Signal / interface
    CH340G IC SOP-16 USB to Serial Port UART...

    Rs.150.00
    BUY
    MAX3232 3-V to 5.5-V Multichannel RS-232...

    Rs.70.00
    BUY
    MAX485 RS485 IC DIP-8 Comunication

    Rs.50.00
    BUY
    Tone Decoder IC LM567 LM567CN DIP8

    Rs.30.00
    BUY