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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1answer
20 views
Motor Shield not giving full power, LED DIMS
I have an Adafruit Motor Shield, the V1. I have been using this thing with my OPSEPP Uno and a stepper motor with no issues. (Powered by 12v DC wall wart [CASIO]).
My question, or issue, not sure ...
0
votes
2answers
85 views
Exit status 1 expected primary-expression before ']' Arduino
Here's the whole error:
Arduino: 1.6.7 (Windows 7), Board: "Arduino/Genuino Uno"
*\readMifare\readMifare.ino: In function 'void loop()':
readMifare:113: error: expected primary-expression before ...
1
vote
0answers
12 views
Adafruit Trinket 3v with LED matrix backpack producing error
I have been wanting to create a Arduino watch. I built the circuit with an Adafruit Trinket 3v and an Adafruit LED matrix backpack (8*8). When I try to upload this example code:
...
0
votes
1answer
50 views
Using Arduino Uno to make digital LEDs go to music
I've just started playing around with Arduinos... I found relatively simple project on youtube: https://www.youtube.com/watch?v=5U354Qp6j24. I followed the instructions, loaded up the code, and ...
1
vote
3answers
127 views
Why is my Adafruit motor shield not spinning my motors?
I'm using the Adafruit Motor Shield v2.3. I'm powering the Arduino with a USB cable and I'm powering the motor shield with a 9 volt battery.
I removed the vin pin, and I'm using this tutorial/code to ...
0
votes
1answer
63 views
DCMotorTest from the Adafruit site – got fatal error exit status 1
New to Arduino, I plugged in DCMotorTest from the Adafruit site and got this error message: a fatal error exit status 1
/*
This is a test sketch for the Adafruit assembled Motor Shield for Arduino ...
4
votes
1answer
76 views
BLE SPI Module with ATtiny85
Adafruit carries a number of Bluetooth LE 4.0 modules in their store, notably the SPI (https://www.adafruit.com/products/2633) and UART (https://www.adafruit.com/product/2479) version. I have used the ...
0
votes
1answer
41 views
Need help with adafruit color sensor
I am using the Adafruit TCS34725 to sense color. I have used the Colorview code example to set it up to sense all colors, works great. The thing I want is for it to tell me if it is seeing either ...
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votes
2answers
31 views
Adafruit libary and CC3000 shield
I have a Arduino Uno and a CC3000 shield. When I run the example code for Webclient from Adafruits libary it works perfect.
When I switch out address for reading a corresponding text file from my own ...
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votes
0answers
25 views
Refine Colorview Code
How would I refine this to only recognize red and green? I don't need the full functionality of this code, just the ability to distinguish between red and green, and output that respectively.
I also ...
0
votes
1answer
39 views
Trying to understand compilation error message
C:\Users\Field\Documents\Arduino\Adafruit_TCS34725-master\examples\tcs34725autorange\tcs34725autorange.ino:2:31: fatal error: Adafruit_TCS34725.h: No such file or directory
#include ...
0
votes
1answer
30 views
Arduino Micro blue light dimms and turns off when I plug in my circuit
I have a PING Ultrasonic Sensor, Adafruit Absolute Orientation Sensor, and a Continuous rotation servo. All pins are connected to an Arduino Micro. However because the micro only has one 5V output, I ...
2
votes
1answer
40 views
unable to use RGB matrix and the serial monitor at once
Recently I bought the following matrix:
https://learn.adafruit.com/32x16-32x32-rgb-led-matrix/overview
I own an Arduino Uno for those who are interested.
I got the 32x32 variant and I am very happy ...
3
votes
2answers
277 views
How can I load fonts into Adafruit GFX for TFT display (ILI9341)
I get a compile error when I try to set a different font in Adafruit GFX on a TFT display on my Arduino Uno.
I'm testing a new TFT shield for Arduino equipped with an ILI9341 by using the Adafuit GFX ...
0
votes
2answers
35 views
uint8_t etc as color variable
I am very new to coding and I am attempting to teach myself the best I can. I have no prior knowledge of coding and am filling in the blanks via YouTube and forums alike. One place I keep getting ...
-1
votes
1answer
41 views
Arduino Micro project with Bluetooth low energy
I created my project prototype with Arduino Micro and Adafruit Bluetooth low energy device.
Now I need to develop the prototype to production (like a small USB device). I just need Rx, Tx, 3V pin ...
1
vote
0answers
86 views
Working with Seed BLE Shield and Adafruit Feather BLE
Long story short: I need to pair these devices:
Arduino UNO with Seeed BLE Shield
Adafruit Feather 32u4 Bluefruit LE.
