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Questions tagged [adafruit]

Adafruit Industries is an open-source hardware company founded by Limor Fried in 2005. Use this tag to mention issues with Adafruit products or tutorials.

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Arduino Adafruit playground: Adafruit_CPlay_LIS3DH.cpp:27:35: fatal error: Adafruit_CPlay_LIS3DH.h: No such file or directory

I've tried installing the Arduino Adafruit playground but came across the same error. sketch\src\Libraries\Adafruit_Circuit_Playground\utility\Adafruit_CPlay_LIS3DH.cpp:27:35: fatal error: ...
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0answers
15 views

Lora configuration across devices

I cannot find a conversion chart to understand how to configure my RFM95 correctly. For example, I am trying to get an arduino with an RFM95 module to talk to a FiPy lora module. The FiPy to another ...
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0answers
33 views

powering Feather with 5vdc into battery connector

I'm incorporating a HUZZAH32 (part of Adafruit's Feather line) into a small system, where it will be powered from a 5vdc power source. The obvious way to connect the 5vdc is to the USB pin (the 5v pin ...
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1answer
31 views

Adafruit Trinket M0 persistent storage?

I am using an Adafruit Trinket M0 to program a small game and would like to save the game state every so often. I am programming it through the Arduino IDE as the chip does not have enough space to ...
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1answer
25 views

How to change speed of multiple servos acting at the same time with PCA9685 module?

I'm using the PCA9685 module with its Adafruit library. In my code I have one object of the servodriver class that has 14 channels (controlling 14 servos basically). void Positioning(){ ServoDriver....
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1answer
19 views

Quaternion values from BNO055 not available

I am trying to obtain Quaternion values from a BNO055 connected to ESP32-PoE board by Olimex. Code #include <Wire.h> #include <Adafruit_Sensor.h> #include <Adafruit_BNO055.h> #...
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2answers
47 views

Get accelerometer values from BNO055 using adafruit's Unified Sensor Library

If I understand correctly using the Adafruit_Sensor one can extract information from the sensor specific information. These sensors are currently mentioned in the README. I am using the BNO055 for two ...
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1answer
86 views

After restoring the BNO055 offsets to the sensor the calibration values are all 0

Board: ESP32 Script: restore_offsets.ino from Adafruit's BNO055 library The only difference is I am storing the information in ESP's NVS using the Preferences Library Code #include <Wire.h> #...
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1answer
30 views

BNO055 restore offsets sketch from Adafruit does not make sense

The restore_offsets sketch from Adafruit BNO055 In some way does not make sense. I am using an ESP32 and storing the offsets of BNO055 in its NVS (non-volatile storage). Steps I start calibrating ...
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3answers
39 views

backup battery for FeatherWing DS3231, RTC

I am working with slightly modified example code for the Adafruit FeatherWing DS3231 RTC (real time clock) board. The DS3231 chip itself is from Maxim. Since the cell is described as a "backup battery"...
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2answers
39 views

GPS Short distance calculations, accuracy limitations for 1-30 meter distance [closed]

I am a total beginner in the field of GPS, and this is actually my first post. But, I have been looking into some of your questions, and especially the ones for short distance calculations, and time ...
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2answers
75 views

How to set CS pin on Beetle BLE/Bluno Beetle to Adafruit SD Card Breakout - Initialization Failed!

Hi I have a Beetle BLE (https://www.dfrobot.com/wiki/index.php/Bluno_Beetle_SKU:DFR0339) and I am trying to connect an Adafruit MicroSD card breakout board+ (https://www.adafruit.com/product/254) via ...
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1answer
210 views

“exit status 1” error when invoking “useInterrupt” method

for context to this post you can catch up on this post I am working with an Arduino Leonardo and Adafruit Music Maker shield. I am trying to use the startPlayingFile method via the interrupt pin ...
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1answer
45 views

Blynk app, DotStar bluetooth control code help

This is my setup: Arduino Mega; HM-10 bluetooth module (bought off ebay, so not sure if genuine but works); Adafruit Dotstar addressable LED strip; iOS Blynk app; Hardware-wise, everything is ...
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1answer
34 views

Adafruit Huzzah ESP8266 Battery Power issue

I'm trying to connect a ~5.5V (2 x 3V coin cells in series, but their voltage drops a little) to the VBat (or V+) of my Adafruit Huzzah ESP8266 module (not the black Feather one, the smaller blue one: ...
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1answer
50 views

eclipse photon with cdt-arduino plugin can't upload sketches

i've recently decided to give eclipse-photon-cdt a shot. i use it with the built in arduino plugin, downloaded my feather m0 board config and tried to upload an empty sketch. failed, the console shows ...
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2answers
73 views

