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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.

3
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1answer
371 views

Ooops, no LSM303 detected … Check your wiring!

History I have an Adafruit 10DOF IMU Breakout which has been working on my Mega for some time. This morning my program did not run so I starting troubleshooting. Scenario I eventually plugged the ...
2
votes
1answer
2k views

Adafruit Huzzah espcomm_open failed

I recently bought an adafruit huzzah as well as a serial to usb cable to connect it to my computer running windows 10. I was able to get the board set up in arduino following the directions found here....
1
vote
1answer
74 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 ...
1
vote
1answer
90 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: ...
2
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0answers
741 views

Why won't Wifi Shield detect any networks? Even really close

I just purchased an Adafruit Wifi Shield CC3300 and strapped it onto my Arduino Uno board. I'm running this basic sketch that I found to test the functionality of the Wifi Shield: http://arduino.cc/...
1
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0answers
162 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 ...
1
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0answers
232 views

Dimensions for Adafruit RGB 16x2 Character LCD + Keypad Shield Cover

I'm looking to make a cover for the Adafruit lcd-shield: However, there are some dimensions missing from the provided pictures (namely the horizontal location of the various buttons) Does anyone ...
1
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0answers
232 views

Wiring Feather Huzzah ESP8266 to Monochrome 1.3" 128x64 LCD

I'm new to Arduino and the pinouts for the Adafruit 938 LCD doesn't seem to match the pinouts that I looked up for the Huzzah ESP8266. Does anyone know the proper pinout for this display and the ...
1
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0answers
2k views

Turn on one by one the LEDs of a Neopixel rgb LEDs strip for each detection at the same distance from an Ultrasonic Distance Sensor (HC-SR04)

For this project I seek to create a counter of water glasses we drank throughout the day. I use for this an Arduino UNO card, a Piezo buzzer and a Neopixel rgb LEDs strip (5 LEDs for this test). ...
1
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0answers
124 views

Is something wrong with my Adafruit motor shield?

I think something may be wrong with my shield, as I looked at the other forums related to this question and still can not get help. I know that I can't run it from a 9V source by itself, as the ...
1
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0answers
74 views

Upload custom trinket firmware

I'd like to disable the trinket 10-second bootloader when powered up, so it will just begin running the program. I would still like to be able to press the reset button to re-program it. I found an ...
1
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0answers
429 views

How to attach Arduino MKR1000 to a shield meant for Arduino UNO?

I have an Arduino MKR1000 and need to interface it to an Adafruit Music Maker shield, which has pinouts for an Arduino UNO. Maybe I'll have to attach female headers, and then jumper pins over. Which ...
1
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0answers
134 views

Debugging arduino shield for varying voltage

I'm using this motor shield for arduino from adafruit. It says it can drive 4 DC motors with it. However, two terminals M3 & M4 (as marked in the image) seem to be supplying lesser voltage. To ...
1
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0answers
225 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: /*********************...
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0answers
102 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 ...
1
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0answers
881 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 ...
1
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0answers
3k 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 ...
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0answers
794 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
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0answers
631 views

Sparkfun Red board and CC3000 shield not allowing multiple HTTP_GET requests.

I have a SparkFun Red board (Arduino Uno R3) with a SparkFun CC3000 shield attached. I am trying to post data to the "data.sparkfun.com" service in order to test a basic Wifi data logger. I am using ...
0
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0answers
9 views

Capturing SBAS GPS packets

I have an Adafruit Ultimate GPS using a PA6H module (datasheet) with PTMK command packets (command set sheet). I have it connected to my PC via Arduino and want to be able to read the SBAS data (...
0
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0answers
47 views

Adafruit Feather M0 Basic update bootloader

I bought a Feather M0 Basic from a reseller Lawicel however I'm missing the UF2 boot feature. When I press the reset button two times I just get a serial and have to program circuitpython using Bossa....
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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/...
0
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0answers
36 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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0answers
29 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 ...
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0answers
479 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 ...
0
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0answers
147 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 ...
0
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0answers
78 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
195 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 ...
0
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0answers
165 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 ...
0
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0answers
454 views

Writing arrays to SD card without looping

I'm using Adafruit Feather M0 with the Adalogger FeatherWing to time-stamp and save sensor readings in an SD card. Speed is critical so I want to create two arrays, one for the readings (int) and one ...
0
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0answers
673 views

