Multi Function Switch

Resistors
R1-R4 = 100kOhm (SMD 1206)
R5 = 100kOhm (SMD 0805)
R6,R9 = 22kOhm (SMD 0805)
R7 = 100Ohm (through-hole)
R8 = 1kOhm (SMD 0805)

Inductors
L1 = 47µH, e.g. Panasonic ELJFA470JF (1210 suppressor coil, min. 80mA)

Capacitors
C1,C6,C9,C10 = 100nF (SMD 0805)
C2,C5 = 10n (SMD 0805)
C3,C4 = 220nF 275VAC X2
C7 = 100µF 35V radial
C8 = 10µF 35V radial

Semiconductors
D1-D8 = TS4148
D9 = 24V 1.5W zener diode
D10 = LED 0805
T1 = MMBF170
IC1 = PIC10F206T-I/OT
IC2 = L78L05ABD

Miscellaneous
Re1 = 24VDC relay, SPST, Multicomp type HRS4-S DC24V
K1 = 5-way SIL pinheader
K2 = 3-way PCB screw terminal block, lead pitch 7.5mm
With the Twilight and IR switch, components R2, R4, C4, D5 and D7 are omitted

Twilight switch
R10 = LDR FW200, Conrad Electronics # 183580
R11 = 1k
P1 = 250k
C11 = 10µF 63V
C12 = 100nF
IR switch
IC3 = IR switch, TSOP1738
C13 = 100nF
Countdown switch (R1,R3 and C3 omitted)
S1 = pushbutton, 1 make contact (see text)
R12,R13 = 5kOhm6 1W