Stacking 3 of the same shields on top of each other and instructing them in sync

Context: I have an audio track separated into individual channels grouped by frequency and speaker location. I need to play all three of these channels simultaneously and perform instructions like ...
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1answer
23 views

How we can implement the interrupt? [closed]

I want to implement the Interrupt on the Adafruit_RGBLCDShield Select button to start/stop the data logging?
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1answer
9 views

How to share/Reassign analog pin for two Adafruit libraries for two adafruit hardware

I'm attempting to use the Adafruit BMP180 and Adafruit 16x2 RGB LCD Display together on the same Arduino Uno R1. Both the pieces of hardware and their libraries use Analog Pin 4 and 5. Is there any ...
0
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1answer
45 views

Unable to Configure MQTT Client ID using Adafruit MQTT Library

I am utilizing the MQTT library that Adafruit has created, located here, and the library itself works wonderfully - however I am finding myself unable to edit the Client ID or configure the PINGRESP. ...
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2answers
63 views

How do I read addresses on multiple DS2413 1-Wire GPIO Breakouts, using the Adafruit sketch?

I am using three DS2413 1-Wire GPIO Breakouts from Adafruit connected to an ESP8266. I tested the DS2413 breakouts using their example sketch and it works fine for just one DS2413. But I cannot ...
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0answers
13 views

Interfacing STM32F401 Discovery Board with Ultimate Adafruit GPS Module

After having successfully tested my GPS module with my Arduino UNO, I'm looking to do so with the Discovery Board. The connections seem a little puzzling, as in I can't understand if I need male/...
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1answer
48 views

Parsing example code in Adafruit GPS library with Ultimate Adafruit GPS

I've synced my Uno with the Arduino IDE and I'm using the below code to get the GPS coordinates. // Test code for Adafruit GPS modules using MTK3329/MTK3339 driver // // This code shows how to ...
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1answer
41 views

Adafruit Feather 32u4 FONA KEY Pin

I received a Adafruit Feather 32u4 FONA as a gift and have read the great, comprehensive document Adafruit put have put together surrounding pinouts, examples etc for the board. I am having issue ...
0
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1answer
417 views

ESP8266 light sleep - can't wake up

I am attempting to implement a light sleep mode on an esp8266 (feather huzzah) which, when a button is pressed, wakes the system up so that it can continue its normal task. I cobbled together some ...
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0answers
25 views

Grounding analogue signals through ads1115

Quick question - I have some pretty expensive gas flow sensors outputting a 0-5V signal, which need at least 2.5 KOhms minimum load. Can I connect them to the Adafruit ADS1115 breakout (ADS1115 chip, ...
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2answers
49 views

Too many amps for Step motor

I have an adafruit motor shield and attached the Nema 17 stepmotor. Now the big problem is trying to power it without it overheating. I was originally using a 12v 6a power supply but quickly switched ...
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0answers
28 views

Adafruit Feather unable to upload code

I am using Adafruit Feather RFM69HCW Microcontroller. I am having difficulty uploading code in any Adafruit Feather boards. We have a project that is live on the field and it needs code changes. I ...
1
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1answer
328 views

Schematic for the adafruit motor shield v2.3

I am trying to locate a schematic for the Adafruit motor shield v2.3. It has many ports and currently I have found little to no explanation of what is on the board. I located this picture which ...
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2answers
120 views

Understanding how to power objects with a relay (featherwing, feather huzzah)

I am trying to learn how to control a relay to power various household objects. I bought a power relay shield for an adafruit feather huzzah, and I have just set up the arduino blink sketch to provide ...
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2answers
74 views

Arduino Switching Between Loops IR Remote

I've been working on an LED strip project. However, I've come to a stand still at the moment. Within the program I am wanting to assign different lighting effects to each button on my IR remote. I am ...
1
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1answer
327 views

Increase sample rate in ESP32 board

For my final project on the university as a Systems Engineer, I'm working on a "electronic stethoscope", which is giving me a lot of headaches. I bought a Adafruit Feather ESP32 Huzzah (https://learn....
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0answers
345 views

Can't get I2C + SPI working on Wemos D1 Mini Pro

I've been struggeling allday to get I²C and SPI working on the same time on my Wemos D1 Mini Pro, i want to use a BME280 + the Wemos D1 Mini 1,4' TFT Shield. If i comment one or the other out, the ...
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1answer
80 views