The Seeed shield is configured and able to connect and communicate via the ...
0
votes
0answers
59 views
How to add .h file to ino
I'm using the arduino along with a Raspberry pi. For this, I'm using ino to compile sketches through the command line. I now want to use the adafruit motor shield along with my arduino. This requires ...
2
votes
1answer
48 views
Adafruit TLC5947 breakout board is not working with my Arduino Uno
I am trying to use this board (setup tutorial on left hand nav) with my Arduino Uno. I have tried using their example code, as well as my own simplified code, to turn on a single blue LED.
The ...
0
votes
2answers
33 views
Looking at Adafruit's website I'm confused which wallcharger I should get
As the title says there are many different wall chargers to choose from.
12v, 9v, 5v, with different mA amounts...
The starter kit on Adafruit's website mentions to get the 9V 1000mA switching power ...
2
votes
3answers
277 views
How many LED Strips can we connect to an Arduino Uno? Is there a way to connect 1-3 meters worth without needing extra parts (relays)?
I am looking at Adafruit to purchase some LED strips for a mod for my computer case, and want to power it with an Arduino.
I am looking at the Uno, but the Mega looks good too. I hear the Uno is ...
1
vote
3answers
66 views
Drawing amperage with Arduino code
I'd like to preface this by saying I'm a complete beginner, but I have learned a ton already on this project, and I feel like I'm almost there.
I'm using an Arduino Uno and an Adafruit motor shield. ...
0
votes
0answers
39 views
How do I record with the Adafruit “Music Maker” MP3 Shield (VS 1053)
I'm trying to record and play audio from an an Arduino using the Adafruit "Music Maker" MP3 Shield (VS 1053)and so far can find no clear information on how to do so. Can anyone explain to me how to do ...
3
votes
1answer
125 views
Need help converting a processing sketch for a robot arm with servo shield
I'm currently building a robotic arm. I'm using an Adafruit servo shield, 7 servos, Arduino uno, and a 5V 10A power supply.
I found a program that controls the arm with mouse movement using a ...
0
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0answers
47 views
Using bluetoothSerial cordova plug in with Adafruit BLE nRF8001
I built an Arduino UNO/Adafruit nRF8001 device based on the recommendations from Adafruit to interact with an Android smartphone (Galaxy S5 with Android 4.4). I deployed the sketch echoDemo from the ...
1
vote
0answers
92 views
Using Johnny-five API with RFID Controller Shield
Is it possible to use the Adafruit PN532 NFC/RFID Controller Shield with the Johnny Five API? I've searched the depths of google and I'm unable to find anything so far. If it is possible, how can I go ...
0
votes
2answers
80 views
Arduino Uno + Adafruit Ultimate GPS Shield Serial issue
I've had an Arduino Uno for a couple of months-making basic sketches-and recently purchased an Adafruit ultimate GPS shield and attached with soldered headers. This shield has 2 options for reading ...
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0answers
44 views
Arduino motor shield vs Adafruit motor shield
What's the different between arduino motor shield and adafruit motor shield?
Can I use adafruit library on arduino motor shield?
0
votes
2answers
219 views
What components I need for a small GPS tracker
I am new to Arduino and want to create a graduation project for my university.
I am thinking to create a GPS tracker that can be attached to a cloth to track kids, for example.
So the requirements for ...
0
votes
1answer
103 views
NeoPixel Ring Usage Without Arduino
I am looking at purchasing a NeoPixel Ring for a project, but need it to work without an Arduino. Once the NeoPixel has been programmed by the Arduino, will it function when powered without the ...
1
vote
1answer
75 views
Connect 2 LSM9DS0 to Flora
So I'd like to connect two of these sensors to an Adafruit Flora (https://www.adafruit.com/products/2020). In the product page it says you can only connect one but in the forum an admin said that you ...
0
votes
1answer
120 views
ATMega328 + Bluefruit LE stops working soon after power on (not consistently)
Now I am Running Arduino code for Bluefruit LE on bare ATMega328 with 8MHz internal clock, with Bluefruit connected, pin 0 and 1 RX/TX unused, and AT42QT1011-based capsense circuits (logical input to ...
0
votes
1answer
96 views
Running Arduino code for Bluefruit LE on bare ATMega328
I need to hook up Bluefruit LE Breakout (nRF8001-based) to ATMega328 chip (to use it as wireless UART), and it seems like the library provided is for Arduino.
What I have is just bare ATMega328 (note ...
0
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0answers
67 views
computer admin Arduino UNO using adafruit CC3000 wifi module
I want to use the CC3000 wifi module to communicate between a C# software on computer and Arduino Uno board.
