Parts ListParts List| Resistors All resistors are 1/4-watt, 5% unless otherwise indicated |
Other Components |
| R1 - 82 ohms | L1 - Electromagnet coil - relay coil, 6-volts (P&B: KUP11ED15 - see text) |
| R2, R3, R4, R5 - 1000 ohms | Adapter - 12-volts DC, 500 mA |
| R6 - 2000 ohms | S1 - SPST sub-miniature toggle switch |
| R7 - 2200 ohms | Miscellaneous |
| R8 - 3300 ohms | Etched printed-circuit board |
| R9 - 12,000 ohms | Heat sink for Q5 (TO-220) |
| R10, R11 - 100,000 ohms | Plastic enclosure (PacTec K-HPL) |
| R12 - 150,000 ohms | Hollow metal globe |
| R13 - 360,000 ohms | Aluminum bracket |
| R14 - 470,000 ohms | LED panel bezel mount (2 ea.) |
| R15 - 560 ohms, 1/2 watt | Plastic LED clip mount |
| R16 - 10,000 ohms, panel-mount potentiometer | Knob for potentiometer |
| Capacitors | No. 6-32 x 3/8 inch screw |
| C1 - 0.1 uF, ceramic disc | No. 6-32 x 1.0 inch screw (2 ea.) |
| C2 - 0.22 uF, 50 volts, polyester film | No. 6-32 x 1/4 inch screw (2 ea.) |
| C3 - 330 uF, 25 volts, electrolytic | No. 6 hex nut (2 ea.) |
| Semiconductors | No. 4-male/female, 1/4 inch standoff (4 ea.) |
| IC1 - LM78L09, 9-volt DC regulator (TO-92) | No. 4-40 x 1/4 inch screw (5 ea.) |
| IC2 - LM358N, dual op-amp | No. 4 hex nut (5 ea.) |
| Q1 - 2N2907 (or MPS2907) PNP transistor | |
| Q2, Q3 - 2N3904 (or 2N4401) NPN transistors | |
| Q4 - 2N3906 (or 2N4403) pnp transistor | |
| Q5 - TIPr1A, NPN power transistor | |
| Q6 - IRD500 infrared photo detector (Jameco No. 112168 or equiv.) | |
| D1 - 1N4001 (or 1N4004) silicon diode | |
| LED1 - Red light-emitting diode | |
| IRLED - TLN110 infrared LED (Jameco No. 106425 or equiv.) |
Note - The following items are available from:
LNS Technologies, 20993 Foothill Blvd, Suite 307R, Hayward CA 94541-1511
Phone: 1-(800)-886-7150
Please add $5.00 shipping and handling charges to all orders. California residents add local sales tax. MC/VISA orders accepted. No C.O.D. orders.
Last update August 2, 2006 by Barry Hansen ©1998-2007