Miernik SWR Arduino.
https://www.aliexpress.com/item/New-AD9850-DDS-Signal-Generator-Module-0-40MHz-Test-Equipment/2035449656.html?spm=2114.13010608.0.0.bFwz4A

https://www.aliexpress.com/item/J34-F85-Free-Shipping-240x320-2-8-SPI-TFT-LCD-Touch-Panel-Serial-Port-Module-with/32599693865.html?spm=2114.13010608.0.0.zS8peo

Kupuje od 4 lat mniej problemów niż allegro.


  PRZEJD NA FORUM