I seem to have ordered a set of incompatible items from the SODAQ shop (a warning would have been nice :wink:) and was wondering if there is a general and safe way to make them compatible.
This concerns voltage and drivers.
The Autonomo runs on 3.3V which means that (at least) the following Grove items will probably not work correctly:
- RGB chainable LED (seems to work on 3.3V, albeit buggy)
- 125 kHz RFID reader
- IR reflective sensor
- Bee socket
Supposing 5V is available (through USB or otherwise) what is the best way to go at this? I can feed 5V into the Grove element, but what needs to be done to the signals? Will feeding 5V signals to the Autonomo do damage? Will components reliably see 3.3V as high? What's the best way to convert signals, if needed?
Regarding drivers/libraries I see that for instance the IR examples include avr/io.h which is apparently an API for AVR based Arduino's, and as Autonomo is ARM based they are of no use. Is there a general way to adapt such code or are the architectural differences so big that re-writing the library is a more viable option?
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The openings on solder mask layer have no solder mask ink, but the openings on paste mask layer have paste.
2) The solder mask layer is one part on the circuit board, but the paste mask layer is not. Paste mask layer is just for the stencil.
3) Solder mask is used for applying solder mask ink, but paste mask is used for applying paste.
4) Solder mask is applied when making PCB board, but paste mask is used when assembling.
1. Prepare Shopping Cart by selecting compounds
2. Email Shopping Cart to yourself or someone else
3. Add or remove items then place the order – or send it further
Select compounds and put them in your shopping cart. Send your shopping cart of selected compounds to another person with the "E-Mail to Colleague" link shown below.
You will enter the colleague’s information and a short message.
After sending the email you will get a notification (see lower) and your colleague will get an email. Notice that you still have your shopping cart items. Look at the very top right corner. The items will stay there until you accept to edit a different shopping cart.
Your colleague will get an email similar to the one shown below. Follow the link to get to the shopping cart. Make changes and checkout - or send it further!