Arduino SocketIO library not working over HTTPS

I am currently using this Socket.io library to be able to send data from the Adafruit Feather HUZZAH (based on ESP8266) to my NodeJS server. It works like a charm on my local webserver, never failing ...
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1answer
43 views

Arduino Uno with Adafruit CC3000

I am using Arduino Uno with Adafruit CC3000 wifi shield to connect to the internet and get data for Arduino. Everything works fine but I can't figure out how to use HttpClient library. The code is: #...
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1answer
31 views

is an atmega 2560 board compatible with the adafruit trellis

i want to build a custom midi controller for my computer and yes adafruit has a mini untz project however for my purposes i need more analog inputs than the Leonardo and the only other option i can ...
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0answers
114 views

RGB LED strip (WS2812B) won't respond to setPixelColor (Neo Pixel)

im working on a project with an 144 LED/m strip driven by an Adafruit ItsyBitsy M0 Express. To test the LED strip I connected it directly to the ItsyBitsy driving only 5 LED's. Now I'm trying to run a ...
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1answer
128 views

Configuring Accelerometer on BNO055 sensor

I'm using the BNO055 9DOF Adafruit sensor to measure the acceleration/orientation. How can I change the configuration of the accelerometer from 4G (default) to 16G? What I already know: The ...
1
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1answer
120 views

add ID number to the feather m0 bootloader (flash)

I'm trying to add a serial number to the bootloader's flash area of Adafruit Feather m0 board. Seems like feather m0 0-0x2000 area on the flash is non writable by the arduino sketch. i wanted to add a ...
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0answers
51 views

Using the Adafruit_PWMServoDriver within a function 'crashes' Arduino Nano

Just switched out an Arduino 101 for a Nano and having trouble since then. When the following function is called, the Nano stops responding or doing anything. void thumbMove() { //interupt the ...
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0answers
16 views

Arduinos do not show up on Arduino IDE or device manager [duplicate]

I have two Arduinos, an Adafruit Feather 32u4 Fona, and an Uno. The Uno does not show up in the device manager when plugged in, the Adafruit Feather does not show either. Neither show in the IDE.
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2answers
813 views

how to send data to Adafruit Bluefruit Feather (32u4) over bluetooth?

Sup yo. I have my Adafruit Bluefruit Feather all wired up. It's lovely. I've got it responding to commands over the USB serial, activating an array of octocouplers. It's terrific. Here's the ...
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1answer
75 views

Rfid with Adafruit fingerprint together not working in Arduino Uno

I have edited my Code and now the issue is both are working but not together #include <Key.h> #include <Keypad.h> #include <Adafruit_Fingerprint.h> #include <SD.h> #include &...
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1answer
31 views

adafruit LSM9DS0 Library - ok with Uno but compile error with LinkitOne?

I'm calling an adafruit Flora LSM9DS0 magnetometer using the Adafruit library with the following sketch: #include <Wire.h> #include <SPI.h> #include <...
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0answers
154 views

Trying to connect to Cayenne IoT server after initalizing SPI display

I am trying to simultaneously view sensor values on Cayenne dashboard and on a TFT LCD touchscreen connected to my Aruino Uno (ATmega328p). I am using a Adafruit_ILI9341 touchscreen running on SPI ...
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2answers
516 views

Burning the Bootloader on Adafruit Feather 32u4

So, the default bootloader in Arduino is oddly set to erase EEPROM with every reboot, rendering the EEPROM, well, useless. I found where the fuses are set in the boards.txt file, but getting this ...
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1answer
68 views

Adadfruit Trinket software not running on ATtiny85

I have an application that uses a pair of nRF24L01+ as a simple RF link between a camera PC sync output and a set of LED flashes. The important factors are power and low latency - hence the 2.4GHz. I ...
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0answers
139 views

l293d motor shield LED glowing servo running but dc motors not running what to do

I was working with 4 dc motors and servo motor connected with L293D motor shield everything was working properly.I disconnected the dc power jack to upload a new program on it and for that when I ...
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1answer
143 views

How can i check for valid fingerprint and no finger detected? [closed]

i am working in arduino fingerprint sensor with adafruit. i am using two leds to check if fingerprint is valid. my problem is that i need three cases instead of two. 1 case: when fingerprint is valid. ...
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0answers
113 views

Adafruit Huzzah Feather not resetting and serial monitor garbage

Hi there, I have an Adafruit Huzzah Feather project laid out as you can see in the diagram above. Currently I am having trouble getting it to reliably reset and start the sketch. More often than ...