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9:02 AM
To be honest, it is also the first time for me playing with the UART servo. So experimenting too.
Beautiful PCB! Is it a customized PCB that you designed/ordered?
On my side, I still have to try reproduce the signal of your oscilloscope and see if the servo is going to answer or not. Also waiting for the little controller, but this will take some time.
 
 
5 hours later…
2:24 PM
(1) HiWonder seems to have a 2020 cheaper model LX-20S. Did you see this when you ordered yours last time? This model has only one axis, but I think it is more affordable to fry, or for a project with many servos.
The TXS0102 module is from a TaoBao shop. I remember that they delayed my small order of 20 pieces, because they need to make large quantities for Singapore. Singapore has a reputation of making high quality products (sometimes military grade). So I think they require good quality TXS0102 too. Before that I tried different cheap versions of TXS0102/04/06/08 but found them problematic. So this time I am wiring a new one on bread board to do a more rigorous test.
I am thinking of testing LX-224 UART commands this weekend. I think I don't need to use Rpi python. A lazy way is to use Win10 RealTerm terminal emulator to send and receive commands to LX-224. I hjave been searching for an updated version of LeWanSoul command list. But I could not find one. This might be bad news, becasue they might have abandoned the project during LX-16.
Therefore not more updated command list. If my test this weekend is smooth, perhaps I can use python to create new commands such as turning 306 degrees. Ah bed time. See you over the weekend. Cheers.
 

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