Croatia-based engineer Igor Brkić has constructed a Raspberry Pi-based handheld laptop computer in a 3D-printed enclosure that is change into an object of envy among a hacker crowd that is spoilt for alternative in relation to Pi-based mini laptops.
Brkić constructed the chunky little machine, dubbed the hgTerm, out of a necessity for one thing extra compact than a laptop computer that he might use when debugging and flashing embedded gadgets within the discipline. And, after all, enjoying “games and stuff”.
These necessities imply he wanted one thing with respectable battery life, simply sufficient processing energy, a high-resolution display, good audio, a bodily keyboard, and a show that may open to 270 levels.
He settled on a four-inch show made for the Raspberry Pi, a Bluetooth keyboard, which sits on a 5,000mAh Xiaomi powerbank stripped of its casing, and a Raspberry Pi 3B that he trimmed of pointless components, such because the USB port, the Ethernet port, HDMI, and digital camera and show connectors.
He additionally reduce the board’s GPIO pins to 60 p.c of their authentic peak to make it compact sufficient for the undertaking.
The rationale for trimming the Raspberry Pi is that the board is situated within the laptop computer’s lid, in a slim area behind the show, which is a non-touch Hyperpixel display from Pimoroni.
Squeezed between the show and Raspberry Pi there’s additionally a real-time clock, an Arduino Professional Mini, a USB to serial cable, and a power-management board. So, fairly than plugging exterior gadgets right into a USB port on the aspect of a keyboard, they’re linked to a port on fringe of the show.
The 3D printed enclosure has double hinges, permitting the display to be positioned as a typical laptop computer or flipped over into stand mode.
Brkić has posted links to all the software necessary for the machine’s parts, in addition to the designs for 3D enclosure.
“I’m very happy with the results. The device is quite thick and heavy (mostly due to the huge battery) but fits nicely in the hand. And the keyboard is much more usable than standard smartphone on-screen keyboard,” concludes Brkić.
He is additionally posted a video of talk he recently gave explaining the challenges of creating the machine. The factor took two months to construct, a lot of it spent prototyping the enclosure. He admits the price of parts would not make it cost-efficient however says it was enjoyable to do.
Extra on Raspberry Pi and single-board computer systems