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Questions tagged [adafruit]

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0
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2answers
26 views

Making the VCNL4040 proximity sensor work on Python

I purchased the SparkX module with the VCNL4040 proximity sensor you can see here: to use this sensor via Python, but on the repo for the Adafruit library it seems like the library is not available ...
1
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0answers
23 views

PiTFT: Serial only works with HDMI plugged in

I am using a PiTFT 2.8" on an original Raspberry Pi B. I just reinstalled Raspbian and setup the PiTFT using the Adafruit easy install script to launch to console. I have a python script that ...
1
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0answers
28 views

Safely connect Adafruit's powerboost 1000C LBO to rPi-GPIO

I would like to connect Adafruit's powerboost 1000C LBO control pin to a rPi GPIO-pin. So I can gracefully shutdown my rPi when the LiPo runs low. I would like to connect the LBO to a diode to lower ...
1
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0answers
45 views

Raspberry Pi 3 B+ not reading time from the GPS

I have a Raspberry Pi 3 B+ with Adafruit Ultimate GPS HAT (https://www.adafruit.com/product/2324) with external antenna. I configured the device to act as NTP server but the NTP server won't work (No ...
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0answers
15 views

Adafruit CircuitPython DHT22 reading exceptions

I am using the program from Adafruit's Circuit Python to read the values from DHT22/AM2302 sensor. At the start of the program, I often get the exception A full buffer was not returned. Try again. ...
1
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0answers
36 views

Adafruit speaker bonnet: no error and no sound

I bought an Adafruit I2S 3W Stereo Speaker Bonnet with the 2x20 header pin pre-soldered and also the speaker set. The bonnet does not neatly stack on top of my Raspberry Pi 3 Model B+ because of the ...
1
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0answers
34 views

MPR121 capacitive touch is sensible enough?

I have a Rapsberry Pi 3 A+ with an Adafruit Capacitive Touch HAT for Raspberry Pi (MPR121) and the idea is to plug it to the wet soil of a plant and it detects when I touch the plant (or a leaf) and ...
0
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0answers
37 views

Unable to get accurate RPM with Adafruit Stepper Motor HAT v0.1

I'm trying to drive some stepper motors using a Raspberry Pi 3 B V1.2 and an Adafruit Stepper Motor HAT v0.1 and am having trouble setting them to the speed I want. The motors have a step angle of 1.8 ...
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0answers
16 views

Is it possible to use Adafruit's Arduino libraries for my Raspberry Pi alone? [duplicate]

I have a MPR121 touch sensor, LSM303DLHC accelerometer & magnetometer, & SSD1306 128x64 display, and I don't have a Arduino.
0
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2answers
35 views

How to get the i2c ground signal to pass into the rasberry pi

I want to build a circuit, that is a Raspberry Pi Zero W, powering 8 Adafruit Alphanumeric displays (or even more). The max, theoretical current draw from an Adafruit Alphanumeric is 280mA. ...
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1answer
65 views

Adafruit PAM8302A -> Raspberry Pi 3

I want to connect Adafruit PAM8302A amplifier to the Raspberry Pi 3 Model B+. What I need? How to do this?
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2answers
57 views

I2C Detect shows that Rasberry Pi keeps assigning the same address to 2 devices

I'm trying to hook up 2 Adafruit Quad Alphanumeric displays to my Rasberry Pi 3 B+. From what I understand, all I need to do is hookup the displays in series to the SDA SCL outs, and the I2C chip is ...
0
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0answers
46 views

Original Raspberry Pi B, video playback choppy on Pi_Video_Looper software from Adafruit

Installed NOOBS on an 8GB SD card and installed Raspbian. Then, installed Adafruit's Pi Video Looper. Inserting a USB stick with a video, the 1280x720p video played back choppy, not fluid. I severely ...
1
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1answer
21 views

Changing FeatherWing Address via Solder Jumpers [closed]

I'm connecting two 7-segment LED's to the SDA and SCL lines of a Pi and controlling the display using the example Python code. Currently both displays show the same number. I want them two show ...
1
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1answer
130 views

Trouble accessing Sensirion sht21 though multiplexer tca9548a using i2c and python

I can't reach my sht21 sensor throughout the Multiplexer tca9548a (adafruit). When I run it with python3 in the raspberry pi's terminal, I get this error report: Traceback (most recent call last): ...
1
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1answer
1k 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
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1answer
55 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 ("...
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0answers
104 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
159 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
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2answers
248 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
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0answers
187 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
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0answers
135 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 ...