Dear Madame/M-r,
We are a small R & D company, based in Bulgaria, Europe.
We specialize in developing Embedded systems based ST(STM32), Microchip (Atmel )(PICs,AVR,Atmel ARM) and TI (MSP430) MCPUs and peripheries.
We realize projects with requirements similar to yours.
Our tools for design Atmel(Microchip) based systems:
Microchip(Atmel ) Studio 7
Atmel ICE - debugger programer
Bread board based ATTiny84A.
If we receive more information about your project(about rotary swith), we will give you a real cost and time to implement your project.
We based in Europe, not customs problems for delivery models and samples for testing.
Best
Valeri T.