Pocket PC moved to open hardware category


Popcorn computer announced the change of category of developments related to Pocket Popcorn Computer (Pocket PC) to open hardware category, thereby making known that once the device comes out for sale under a Creative Commons Attribution-ShareAlike 3.0 license and design files will be published PCBs, schematics, 3D printed models and building instructions.

This is excellent news, since the published information will allow third parties and manufacturers to use the Pocket PC as a prototype for the development of their product and to participate in a joint effort to improve the device.

In an effort to be more transparent with the latest developments in development and production, we have created a community thread where we will post updates as they happen.

If you want to follow the latest design or want to delve into the internals of Pocket PC , we have created a repository in GitHub for the latest hardware files. The work has a license of Creative Commons 3.0 from the United States.

For those who do not know what a Pocket PC is, they should know that this is a pocket computer, also called a PDA (Personal Digital Assistant). It is a small computer, designed to occupy the minimum space and be easily transportable, which provides similar capabilities to desktop PCs.

In the case of the Pocket PC (Popcorn Computer) this it is a laptop with a 59 button mini keyboard and a 4,95 inch screen (1920 x 1080, similar to the Google Nexus 5 smartphone screen), which Supplied with an ARM Cortex-A53 processor quad-core (1,2 GHz), 2 GB RAM, 32 GB eMMC, 2,4 GHz Wi-Fi / Bluetooth 4.0.

The device is equipped with a removable 3200 mAh battery and 4 USB-C connectors. Optional equipment with GNSS and LoRa radio modules (Long Range Wide Area Network, allows data transmission over a distance of 10 km).

The base model is available to pre-order for $ 199 and the LoRa version for $ 299 (marketed as a platform for creating LoRa applications).

A feature of the device is the Infineon OPTIGA TRUST M chip integration for separate storage of private keys, isolated execution of cryptographic operations (ECC NIST P256 / P384, SHA-256, RSA 1024/2048) and generation of random numbers. Debian 10 is used as the operating system.

We learned a lot from the latest Original Popcorn production. We did not receive the level of support promised us by the USB-C IC manufacturer that we chose to handle the USB Power Delivery system. 

As such, we changed the layout of Pocket PC to incorporate a robust single chip solution from Texas Instruments. 

With this new solution, we added to the design dedicated port protection ICs with ESD protection and surge protection ICs also from Texas Instruments on all ports. This will make the design more robust to faulty power conditions.

Finally, Popcorn Compute mention that to have the software ready and an excellent development of the Pocket PC, community assistance has been requested to ensure that aspects of the product they can be upgraded and also so custom kernels are not required. To achieve this, a community effort is required to review and test new solutions before submitting them to the Linux Kernel mailing list.

It is because of that call on those interested to continue the development effort and those who want to can join the discussion in which more people are already joining for the embedded Linux development support.

In an effort to be more transparent with the latest developments in development and production, we have created a community thread where we will post updates as they happen.

In addition, it is mentioned that the keyboard layout has been modified to incorporate feedback from community suggestions and the practice of 3D printed prototypes.

The space bar has been extended to allow pressing from a comfortable hand position and a few other minor changes.

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