: Troubleshooting
Topic: STICKY:I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.
Replies: 335
Views: 524733

Re: I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.

when i run the ls command the command will show the following results. but i didn't understand the groups command. and didn't understand how it will resolve my serial0 problem?? result- [email protected]:~ $ ls -l /dev/ttys0 /dev/ttyAMA0 /dev/serial0 /dev/serial1 ls: cannot access /dev/ttys0: No such file ...
by anshumantech
Mon Jul 03, 2017 12:25 pm
Forum: Troubleshooting
Topic: STICKY:I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.
Replies: 335
Views: 524733

Re: I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.

i have two raspberry pi 2 models.i followed forum specified procedure to downloading the os in micro sd card and mount it.one pi 2 worked while other didn't. i would like to have its circuit diagram to troubleshoot out it. also suggest mi a few test points to confirm its death. also The spaces are i...
by anshumantech
Sat Jul 01, 2017 12:20 pm
Forum: Troubleshooting
Topic: STICKY:I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.
Replies: 335
Views: 524733

Re: I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.

the command ls -l /dev/ttys0/dev/ttyAMA0/dev/serial0/dev/serial1 doesn't work it is showing the error as cannot access the /dev/ttys0/dev/ttyAMA0/dev/serial0/dev/serial1: no such file or directory.
by anshumantech
Wed Jun 28, 2017 12:20 pm
Forum: Troubleshooting
Topic: STICKY:I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.
Replies: 335
Views: 524733

Re: I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.

I am working on the raspberry pi 3. I am using serial port but it doesn't work whenever i run my python code i get error to serial0 as couldn't open the port. i edited the config.txt file still it won't work the error is still coming. below is my python code and the error which is came whenever i ru...
by anshumantech
Wed May 03, 2017 4:56 am
Forum: General discussion
Topic: How to use Gyroscope(FXAS21002C) with raspberry pi 3
Replies: 16
Views: 4927

Re: How to use Gyroscope(FXAS21002C) with raspberry pi 3

scotty101 wrote:What data do you get from the chip?

Code: Select all

print "Gyroscope", %data
is the line of code that should output something.

Code: Select all

print "Gyroscope", data
I'm getting this data form Gyroscope sensor.
Gyroscope [49, 37, 36, 172, 200, 43]
by anshumantech
Wed May 03, 2017 4:25 am
Forum: General discussion
Topic: How to use Gyroscope(FXAS21002C) with raspberry pi 3
Replies: 16
Views: 4927

Re: How to use Gyroscope(FXAS21002C) with raspberry pi 3

Are you really connecting directly to that chip? Most people would use a break-out module. The connections you describe are not compatible with I2C communication with the Pi. Hello joan, I'm using a break-out module for Gyroscope. pin no 4 RST_B is connected to VDD Now it is compatible with I2C com...

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