Instruction manual

DCI1 10
PARTS SUPPLIED WITH YOUR DCI1 KIT
Capacitors
2 22 pF disc capacitor (marked 22) [C7,8]
1 470 pF disc capacitor (marked 470 or 471) [C1]
2 .01µF disc capacitor (marked .01, 103 or 10 nF) [C2,6]
5 .1 µF disc capacitor (marked .1 or 104) [C5,10,11,14,15]
1 10 µF electrolytic capacitors [C4]
1 100 µF electrolytic capacitors [C3]
Resistors
4 100 ohm (brown-black-brown) [R14,15,16,17]
2 220 ohm (red-red-brown) [R11,18]
1 1K ohm (brown-black-red) [R3]
10 10K ohms (brown-black-orange) [R1,2,5,8,9,10,12,13,19,21]
1 100K ohms (brown-black-yellow) [R4]
1 330K ohms (orange-orange-yellow) [R6]
Semiconductors and Integrated Circuits
5 1N4000 series diode (black body with white band) [D1,5,6,7,8]
-Note that 1N4002-1N4007 diodes may used.
4 1N4148 diodes (small glass diode) [D2,3,10,11]
5 2N3904 transistor (three leads TO-92 package marked 3904)
[Q1,2,3,4,6]
1 7805 +5 volt voltage regulator [VR1]
2 JUMBO red LED [D4,9]
1 68HC908JK1 pre-programmed micro-controller (20 pin DIP) [U1]
(marked with a sticker labeled DCI1)
1 HT9170B DTMF decoder IC (18 pin DIP) [U3]
Miscellaneous Components
4 2 screw terminal jack [J1,2,3,4]
1 2.1 mm DC power jack [J5]
1 RJ11 modular phone jack (PCB mount) [J6]
2 DPDT PC mount pushbutton switch [S1,2]
4 9 Volt Relay [K1,2,3,4]
1 3.579 MHz crystal (Marked 3.579 or 3.579545) [X1]
1 #4-40 kepnut [for VR1]
1 #4-40x1/4” screw [for VR1]