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Questions tagged [arduino-nano-ble]

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Arduino port not discovered with bootloader / Did I fry my board?

I have a Arduino Nano 33 BLE that I've been using for a while. I usually upload new programs to the board through USB with the board in a bootloader loop. The other day this stopped working. The board ...
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1 vote
1 answer
34 views

RFM69HCW connected to Arduino Nano 33 BLE

I tried to connect my RFM69HCW to Arduino Nano 33 BLE, so that I wont be needing Logic Level Shifter to downgrade the voltage, since Arduino Nano is already 3.3V. Upon checking its datasheet and ...
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0 answers
25 views

Writing my own audio_provider on a nano 33BLE to catch data from external microfone

I'm working on ML on microcontrollers and I'm practicing with some examples from tinyML book. They deploy a speech detection example that is able to recognize between a "yes" a "no&...
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1 vote
0 answers
38 views

Arduino Nano Ble Sense stopped working suddenly

My Arduino Nano 33 BLE Sense stopped working suddenly a while after uploading firmware for an ML project. I've used my board for several ML projects and it worked like a charm. I can't find the board ...
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0 votes
0 answers
88 views

Arduino Nano 33 BLE Sense starts in bootloader mode on power up

I'm facing a lot of issues with Arduino Nano BLE Sense. I'm aware about the port switching between bootloader (when the yellow LED pulses) and application. First issue Sometime when I power up the ...
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  • 265
2 votes
0 answers
54 views

Micromod nrf52840 sniffer

Can I use the Micromod nrf52840 processor module, Micromod ATP carrier, with Nano 33 type bootloader and modify the ArduinoBLE library or modify the MBED OS abstraction layer and make a promiscuous ...
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0 votes
1 answer
68 views

Arduino 5v pin outputting lower power than expected

I have hooked the pin v5 of an Arduino Nano 33 BLE to the A0 pin and measured the value by doing Serial.println(analogRead(A0));. I would expect to see 1023 however instead I see the value oscillating ...
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  • 111
1 vote
0 answers
42 views

MQ-4 Sensor working fine with Beetle Bluno BLE but not with Arduino Nano 33 BLE

I have an MQ-4 sensor connected to a Beetle Bluno BLE that seems to work fine, however, when I change the board to an Arduino Nano 33 BLE, the sensor doesn't seem to work well (I get an arbitrary ...
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  • 111
0 votes
1 answer
176 views

5v pin not outputting any voltage in Arduino Nano ble 33

I bought an Arduino Nano ble 33 but when I try to power my MQ-4 and MQ-8 sensors, these don't turn on at all, they do turn on if I switch to the 3.3V tho. Is there anything special that I need to do ...
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  • 111
1 vote
0 answers
113 views

Arduino Nano 33 BLE Sense TFlite inference hangs when using bluetooth

I'm running into an issue where when I try to set up a BLE service my tflite inference seems to hang/crash. I used https://experiments.withgoogle.com/tiny-motion-trainer to train a model to recognize ...
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  • 11
0 votes
1 answer
159 views

Arduino nano BLE sense Serial port Suddenly stopped working

Last week I got my new Arduino nanao ble sense. Today I was executing a code on it which reads every sensor data on it and print it on serial monitor. I changed some parameters in my code and upload ...
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2 votes
1 answer
51 views

Is it possible to extract the firmware of an Arduino BLE or IoT board wirelessly?

I've looked at previous questions regarding sketch extraction and know that it is possible to extract the hex code from an Arduino board using avrdude from the command line. However, I want to see if ...
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2 votes
3 answers
751 views

Arduino Nano 33 BLE - use of flash to store data; how to expand a piece of sample code

I've been looking into how to store data in between restarts. With an Arduino UNO, there are plenty of EEPROM libraries, but I'm not finding something 'off the rack' for the Arduino Nano 33 BLE. I ...
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  • 239
1 vote
0 answers
59 views

Arduino 33 Nano BLE Sense not compatible with pulseIn()?

Preface Currently, I'm making an application on a Arduino 33 Nano BLE Sense. I'm trying to measure the current humidity and send it via BLE to another device. The target is to send a precise value ...
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1 vote
0 answers
73 views

Motor not working when using Nano 33 BLE and transistor because of low voltage

I'm a beginner using a new Arduino Nano 33 BLE to power a low voltage motor. I've tested that the motor can run using a standard 1.5V AA battery when connected directly, but I cannot get it to work ...
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1 vote
0 answers
84 views

Unable to upload program to Nano33 BLE Sense

I searched for answers on StackExchange but did not find any for the situation I am in. I use a macBook pro to connect the recently procured Nano33 BLE sense via a USB cable. I tried a couple of ...
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3 votes
1 answer
3k views

How Do I Control the Onboard LEDs of My Arduino Nano 33 BLE Sense?

I picked up my Arduino Nano 33 BLE Sense for the first time in a while and ran the classic "Blink" sketch to make sure it was alright. After slight usage, I wanted to play with the onboard ...
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1 vote
0 answers
126 views

Unable to correctly read CSC GATT data with ArduinoBLE on a Arduino Nano 33 IOT

I've set up a Nano 33 IOT as a central device and I'm attempting to read the data from a Cycling speed and cadence BLE device. The spec for the CSC Gatt service I want is: https://www.bluetooth.com/wp-...
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  • 119
1 vote
1 answer
218 views

Can not upload to Arduino Nano BLE 33

I am new so please be nice :) I am trying to upload the Blinky example to my Arduino Nano BLE 33 but I get this error message from the Arduino IDE: No device found on ttyACM0 Set binary mode Send auto-...
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1 vote
0 answers
543 views

Arduino Nano 33 BLE work with its Bluetooth and GPS synchronously?

I am using Arduino nano 33 Sense BLE in which I want GPS to run and display its location . The GPS module which I am using is Adafruit GPS. I want both Bluetooth and GPS to run synchronously. But only ...
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1 vote
0 answers
114 views

Subscribing to Bluefruit LE Friend with ArduinoBLE not working

I've been using an Arduino Nano 33 BLE to communicate with my PC over the BlueFruit LE Friend's UART characteristic. Using the default ArduinoBLE library, I'm able to connect to the BlueFruit from the ...
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0 votes
2 answers
476 views

Problem with interrupts and 4x encoders on Nano 33 BLE

I have a Pololu 4x encoder and am trying to write some code to make it work on my Nano 33 BLE. (Interestingly enough, the issue preventing some pre-existing libraries from working for me is the same ...
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  • 111
0 votes
3 answers
2k views

Copying String into another String

I have an array of Strings in my code: String BitSequence [257]; Each string will have 23~64 characters. At one point in my code, I have to use "myString.remove()" command and I don't want to apply ...
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  • 5
0 votes
1 answer
141 views

availableForWrite() function return error when compiling for Arduino nano 33 BLE

I used availableForWrite() function as below in my code. When I compile it for nano 33 IoT, everything is OK and compiles perfectly. However, when I change the board to nano 33 BLE, I end up with two ...
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  • 5
2 votes
1 answer
5k views

Arduino Nano 33 battery power/charging

I have a project with an Arduino Nano 33 BLE Sense. My project is working great, but I need to transition it to battery power, and I'm having a bit of confusion about exactly what's required. I have ...
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  • 131
0 votes
2 answers
679 views

Information about 'Arduino Nano 33 IoT'

blox w-102 is based on esp32** which (Esp32) can be used as a standalone chip for projects. Here I want to know how w-102 and samd21g18a are communicating with each other. If they are communicating ...
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