The PCB is standard FR4 material PCB.
The Lens material varies depending on the version of the lens used. The standard 56-degree lens has plastic lens elements which are made of PMMA plastic, whereas the 116-degree lens is all glass construction.
The lens barrel and holder are made of ABS plastic.
The CMOS sensor on the PCB is a PLCC package,. with a cover glass on top of the sensor surface.
Yes, the default lens is the 56-Degree lens and we also have 76-degree and 116-degree lenses available.
Yes, you can purchase it separately. You can contact our sales team for your orders.
No, you shouldn’t use a third-party USB to Serial converter. Custom made, please see note below.
You cannot use other FTDI or generic programming adaptors, as most of them do not use the same reset technique required for 4D Processors, and will either not work correctly, or will ‘brick’ the 4D Processor. It is highly recommended you do not even attempt to try this at risk of damaging your module’s processor.
4D Programming Adaptors or Cables are available on the 4D Systems website, or from distributors.
Using the wrong programming cable or adaptor may damage your module and void your Warranty.
uUSB-PA5-II, 4D-UPA, Programming Cable, (Legacy – uUSB-PA5, uUSB-CE5, uUSB-CE5-2, uUSB-MB5)
Warranty Note:
PmmC/Firmware or user application code programming should only be carried out using official Programming Cables or Adaptors. Any malfunction because of custom or third-party USB to Serial converters or Serial (RS232) to Serial (TTL) level converters will void the warranty. It also applies to all 4D products which require an interface from the PC to the module for testing using 4D Software Test Tools. Using an incorrect programmer could ‘brick’ your module.
Custom Made:
If you have an application that requires you to have an on-board programmer, such as in a custom product, please contact our Support team, so the required information can be passed to you so you design can a programmer that meets the required specification for programming 4D Processors.
File corruption in microSD cards will most likely happen when it gets interrupted while it has an ongoing write procedure. This can occur due to almost any reason like power interruption, sudden card removals, etc.
There is also a low chance that file corruption can occur when the file is frequently being read. The probability of this happening can be further reduced by using Industrial microSD cards that have ‘Read Disturb Prevention’ technology.
All 4D devices that use microSD cards require cards that support the SPI protocol.
It is not ‘mandatory’ for manufacturers to support this protocol, but most do. Unfortunately, this is not usually explicitly labeled or shown, so it can be a challenge to find suitable cards.
For this, we highly recommend using our Industrial Grade cards, which support SPI and Read Disturb Prevention technology.
Make sure your microSD card supports the SPI interface, that is how 4D processors connect to the microSD card. There are some brands of cards, also fakes or duplicate cards, in the market that fail to work with SPI either at all, or reliably. These cards are usually duplicates of the popular microSD brands and do not specifically state compatibility with SPI.
SPI compatibility is critical for 4D Systems processors.
For best results, purchase your microSD card from 4D Systems, We sell cards that we know are reliable and work as they should, refer to the 4D Systems website.
Except for Goldelox, all 4D processor supports FAT.
Goldelox only supports reading the microSD card in RAW format.
The rest of the 4D processors support FAT16 which can take up to 4 GB space on the microSD. Any space more than that can still be accessed in RAW format just like in Goldelox.
The best practice is to add a thin transparent membrane that can be effectively fused to the enclosure and then place the display in front of it.
The membrane must be clear and flexible enough for use with the display. Likewise, just using sealants around the edges is not a good way as it can affect touch capability.
When 3 devices are connected to each other through the same UART lines, the third device can interfere with the communication between the other two.
Ideally, only one set of UART pins is connected to another. That means you can either:
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