 Notice. New forum software under development. It's going to miss a few functions and look a bit ugly for a while, but I'm working on it full time now as the old forum was too unstable. Couple days, all good. If you notice any issues, please contact me. |
Forum Index : Microcontroller and PC projects : New "Tiny" RP2040 module from WaveShare....
| Author | Message | ||||
Grogster Admin Group  Joined: 31/12/2012 Location: New ZealandPosts: 9308 |
A little bit smaller, optional add-on board with USB-C connector and buttons, parts all on ONE side, with the bottom side being flat allowing for very easy surface-mounting. WS "Tiny" RP2040 module... Still seems to only have the 2MB memory chip, but that is not a deal-breaker - for me. Smoke makes things work. When the smoke gets out, it stops! |
||||
Mixtel90 Guru  Joined: 05/10/2019 Location: United KingdomPosts: 6800 |
Perhaps they had too many "How do you expect me to surface mount this thing?" complaints. :) I don't think I'll bother. I don't like that sort of cable at the best of times. lol Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
||||
| Grogster Admin Group Joined: 31/12/2012 Location: New ZealandPosts: 9308 |
Hate not, the FPC and connector.  They are just fine, if handled correctly. Your stereo is probably full of them connecting all the boards together inside. Perhaps not suitable for REGULAR use, but for occasional firmware updates etc... IE: Develop on the Zero with the USB-C socket and buttons, then use the Tiny on the product, as once you have the program correct, you should not need to update THAT often. They are pin-for-pin compatible, and the footprint - as far as the I/O pins are concerned - are identical. Smoke makes things work. When the smoke gets out, it stops! |
||||
| Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 6800 |
I've not liked the darned things since the ZX81 keyboard. I'm not going to start showing love for them now. ;) I can never get them to plug in easily. My fingers aren't that size or shape. The latching sockets, made by orcs in the depths of Hell, are even worse! Horrible things... (My stereo is all hard-wired with proper wire apart from the chinese DVD player that I occasionally use to play CDs. This I know because, apart from that and the power amps (which are guaranteed ribbon-free), I wired it all. :) ) Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
||||
| Volhout Guru Joined: 05/03/2018 Location: NetherlandsPosts: 4251 |
I find it hard to get enthousiastic about all these derivatives. Some derivatives refuse to run faster than 200MHz, and I don't want to be the one to find out. I'll stick with the genuine RP boards, and add peripherals per project. I may invest in a WebMite though. Beginning to get excited about that. Especially now Geoff showed a nice web GUI running on the mite. Could use this for my son's tropical frog habitat. Volhout Edited 2023-05-05 22:17 by Volhout PicomiteVGA PETSCII ROBOTS |
||||
| Grogster Admin Group Joined: 31/12/2012 Location: New ZealandPosts: 9308 |
@ Mixtel90 - LOL!!!  OK, fair enough. @ Volhout - I still like and use the standard Pi foundation issued Pico module where I can physically fit it in, but I have many different projects that are designed to fit on a standard single wall-plate, and the standard Pico module just gobbles up way too much PCB real-estate.  That is why I am interested in all the smaller ones, cos you CAN fit them on the back of a wall-plate along with everything else on the circuit without too much difficulty.  Smoke makes things work. When the smoke gets out, it stops! |
||||
Quazee137 Guru Joined: 07/08/2016 Location: United StatesPosts: 572 |
I find Waveshare has been a good source of RP2040/pico's. Ordered 4 of these with the the USB C add on ribbon. Really these would be just right for thwill's game board. As they can be flush mounted and have enough needed pins. Even doing a cutout using the other tiny pico would work nicely. I am looking at using these to do smart PH and conductivity of cooling tower water even with the lower res of the ADC's. Will allow for plain text data transfers into spreadsheets. Also easier calibration. All thanks to MMBasic. Quazee137 |
||||
bigmik Guru Joined: 20/06/2011 Location: AustraliaPosts: 2914 |
Hi All, I think the concept of the USB plug in is just for programming/flashing the 2040 PCB, once done the usb and cable are removed for the small PCB to be secreted away inside some case/device. Regards, Mick Mick's uMite Stuff can be found >>> HERE (Kindly hosted by Dontronics) <<< |
||||
hitsware2 Guru Joined: 03/08/2019 Location: United StatesPosts: 713 |
one two three four five Edited 2023-05-06 23:38 by hitsware2 my site |
||||
| Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 6800 |
I prefer to stick with the original Pico. I got the YD-RP2040 modules because they were cheap and have more flash. The fact that they won't run at over 200MHz isn't of great importance for the job I have (or had) in mind for them at the time. They also happen to have four ADC ports. I've just got some of the RP2040=Zero boards because I think they'll be even better for the project. :) In both cases the boards have USB-C connectors, which I think should have been on the original even if it made it a little more expensive. MicroUSB is ok for occasional connection, so for embedded computing it's probably ok, but did they really expect them not to be repeatedly plugged and unplugged by hordes of hardware hackers? I do miss having a GP25 LED on the RP2040-Zero though, especially as one of the pins needed for VGA is connected to the onboard, non-isolatable WS2812. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
||||
| JohnS Guru Joined: 18/11/2011 Location: United KingdomPosts: 3805 |
There are more :( I wonder which have what problems/shortcomings/etc... (Like not running MMBasic fully or at higher speeds or ...) John |
||||
| Volhout Guru Joined: 05/03/2018 Location: NetherlandsPosts: 4251 |
They all run of a small lineair regulator. When the limitation is in power use, they Maybe all have the problem. I know the switcher is Noisy, but I like it a lot. Volhout PicomiteVGA PETSCII ROBOTS |
||||
| Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 6800 |
Agreed. The switcher is ideal when you don't need audio or low noise ADC. Both of these are better unloaded from the Pico anyway to reduce "computer hash" noise. Being able to run from less than 3V can be very useful sometimes. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
||||
 Print this page |
