7
Components: WhatThey Do & Where To GetThem
Eachcomponentis describedbelow.I have listed multiplesources formost
components, buthave notactually triedall of them,so best treat thespecified part
numbers asguidance only.WhereeBay islisted asa supplier,the part islikely tobe
cheaperthere thanthe othersources, sometimes considerablycheaper. Further
savingsare usuallypossible by ordering parts directfrom countrieslike China.
PCB
Image Qty Reference Description
1
PCB Printed circuit board SC103 Z80PIO
Supplier Partnumber
EasyEDA SearchEasyEDA.comfor RC2014 PIO
ThePCB is currentlyonly availableto be orderedfrom EasyEDA.com,althoughyou
candownloadthe Gerber and send it to yourpreferredmanufacturer.
C1, 2, 3, 4
Image Qty Reference Description
4
C1, 2, 3, 4 Capacitor 100nF,ceramic,leadspacing =2.54mm
Supplier Partnumber
Farnell 1100533
Mouser 75-1C10Z5U104M050R
RS 699-5027
Thesecapacitorsprovidepower supply decoupling(orbypass). The fast switchingin
digitalcircuits createsspikeson thepower supplylines which are suppressed with
decoupling capacitorsplaced at key pointson the circuit board.