Adafruit ESP32 device working on OSX 10.13 but not on OSX 10.11 on older machine

I'm new to Arduino - just got an ESP32-based Adafruit Feather HUZZAH32. I got it up and running on my Macbook Air (High Sierra) with no problem, following the instructions at this page linked from the ...
0
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0answers
36 views

Adafruit Music Maker and Keypad

i am trying to program an arduino so when I press a certain keypad password it plays a particular audio file and when I press a different password an alternative audio file plays. For some reason I ...
0
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0answers
97 views

Adafruit FT6206 controller won't start after unrelated code changes

I am using an Adafruit HUZZAH32 Feather with the ESP WROOM32 module and an Adafruit 2,8" cap touch Display. When trying my code I encountered a strange problem: one specific line of code lets the ...
0
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0answers
340 views

Fixing Error Messages “Error Compiling for Adafruit FLORA” & “'BLUEFRUITLE_HWSERIAL_NAME' not declared in scope”

I am trying to create a Heart Rate Monitor using the Wearable Bluefruit LE Module and FLORA boards (by Adafruit). The code is shown below. I am trying to tweak it so it configures correctly with the ...
0
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0answers
192 views

Adafruit motor shield: No i2c devices found error

I have Adafruit motor shield v2.3 mounted on an Arduino Uno. On running the I2C scanner code linked here: Why is my Adafruit motor shield not spinning my motors? The code displays "No I2C devices ...
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0answers
26 views

weird output from keyboard program

I am trying to write a keyboard (Key-glove) program. There are 4 buttons, and inputs should type specific keys. when the keyboard is active, I get output, but not what I am expecting for output. I get ...
0
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0answers
51 views

'Class SdFat' error message with Adafruit wave shield

I'm using Arduino Uno and Adafruit Wave Shield, with the WaveRP library. I was able to run the example programs of the waveRP library, but I try to connect a mic to the shield, didn't go well, so I ...
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0answers
33 views

Unusualy high fail rate with Adafruit Circuit playgrounds

I am on my 4th failed Adafruit Circuit playground, I can usualy program them a few times, like less than 10, then they become unresponsive. no amount of reseting, rebooting, bootloader re-...
0
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0answers
535 views

cannot get low power with Adafruit Trinket

I want to get as low power use during sleep as possible with an Adafruit Trinket. Based on results presented on various places in the internet (blogs etc), I expect to be able to go down to 50 - 100 ...
0
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0answers
64 views

Power Difference in motors when using Arduino Motor Shield

I have connected 4 DC Motors (500rpm) to the Arduino motor shield and 9V Power Supply to the shield. The speeds for the motors is same in the code but on running the code the motors don't run at the ...
0
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0answers
149 views

Arduino Mega 2560 to Adafruit STMPE610 wiring

I'm having difficulty in trying to find the correct wiring between the STMPE610 to the Arduino Mega 2560? Q: Could someone please illustrate the correct wiring for i2c connection between the two ...
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0answers
166 views

Joining Adafruit MQTT and NRF24L01

Just look, I can't find it on google. libraries #include <ESP8266WiFi.h> #include <ESP8266mDNS.h> #include <WiFiUdp.h> #include <ArduinoOTA.h> #include <Adafruit_MQTT.h&...
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0answers
269 views

SSD1306Ascii Library for Arduino

Im using SSD1306Ascii display library for arduino previously i was using Adafruit ssd1306 library , due to it occupies lot of space i switched to SSD1306Ascii library which is lighter , Is there a way ...
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0answers
304 views

Adafruit SSD 1306 with Arduino

At first i was using adafruit library for connecting adafruit ssd1306 128*64 display with arduino , display was working good, since that library was using too much space i decided to switch to #...
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0answers
666 views

Arduino Zero - Reading data from the Rx pin on the Serial1 platform - Adafruit GPS

I am trying to use the Adafruit Ultimate GPS sensor. In the tutorial Adafruit provided, one of the initial steps to see if the GPS can get a fix on your location is to wire up the GPS to 5V, GND, RX, ...
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0answers
180 views

Flora upload issues

Good Morning and Merry Christmas, I have purchased 2 Flora boards and am having trouble uploading the "Blink onboard LED" program to test the board. And every other code. here is the website with ...
0
votes
0answers
95 views

Adafruit feather m0 wifi and Ble feather

I'm looking to get the adafruit feather m0 wifi and was looking to add the ble feather and oled screen also to the same setup. Has anyone ever stacked the m0 wifi, ble and oled together ? Can you ...
0
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0answers
653 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 ...
0
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0answers
351 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. ...
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0answers
50 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 ...