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Messages - lennevia

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I just saw your email and thought I had recently read about a similar problem (and forgot to respond to it immediately of course, sorry about that). Glad you were able to find the issue!


Hi there,

The attachment on the message should be visible when you are logged in to the forum. Otherwise, you can download it from the tutorial:


General Discussion / Re: TinyZero start-up
« on: April 21, 2022, 11:48:20 AM »
No, it shouldn't have any other effects for reading the sensors. It's common to use this line for projects that include motors or moving parts since the length of time to upload the code can vary and it's not ideal to have a suddenly moving robot walking off your desk. For those cases, it's nice to have the requirement of opening the Serial Monitor before the rest of the code executes. It is used in a lot of our examples because of cases like that, but it's not always necessary.

General Discussion / Re: TinyZero start-up
« on: April 20, 2022, 06:23:22 PM »
Hi there,

Some of our example programs have a line like this in the setup() loop:

Code: [Select]
This line, or similar lines that do the same thing, will block the program until the Serial Monitor is opened. This will make everything seem broken when disconnected or when the code is uploaded and the serial monitor isn't open since nothing will work.

I hope that points you in the right direction for a solution. Let me know! If not, can you attach your code file(s) to a message so I can take a look at what's going on?


General Discussion / Re: tinyscreen+ stuck in boot loader mode
« on: April 20, 2022, 06:18:55 PM »

When you reload the code, is the TinyScreen+ by itself or are all the components in the fitness tracker project attached? I would recommend trying to reprogram the board by itself. You can try the basic program mentioned in the getting started tutorial with this since I think the fitness program will fail to upload without all the right hardware:

Let me know if that works for you!


Hello Brian,

I'm glad you were able to get the forum working for you, I did see the emails and will respond here.

The 9-Axis code we use implements the I2C addresses:

Code: [Select]
//  I2C Slave Addresses

#define LSM9DS1_ADDRESS0  0x6a
#define LSM9DS1_ADDRESS1  0x6b
#define LSM9DS1_ID        0x68

#define LSM9DS1_MAG_ADDRESS0        0x1c
#define LSM9DS1_MAG_ADDRESS1        0x1e
#define LSM9DS1_MAG_ID              0x3d

These addresses are defined in the RTIMULSM9DS1.h file packaged in with the 9-Axis TinyShield example you can download here:

Additionally, here is the tutorial you can review for any differences in hardware or software that you may need to inspect:

If you'd like to return the modules, please email us with your original order number and return request and we will go from there.

Let me know if you have any other questions.

Thumby / Re: Unable to connect my Thumby to the computer
« on: April 12, 2022, 03:38:09 PM »
Windows is definitely frustrating and silly sometimes, but I'm glad everything's working now! :)

Thumby / Re: Unable to connect my Thumby to the computer
« on: April 11, 2022, 12:32:44 PM »
I've been looking through the Raspberry Pi pico forums and this issue seems to have come up a few times. It could be an issue with your Windows USB driver detecting an "issue" with the Thumby and refusing to connect to it. I would recommend turning the PC off and back on and trying the BOOTSEL mode again a few times to see if that solves the problem. You can also try updating your USB drivers, or you can reinstall, this link covers both options:

If the above options do not solve the problem I recommend trying a different Windows 10 computer. It's unlikely that there would be an issue with the Micro USB cable or Thumby since it still shows up on your computer as an unknown device and is playable.

Thumby / Re: Unable to connect my Thumby to the computer
« on: April 08, 2022, 05:05:22 PM »
What version of Windows do you have? Are you using Windows 10? Windows 7? 

Hi there,

Can you share more information on what your goals are and the hardware and software you are using? Some pictures of your hardware setup as well as links to the libraries and example code you are using might help. Can you share the other products you have used from different vendors that use the same 9-Axis sensor?

Are you using our 9-Axis TinyShield, or are you using our 9-Axis Wireling? Are you using a TinyCircuits processor? What results are you trying to produce from the 9-Axis, and what results are you getting instead?

Let me know.


Thumby / Re: Thumby Care
« on: April 05, 2022, 03:41:34 PM »
Unplugging and plugging or leaving Thumby plugged in shouldn't cause any issues. If anything strange state ever happens, turning the Thumby off and back on will solve most problems. We don't foresee there being any further issues, but a fresh UF2 download is always an option to reset Thumby. For resetting with a fresh UF2:

1. Connect Thumby to your computer
2. Turn Thumby off
3. Hold the down DPAD direction button while turning the Thumby back on
4. Wait for a file explorer to pop-up on your computer or for the RPI-RP2 drive to appear on your computer
5. Drag and drop the UF2 into the folder window that appears. You can download the file using this link:
6. Turn the Thumby off and back on

We recommend watering Thumby 0 times daily and washing the Thumby  with your laundry only when you're sure you never want to use it again.

Thumby / Re: Checking Battery Voltage, MicroPython
« on: April 05, 2022, 03:38:16 PM »
We plan to have an approximation of battery level at some point in the future. It won't be accurate enough for a percentage, but it will likely display a state:
Battery: low/medium/full

TinyDuino Processors & TinyShields / Re: TinyZero + GPS + Analog
« on: March 22, 2022, 06:26:10 PM »
That's great! I'm glad you were able to use a different sensor to get the results you need.

Do you plan on posting/publishing your project somewhere? We would love to share it once you do! Hackster is a great place for posting projects, and I'm sure this project in particular would be really popular there.

TinyDuino Processors & TinyShields / Re: TinyZero + GPS + Analog
« on: March 21, 2022, 12:38:54 PM »
Hi there,

There's definitely a pin conflict here. We list all of the pins used by boards under the Tech Specs tab on the product pages for future reference, and we have a TinyShield Compatibility Matrix here for our boards:

Can you tell me all of the hardware components you are using? Is the analog sensor the only way to get the data you want? Hopefully we can come up with a workaround!


General Discussion / Re: Help: Unable to upload to TinySaber
« on: March 11, 2022, 03:20:11 PM »
I'm not sure why the Tiny Saber would be picky about a cable that's able to transfer data to a Tiny Arcade, but I'm glad you've got a cable working with it.

Thanks for the update!

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