Parts kit for TashTalk 2 Raspberry Pi hat. Includes PCB, 10 uF capacitor, mini-DIN connector, 40-pin stackable header, RS422 transceiver, programmed PIC12F1840, and two 8-pin DIP sockets. NOTE: This hat must be used with a LocalTalk (or PhoneNet) dongle, a serial cable will not work due to the type of transceiver used.