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Messages - lennevia

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TinyDuino / Re: TinyZero Smartwatch Screen stops working
« on: November 24, 2020, 11:18:12 AM »

Were you able to get the TinyScreen working?

General Discussion / Re: TinyScreen+ stuck in Bootloader Mode
« on: November 23, 2020, 11:27:00 AM »
Glad to hear you could sort it out!

It seems restarting everything usually seems to do the trick for most electronics  ;)

This is awesome! It's great to finally see pictures of the tiny rocket!

We are looking to hopefully release the ZOE GPS TinyShield on our website sometime in the next few months. Thanks so much for putting it to good use and reporting back on your findings!

General Discussion / Re: Plant Monitor Kit Tutorial Photo
« on: November 20, 2020, 12:16:50 PM »
Looks like the picture link got broken from an edit on the product page.

I will build the site later today to get it fixed. Good find!


TinyDuino / Re: Dual Motor Tiny Shield with LEDs
« on: November 17, 2020, 05:01:06 PM »

Yes, you could use a Dual Motor TinyShield to drive some LEDs. Since the LEDs draw quite a bit of power, it would probably be best to attach the series of LEDs to both motor outputs so that you don't have to approach the upper limit (1.8A) on one of the motor chips.

This has been done by others with other motor chips, so it's not a crazy idea if it makes sense for your project.


TinyDuino / Re: HC-SR04 on proto board
« on: November 17, 2020, 03:19:41 PM »

It sounds like you may have damaged the ultrasonic sensor with the loose connections if you are no longer able to read data using the Arduino UNO that previously worked with the sensor.

For testing a circuit without making soldered connections, you might want to consider using the Proto Terminal Blocks TinyShield in the future:

As mentioned in the forum post you linked, even if you were using less voltage than the 5V required by the HC-SR04, it sounds like the sensor would function at some capacity.

Let me know if you are able to get the sensor working with the Arduino UNO again!


General Discussion / Re: Question about TinyDuino Smartwatch
« on: November 17, 2020, 12:46:33 PM »
There are programs for the TinyZero to be used for the Smart Watch project that will be added to GitHub and the tutorial for future reference.

Until then, they are attached to this forum message.


General Discussion / Re: Question about Custom Fitness Tracker
« on: November 17, 2020, 12:43:47 PM »

There should be a block of code toward the top of the Fitness Tracker program that looks something like this:

/Library must be passed the board type
//TinyScreenDefault for TinyScreen shields
//TinyScreenAlternate for alternate address TinyScreen shields
//TinyScreenPlus for TinyScreen+
TinyScreen display = TinyScreen(TinyScreenDefault);

If you edit the display variable name to match the TinyScreen TinyShield, I believe the program will work other than the battery voltage section that is specific to the TinyScreen+ processor hardware.

If you were to purchase the TinyScreen+ processor for this project, you would only need to use the TinyScreen+ and not include the TinyZero in the hardware stack since each board is a processor board.

TinyDuino / Re: TinyZero Smartwatch Screen stops working
« on: November 12, 2020, 11:44:48 AM »
Hey there,

Since the screen is made of glass, it's not unbreakable and a small crack could prove to be fatal for the screen if there is any chance it was damaged.

TinyDuino / Re: Tri-Colored LEDs
« on: November 09, 2020, 06:31:04 PM »
I would say that you might need a voltage regulator to step down the voltage.

You can look for more resources on the Arduino forum:

Or I would advise you to contact the vendor of your tricolor LEDs and ask them.

TinyDuino / Re: Tri-Colored LEDs
« on: November 05, 2020, 11:54:14 AM »

I cannot be quite sure since I don't know what exact LEDs you have, but it sounds like you have tricolor LEDs that may require some resistors to be connected in series with each of the "colored" leads. I found a tutorial that might be helpful:

I believe the best way to approach would be to use some RGB LED Wirelings and a Wireling Adapter TinyShield - this way you do not have to worry about connecting these tricolor LEDs and keeping track of the pins, just the labeled ports - you can also string them together, and there is an easy-to-use library, FastLED, that includes a lot of functionality that makes it easy to work with.

It depends on what you would like to accomplish!

I hope that helps!



All of our product pages include dimensions specs as well as power consumption specs. Dimensions are included as the last image in each product photo reel. Power consumption can be found under Tech Specs, or more in-depth information about power and different power modes can be found from the datasheets included under downloads.

Most boards in the TinyDuino platform are 20mm x 20mm.

From there you can make a few choices to minimize the stack height if you choose to do so. The GPS Tracker Stack in the tutorial includes the TinyDuino, USB TinyShield, GPS TinyShield, and Flash Memory TinyShield. With this stack in mind, the height would match the screw height from the Mounting Kit ( to be around 15mm. The GPS Antenna of course takes up some space, but the main stack would be 20mm x 20mm x 15mm.

You could simplify the TinyDuino and USB TinyShield into one board, the TinyZero to save a few mm of height to have around 8-10mm instead. (You can cut the mounting kit screws once installed)

For power consumption, it depends on how often you are polling data, reading and writing data to the flash memory, and if you take into account any low-power modes. I recommend thinking about how long you need to run your project (in hours) and what the likely consumption is in mA. Once you have the number of hours, and the amount of mA the project is likely to draw, you can multiply these to get a mAh approximation. This number can be used to decide which battery works best for your project:

Hope that helps!


Wirelings / Re: How to debug thermal camera capturer example code?
« on: November 03, 2020, 11:51:48 AM »
I removed the incorrect comment in the program and tested the program itself.

The program works as it is detailed in the project writeup and I was not able to duplicate any errors. I would recommend moving the sensor around the room or waving your hand in front of it at some distance to see a change in the graphic. When I tested the program, I noticed it stopped working when the boards became loose in the stack - the Wireling Adapter TinyShield remained intact but loose, so this may be something to look for as well.

Have you been able to get working behavior using the correct port and address?  Let me know!

Wirelings / Re: How to debug thermal camera capturer example code?
« on: November 03, 2020, 10:08:15 AM »
I forgot there was a project with it!

Yes, for that project you linked you will want to plug the Wireling into port 0 as noted in the program, and for all examples you will want to use address 0x69. There was a prototype before that used address 0x68, but we changed it before production so it looks like that note in the tutorial didn't get changed to reflect the production boards. I will fix it sometime today.

I would recommend first verifying the simpler program in the tutorial is working (use port 1, address 0x69):

I will take a look at the project program to see if I can sort anything out.

TinyDuino / Re: Motor x4
« on: November 02, 2020, 07:25:20 PM »

As far as I know, there is no reason not to use it if you have it and it makes sense for your project. The current Dual Motor Shield is an updated version that adds more functionality with the JST-SH connectors so you can use a small rechargeable lithium battery, as well as being able to plug in motors rather than solder them or use a breadboard like you would need to do for the obsolete board.

The current board is also cheaper with 2 motor chips rather than 4. Either option works for your project, so I would say to give the obsolete board a shot. The tutorial is here for the Motor X4 TinyShield:

Let me know if you have any problems or questions!


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