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Pico-w-usb-host-mqtt-numpad Alternatives
Similar projects and alternatives to pico-w-usb-host-mqtt-numpad
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InfluxDB
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The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better pico-w-usb-host-mqtt-numpad alternative or higher similarity.
pico-w-usb-host-mqtt-numpad reviews and mentions
Posts with mentions or reviews of pico-w-usb-host-mqtt-numpad.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-02-09.
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Benchmarking latency across common wireless links for microcontrollers
> Several months ago, I built a project using USB host mode on a Raspberry Pi Pico, which uses a USB numpad to pass messages to an MQTT server. This uses the Rp2040's USB host mode https://gitlab.com/baiyibai/pico-w-usb-host-mqtt-numpad
Maybe I read the README a little to quickly, but you seem to be using standard WiFi for communication. As stated in other comments in this thread, this solution already exists. USB through Ethernet extension are well established and you can already connect this to a WiFi extender.
What I was thinking was to achieve this with a simple radio connection that do not need configuration or even a WiFi network to function. Just plug it in and it works. Here's a sketch of the high level concept I had in mind: https://ibb.co/VD2d9XM
Is your point that once you can do that with Wi-Fi it is trivial to do it with any type of radio connection?
> From my limited understanding, it should be possible to pass these USB messages from HID client to HID host and vice-versa.
Someone did this here using Etherkey and an ATmega32u4: https://www.sjoerdlangkemper.nl/2022/11/16/running-etherkey-...
> it seems the TinyUSB library doesn't provide the full bitmask resolution necessary
If my understanding is correct, Arduino already provides low level USB controls: https://shorturl.at/joSWZ.
All in all, it seems to me that there is an opportunity here but unfortunately this requires skills in electronic, radio and USB protocol that I do not possesses and seems fairly rare.
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PiWrite – Kindle Paperwhite to Write
Neat project. I'd really like to author plain AsciiDoc on an e-paper display without distractions.
On one of your earlier commits (https://github.com/rberenguel/PiWrite/commit/c23bfdccd43e1c5...), you mentioned using a Pico W. There may be an avenue for that. A few days ago I submitted my Raspberry Pi Pico W Host MQTT Numpad project to Hacker News, but unfortunately it didn't gain any traction. https://gitlab.com/baiyibai/pico-w-usb-host-mqtt-numpad. I detail some of the developments on USB Host mode. There doesn't seem to be native MicroPython support for USB Host mode yet. I did find a project which seems to to load the pico-pio-sdk as a library and use a GamePad for input: https://github.com/danjperron/pico4legsBot
Also, about a year, I wrote down some of the requirements for an e-paper RPI Pico-based e-ink writer in a comment. I wanted to dub mine, 'the microWrite', 'μWrite', 'uWrite', or 'you write' https://news.ycombinator.com/item?id=32092930.
I suppose the question is whether it is feasible to adapt PiWrite to run in MicroPython. The next question is whether one could ditch the webserver-based approach and interface an e-paper screen directly to the RP2040. Waveshare offers MicroPython libraries for their e-paper displays. This might offer better latency.
- Raspberry Pi Pico W USB Host MQTT Numpad
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