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Questions tagged [sparkfun]

17 questions
3
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2 answers

Sparkfun edge bootloader problem... not working

Hi I've been going through a sparkfun edge person-detection programming tutorial in here. (The code given in the github link was deprecated so I used the codes inside the tensorflow_lite library. They had example codes in there already) The tutorial…
Aesop
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2 answers

Heatmap live update from a database does not work

The problem consists of two parts, one is to upload the data which is an 8*8 numpy array to the mysql database, the other one is to retrieve and update the data with seaborn and matplotlib. For the first part, I has been solved, anyone can create a…
RedRabbit
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Can not communicate sparkun OBDII UART with Raspberry pi 4 over (minicom)

I'm trying to use Sparkfun's OBD-II-UART board to interface with a CAN network using a Raspberry pi 4. Upon connecting to sudo screen /dev/ttyAMA0 and when I send the commands, I'm not able to get any response from the OBD-II-UART board. Can anyone…
Binjaw
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4 answers

SparkFun RP2040 and MicroPython

I am a software engineer working on a microcontroller system for a side project. The microcontroller I am using is the SparkFun ProMicro (based on the RP2040 board). I am trying to flash the board so that I can write data to the onboard flash…
TomM
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0 answers

Convert IMU Madgwick's quaternion to x,y,z position in Unity3D

I am trying to achieve this and also this, but in Unity3D and using an IMU ICM-20948 9-DOF sensor: So far I was able to use the Madgwick's algorithm and rotate a cube by tilting the sensor in the air. I am not sure now how to make it move like a…
userq
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0 answers

SARA-R5 AWS Unable to connect

I am trying to develop an application that needs GPS and mobile connection to AWS. For this I am using the SARA R5 AWS (The Sparkfun KIT-21229) I have followed the guide from here:…
Victor Casado
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0 answers

CAN transmission is working, but not the listening part

We are using Sparkfun CAN shield and Arduino Uno to build a CAN network. We are observing the data in CAN network using KVaser Canking. When we send a data to the CAN bus, we can see the data in KVaser window. But, when we try to read something from…
Ipsita
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Does the Sparkfun ESP32 Thing is compatible with generic modules like DHT11 sensor?

First of all I am kind of a noob working with microcontrollers, by the way I am using Arduino IDE 1.8.13 I fallowed the hookup guide to set up Arduino IDE to work with Sparkfun ESP 32 Thing board, and actually I was able to run the Arduino examples…
luis_laurent
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1 answer

Can I use a Arduino Mega 2560 as a multiplexer?

I have a 4*4 push button pad with RGB LEDs (brought from sparkfun) connected to a Arduino Mega 2560. At first I wanna use the button pad as a MIDI controller, but now I discovered that Mega 2560 cannot use as a MIDI devices. I have a Teensy 3.2 with…
Nickie
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0 answers

Issue sending NMEA commands to Copernicus GPS

So I'm hooked up to a sparkfun GPS over a serial port, and I'm able to read the NMEA output just fine- I get the GGA and VTG sentences at 1Hz. My issue comes in at trying to send commands to the GPS, any set commands invariably result in the invalid…
user38729
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1 answer

I am using "SparkFun Qwiic Keypad", For Keypad Library some do not understand

I am using "SparkFun Qwiic Keypad", and I am learning about the Arduino_Library provided by "SparkFun". Some do not understand. In "SparkFun_Qwiic_Keypad_Arduino_Library.h",lines 50 and 62, What is "TwoWire *_i2cPort" in it? what is the purpose? I…
Luciano
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0 answers

Tensorflow lite for sparkfun edge micr-controller, Didn't find op for builtin opcode 'CONV_2D' version 2 and 3

i am trying to use my TFlite Model with sparkfun edge (Apollo 3) microcontroller to recognize simple tunes like (do re mi fa ....) from Piano App i used the following python code with tensorflow v2 from tensorflow.keras import layers...... model =…
Majd Shahin
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0
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1 answer

Qwiic BME280 pressure reading too high?

I'm using sparkfun BME280 sensor to collect atmospheric data. temperature & humidity readings are correct but pressure reading is too high. I used another sensor for getting pressure which returns normal reading like 1000hpa while BME280 returns…
exception
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1 answer

How to patch / configure a nodemcu build for SparkFun ESP32 Thing

I have been using nodemcu-build for 8266 modules with success for several projects. I have been trying to replicate the same development environment using SparkFun ESP32 Thing using the beta version of nodemcu-build for ESP32. After building,…
CyberFonic
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1 answer

ISSUES USING AS7265X SPECTRAL SENSOR WITH SPARKFUN ESP32-S2 THING PLUS

So I have connected a SparkFun Triad Spectroscopy Sensor - AS7265x (Qwiic) to my SparkFun Thing Plus - ESP32-S2 WROOM using a Qwiic cable. I loaded the example code and I am only getting zeros from the sensors... No error, it throws a connection…
Thegasman2000
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