The computer will send command to the board:
(for example):
get Log
the board should ...
1
vote
1answer
79 views
Adafruit_NeoPixel define pin for different setups
I am looking for a way of defining multiple pins for my RGB strips. Currently the defined variable is set with the pin within it. This works just fine if I only had one RGB strip connected to the ...
1
vote
1answer
56 views
Execute Code sent over Serial
I was wondering if its possible to send code to the Arduino, and then have it execute this code.
What I'm trying to do is use an Arduino Mega with a bunch of stuff connected to it send code to an ...
0
votes
1answer
90 views
Having issues with sending output to WiFi Shield
I am doing simple proof of concept trying to send C++ program output to Adafruit CC3000 WiFi Shield (using Visual Studio 2013 Desktop Edition on Windows 8.1).
In my design laptop is connected to UNO ...
0
votes
3answers
352 views
Adafruit DHT22 Library + Arduino Due not compiling?
i recently purchased a DHT22's and tried to get it to work using Adafruit's DHT library on Github.
When i compile it with a Arduino DUE, it gives me the following error:
...
0
votes
0answers
300 views
Motor shield power from Arduino pro mini 5v RAW Pin 150mAh cannot run servo
linked to my old question, Pro Mini 5v with Adafruit motor shield v1 power sharing problems
I figured out and use one 7.2v battery (6 AA cells), and link it with RAW pin to Pro mini and join its 5v ...
1
vote
2answers
104 views
I would like to control 16 motors with a servo shield
Ok so I've used nicks code and have the code running once ok.... I the noticed however I had a fast 180 sweep and then it returned under control of code. I then noticed the comments wrt pulselen of ...
0
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0answers
121 views
Adafruit Trinket & Ultimate GPS & Google Earth Realtime
I'm using a 5v Pro Trinket that has an Adafruit Ultimate GPS connected and is connected over serial to my laptop. I am not using any fancy parsing code, I'm just letting the GPS spit out the raw data. ...
0
votes
4answers
457 views
iterate through values in an array of strings to print
I (think I) am trying to iterate through the values of an array and print the string to a tft. I have declared the array of 4 strings, and that works fine. But when I try to print it, I get garbage. ...
0
votes
1answer
74 views
Can't drive long NeoPixel strips with Due or Duemilanove?
I spent a significant part of today developing a sprite movement library for a 30-pixel NeoPixel strip using my Arduino Duemilanove (ATmega 168). It works like a charm. However, if I change N_LEDS to ...
0
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2answers
145 views
Pro Mini 5v with Adafruit motor shield v1 power sharing problems
I am trying to convert a RC car into autonomous car using Arduino Pro Mini 5v 16 Mhz. I have done this with UNO and Adafruit motor shield 1.0 with 4 gear motors and one micro servo for mounting range ...
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vote
1answer
130 views
Adafruit_GFX setRotation not working when called from within a class
Using an ILI9341. I'm trying to set the rotation from within a class, but it's not working. The code is very straight forward.
If I rotate in the class, the setRotation code does not work but the ...
1
vote
0answers
89 views
Adafruit motor shield 1 and Arduino Pro Mini
Can any one tell me how to connect Adafruit motor shield v 1.0 with Arduino Pro Mini 5v 8 Mhz. Motor shield uses which pins as I want to replace my Arduino UNO to Pro Mini and need re-wiring. Tried it ...
1
vote
1answer
152 views
Adafruit CC3000 Wifi Shield on IRQ 2?
I'm using an AdaFruit CC3000 Wifi shield as an HTTP server with an Arduino Uno.
I have a script which works fine -- logs into my Wifi and listens for connections as it should.
However, I want to ...
0
votes
2answers
176 views
Use Adafruit 16-Channel 12-bit PWM/Servo Shield to switch relays
I'm wondering if using the Adafruit 16-Channel 12-bit PWM/Servo Shield is it possible to switch relays, such as use that shield as a multiplexer and use digital output without PWM.
Is it possible? ...
2
votes
1answer
1k views
Arduino with WS2812 using Adafruit NeoPixel library fade in/out different patterns
Hey all I have been trying to figure out a way to random set patterns for my fade in/ out code below:
int PIN = 3;
int totalLEDs = 11;
int ledFadeTime = 5;
Adafruit_NeoPixel strip = ...
4
votes
1answer
531 views
Adafruit Music Maker Shield - Retrieve song names from SD Card
I am currently working on a project that plays music for you. My question for this thread is, is it possible to retrieve the names of the songs within the micro SD card that is inserted into the ...
