I believe Palm was rebadging it for their devices. I think the one in the article is just the Palm-branded Targus one. They made several variants of them, some were designed for Palm, others for Windows CE devices (e.g. Posted in Peripherals Hacks, Wireless Hacks Tagged Adafruit Feather, nRF52840, palm, Palm portable keyboard Post navigation Want an all-in-one solution for typing on the go? Check out the history of tiny computers. Watch the demo video unfold after the break. The schematic, code, and STL files are all there in the repository, so go pick up one of these foldy keebs for cheap on the electronic bay while they’re still around. We love that there’s a tiny hidden switch that engages the battery when the adapter clicks on to the connector. Since the PPK is RS-232 and needs to be TTL, this circuit also needs a voltage level inverter which can be made with a small handful of components. There’s really not much to this build, which relies on the Adafruit Feather nRF52840 and will readily work with Palm III and Palm V keyboards. It also uses the hardware serial port instead of the software serial, which saves brainpower. Inspired by the work of to make a USB adapter as well as ’s efforts with the ESP32, points out that this version is more power efficient, easier to program, and has a built-in Li-Po charging circuit. And what do we have now for luxury typing on the go? Rubber roll-up jelly keebs? That’s a hard no from this scribe.īut why mess with the success of the the Palm Portable Keyboard? It just needs to be updated for our times, and that’s exactly what did with their PPK Bluetooth adapter. So Palm made a sweet little portable keyboard that would fold up and fit in your cargo pocket. Long ago when digital portables where in their infancy, people were already loath to type on tiny keyboards, stylus or not.
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