On 02/12/2015 11:11, k...@g...com wrote:
> Mozna na przyklad na aliekspressie:
> http://www.aliexpress.com/item/5pcs-lot-Four-Way-3-3
V-5V-5V-3-3V-IIC-UART-SPI-TTL-Bidirectional-Level/18
91415943.html
>
> A ogolnie to jest chinska wariacja na temat tego designu:
> https://www.sparkfun.com/products/12009
>
> Pozdrawiam,
>
https://www.google.com/search?q=bidirectional+voltag
e+shifter&pws=0&biw=1920&bih=989&source=lnms&tbm=isc
h&sa=X&ved=0ahUKEwiu0eWfkr3JAhUJ7RQKHTgYDD8Q_AUICCgC