Stack Exchange Network

Stack Exchange network consists of 174 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

The tag has no usage guidance.

0
votes
0answers
27 views

I2S Recording combined with I2S Playback

I have a Raspberry Pi Zero and I am using the Adafruit I2S MEMS Microphone together with the ADAFRUIT I2S 3W CLASS D AMPLIFIER BREAKOUT - MAX98357A. I did follow the two respective tutorials and I ...
0
votes
0answers
19 views

Raspberry Pi ADC Adafruit_ADS1x15 IOError python 3

I'm trying to find the input from Adafruit's ADC (analog -> digital converter) and when I use: signal = adc.read_adc(0, gain = GAIN) I get: Traceback (most recent call last): ... File "/home/pi/...
0
votes
0answers
21 views

Raspberry pi couldn't detect my NFC device Adafruit pn532 v1.6

I am new to raspberry pi and nfc. I am currently doing a project which require me to read and write using NFC with raspberry pi. I am using the Adafruit NFC module PN532 v1.6 together with nfcpy ...
0
votes
0answers
12 views

AdaFruit fona modem not working with raspberrypi 3B

I am trying to use an AdaFruit Fona modem with a RPI 3B using PPP. But i cannot communicate with the modem. The Fona is connected to the PI using the GPIO pins for serial connection, and the green LED ...
0
votes
0answers
6 views

Adafruit speaker Bonnet not work with pi_Video_looper

Having issues with a pi zero w and an Adafruit Speaker bonnet 3w (i2c) not giving sound output when being used with Pi_video_looper. I been on this for a few days using various help guides and ...
0
votes
1answer
22 views

Adafruit_Nokia_LCD module on Raspberry Pi Zero W

I'm stuck with this Adafruit module. I was able to install without errors on a Pi2, but when I tried to replicate on my Zero W the installation goes fine but then I cannot import the module ("...
0
votes
0answers
26 views

iPhone -> Adafruit -> Raspberry (MQTT)

Over the past few days I've been wanting to trigger Python scripts to run on my Pi from a button press on my iPhone. I am pleased to say that I have got this up and running using the following method: ...
1
vote
0answers
34 views

Compute module 3 versus compute module 3 lite difference

I want to buy Compute module 3 and from looking at the description the difference between CM3 and CM3 Lite is that the Lite version doesn't have on board SD card. So if I buy the lite version I can ...
0
votes
1answer
70 views

Sharing SPI Adafruit PiTFT and RFID RC522

I have a Pi Zero 1.2 connected to an Adafruit 2.8" PiFTF screen and a RFID-RC522 board. I also have a thermal printer connected to TX/RX, but I don't think this plays a part in my question. The TFT ...
1
vote
2answers
87 views

Can't blink a LED using SPI interface on Raspberry Pi v3

As a part of my PoC project, I'm using single 5050 LED made by Adafruit. I wired it like this (LED - RPi): DI (Data Input) - SPI0 MOSI CI (Clock Input) - SPI0 SCLK GND (Ground) - GND VCC (5V) - 5V ...
2
votes
0answers
151 views

PI4J + Adafruit LCD with MCP23017

Got this device. Python example char_lcd_plate.py is working perfect. But I would like to manage it with Pi4J. I copied bits from python example LCD_PLATE_RS = 15 LCD_PLATE_RW ...
0
votes
0answers
55 views

How to fix adafruit 7" display resolution problem on PI3?

I recently bought adafruit 7" display to be used with my PI3 to see if it will work. Well, it sort of works. The screen comes up everything is displayed but the resolution is screwed up. I have tried ...