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| Part | Designation | Description | Source | Source p/n | Price ea | Quantity | Total | ||
| Q1, Q2 | L4004L3 | Triac 4 amp teccor TO-220 iso tab | Jameco | 220450PS | $1.09 | 2 | $2.18 | ||
| OC1, OC2 | MOC3010 | triac trigger-optoisolator | Jameco | 26278 | $0.56 | 2 | $1.12 | ||
| OC3 | H11AA1 | zero cross detector-optoisolator | Jameco | 18825 | $0.51 | 1 | $0.51 | ||
| Xtal 1 | 1Mhz TTL Crystal Oscillator | Jameco | 325462 | $1.35 | 1 | $1.35 | |||
| U1 | 74LS164N | Serial to parallel shift register | Jameco | 301671 | $0.47 | 1 | $0.47 | ||
| U2, U3 | 74LS377N | 8-bit latch | Jameco | 308486 | $0.81 | 2 | $1.62 | ||
| U4, U5 | 74LS682N | 8-bit magnitude comparator | Jameco | 309251 | $1.19 | 2 | $2.38 | ||
| U6 | CD4020 | 14-bit ripple counter | Jameco | 12802 | $0.49 | 1 | $0.49 | ||
| U7 | ISD 2560 | 60 second ChipCorder | Jameco | 120643 | $10.49 | 1 | $10.49 | ||
| U8 | ULN2003 | Darlington Array | Jameco | 34278 | $0.39 | 1 | $0.39 | ||
| U11 | BS2 OEM | Basic Stamp 2, OEM version | Parallax | 27291 | $30.00 | 1 | $30.00 | ||
| K1, K2 | Relays, 5 v coil, 20 a contacts | Jameco | 134949 | $2.49 | 2 | $4.98 | |||
| R1, R2 | 220 ohm resistor, 1/4 watt | Jameco | 30470 | $0.99/100 | $0.99 | ||||
| R3, R4 | 180 ohm resistor, 1/4 watt | Jameco | 59281 | $0.99/100 | $0.99 | ||||
| R5, R6 | 15k resistor, 1/4 watt | Jameco | 30146 | $0.99/100 | $0.99 | ||||
| R7,R10,R11 | 10k resistor, 1/4 watt | Jameco | 29911 | $0.99/100 | $0.99 | ||||
| R8, R9 | 1k resistor, 1/4 watt | Jameco | 29663 | $0.99/100 | $0.99 | ||||
| D1, D2 | led | Jameco | 334377 | $0.10 | 10 (min) | $1.00 | |||
| C1-C6 | 0.1uf, 50 volt capacitor | Jameco | 15270 | $0.15 | 10(min) | $1.50 | |||
| Circuit board, 3 hole pads | All Electronics | ECS-3 | $5.50 | 1 | $5.50 | ||||
| Heat sink for Q1, Q2 | Jameco | 326596PS | $0.25 | 2 | $0.50 | ||||
| 20 pin dip socket (for U2-U5) | Jameco | 38607 | $0.11 | 10 (min) | $1.11 | ||||
| 16 pin dip socket (for U6,U8) | Jameco | 37372 | $0.09 | 10 (min) | $0.90 | ||||
| 28 pin dip socket (for U7) | Jameco | 40301 | $0.18 | 10 (min) | $1.80 | ||||
| 14 pin dip socket (for U1) | Jameco | 37161 | $0.09 | 10 (min) | $0.90 | ||||
| 6 pin dip socket (for OC1-3, xtal) | Jameco | 112192 | $0.09 | 10 (min) | $0.90 | ||||
| $75.04 | |||||||||