1. Components pre-fitted on board
R3 = 12kΩ, SMD 0805
R4 = 390Ω, SMD 0805
R5 = 10MΩ, SMD 0805
R6,R7,R8,R9 = 51Ω, SMD 1206
C2,C3,C4,C12,C13,C14 = 220nF ceramic, SMD 0805
C9,C10,C11 = 100nF ceramic, SMD 0805
C17 = 220nF ceramic, SMD 1206
C5,C6 = 22pF ceramic, SMD 0805
C7 = 1nF ceramic, SMD 0805
C8 = 100nF ceramic, SMD 1206
C16 = 10nF ceramic, SMD 1206
Inductors
FB1,FB2 = BLM31PG601SN1 ferrite bead, SMD 1206
U1 = MCF52231CAF6 (Freescale) ready-programmed on PCB in kit 071102-71; blank on PCB 071102-1
2. Components to fit on board
Resistors
R1 = 22Ω SFR16S
R2,R17,R176 = 10kΩ SFR16s
R15 = 470Ω
R10-R13 = 75Ω SFR16S
R14 = 270Ω
R16 = 1kΩ SFR16S
RN1 = 7-way 4kΩ7 SIL
RN2 = 5-way 10kΩ SIL
RN3 = 7-way 10kΩ SIL
Capacitors
C1,C23,C24, C26,C143,C144-C147 = 100nF ceramic, lead pitch 5mm
C15,C20,C21 = 4μF7, solid, SMD1206
C18 = 2nF2 1000V ceramic (TDK)
C22 = 330μF 16V, electrolytic, radial
C25 = 220μF 6.3V, electrolytic, radial
Semiconductors
D1 = 1N4004
D2 = LED, 3mm, green
D3 = 1N4148
D4 = LED, yellow, 3mm
Q1 = BC546B
U2 = LD29080DT33R (STMicro)
U4 = MAX3232ECPE
Miscellaneous
F1 = 0.5A slow, 5x20mm
J1 = 26-way double-row pinheader
J2 = RJ45 socket, PCB mount
J3 = DC adaptor socket, PCB mount
J11 = 10-way double-row pinheader
J12 = 8-way double-row pinheader
J13 = 9-way sub-D socket (female), angled pins, PCB mount
J14 = 2-way terminal block, 5mm lead pitch
JP1 = 3-way pinheader with jumper
JP2 = 2-way pinheader with jumper
RE1 = G6D-1A-ASI-DC5 (Omron)
S1,S2 = pushbutton, EVQ-PAE05R Panasonic)
T1 = H1102 Ethernet transformer (Pulse)
Y1 = 25MHz quartz crystal
Fuse holder, PCB mount
Kit of parts, Elektor Shop # 071102-71, contains CD-ROM 071102-81, all parts and SMD-prestuffed circuit board 071102-1
PCB, Elektor Shop # 071102-1, available separately. Marking: 00286_01 “home automation unit”
PCB for TBLCF, www.thepcbshop.com # 071102-2 (optional, see text)
Informative articles
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