is there any way to use the ADS1115 with a raspberry pi pico?, I'm in the middle of a project where I need 4 analog inputs but the pico only has 3, I'm using circuit python btw... any help is appreciated
I found this on github ads1115 and raspberry pi pico i hope it will work for your project!
You can also watch the tutorial on youtube here
So i used this library. The ADS1115 just connects to a i2c port and your off to go. One thing to note that you will need to do single shots for each adc read. You can only do continues sampling on one channel at a time.
https://github.com/robert-hh/ads1x15
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I have spent numerous hours googling for the solution, but no tutorial or guide uses the LED's that I own. Everyone keeps mentioning Data IN, and Data OUT, but there are no such markings on my LED's.
I only know that I need to connect the 5V on LED with VBUS (Pin 40) Pin on Pi Pico, and GND on LED with GND (Pin 38) on Pi Pico.
Can someone please help me out?
I have following LED:
This piece of hardware was probably meant to be used with Wemos D1 Mini board, but you can use it with pico too. Connect D4 pin to any gpio on your pico, ground to ground and 5V to VBUS as you said. That's probably everything you have to connect. Than install Neopixel library and get the code from this link:
https://learn.adafruit.com/getting-started-with-raspberry-pi-pico-circuitpython/neopixel-leds
I don't this hardware at home, so I am not sure, but hope I at least showed you a way.
also pretty useful:
https://www.wemos.cc/en/latest/d1_mini_shield/rgb_led.html
Is it possible to set the frequency parameters of Xbee pro-S2C or will it work on default settings only?
If yes, any sample available which will help me to create this kind solution with python code?
I am connecting Xbee with Raspberry pi by using micro USB shield.
Your advice on this will be helpful.
I am building a system which uses a remote attached to the RPi with a ribbon cable from about 3ft away.
The remote has buttons on it which connect the Raspberry Pi's
GPIOs to GND.The system works beautifully when I use a breakout board, plugging the ribbon cable into that.
However, when I tried to connect the ribbon straight to the RPi,
pressing 1 button often triggers 2 others.
Why would this happen only at the RPi, but never at the breakout board? Any help would be much appreciated.
Before I could preview the schemtaic circuit of the breakout board. I doubt it is caused by the drive capability of the pi board,you can mesure and compare the voltage on the button end between using breakout board and without it, it's really a hardware issue and only way to solve is to check the schematic circuit and measure. by the way, the question you asked is off-topic here.
I'm a bit confused. I explain to you my project, I would like to make a "reader" by using beacon technology (ibeacon for apple, eddystone for android) using a raspberry pi 3. The smatphone application sends an acknowledgment code when passing the person. The raspberry marks and updates an online database. I wanted to ask, first of all can this be done? My problem is to realize the beacon transmission, then for the app and the database I have no problems. I tried using bluez but I can not detect the phone. Is there any online tutorial that could help me? Thanks
If you are looking to use the phone to emit a beacon transmission and then use the Raspberry Pi 3 to detect the beacon, then yes, this is possible. I put together a tutorial on how to use the Android Things to detect beacons on the Raspberry Pi 3.
The problem with using BlueZ for beacon detection is that it is simply not stable on the Raspberry Pi, and will freeze up and stop detecting requiring a reboot.
I want to build a small project which will monitor some devices(pump,ac etc) status(on/off, current/voltage level etc). I have decided to use raspberry pi 3 as a server. I am thinking about scada. is it efficient to do these works? also i am not familiar to scada. is there anyone to guide me--
where should i start?
what is the suitable software for doing it??
You could just use Python and the RPi.GPIO module to control and monitor the GPIO pins on the Raspberry. Python is powerful, open-script and easy to get into.
You would need to develop a bread-board to protect your Raspberry and allow for monitoring higher voltages.
Some example code on using GPIO with Sockets here: https://github.com/matzpersson/raspberry-gpio-sockets
You may use ScadaLTS on Raspberry.
In ScadaLTS have available modbus protocol among many others.
This is web oriented software with graphics views drag and drop editor.
For now you may read GPIO data programmatically to file and use ASCII File Reader DataSource.
We plan to have datasource dedicated for GPIO.
ScadaLTS based on ScadaBR - fast tutorial https://www.youtube.com/watch?v=JjOQWwoaQuQ.
you could also check out mySCADA. they make a solution for Raspberry pi at http://www.smarthouse.cloud
you can use the GPIO on the Pi or talk to industrial PLC's.