Light switching device project (LSD)
Component list
| Component | # | description | comments |
| 74HC164 | 1 | 8-bit serial-in/parallel-out shift register | Standard logic |
| 74HC595 | 1 | 8-bit serial-in, serial or parallel-out shift register with output latches; 3-state | Standard logic |
| 74HC00 | 1 | Quad 2-input NAND gate | Standard logic |
| 74HC14 | 1 | Hex inverting Schmitt trigger | Standard logic |
| Jumper | 5 | address selector jumper | - |
| MOC3041 | 8 | 6-PIN DIP ZERO-CROSS OPTOISOLATORS TRIAC DRIVER OUTPUT (400 VOLT PEAK) | Fairchild, On |
| 2N6073A | 8 | Sensitive Gate Triac (TO126, 4A, 400V) | On, or similar |
| 4A Fuse | 1 | fuse for the mains | - |
| LED | 9 | green LED's | - |
| 330Ohm | 17 | Resistor | - |
| 100nF | 4 | ceramic capacitor | - |
| 100uF | 1 | elko capacitor | - |
| SMBJ6A | 1 | tranzorb 5V protective diode | - |
| 1N4148 | 2 | universal diode | - |
If you want to build it feel free, but you do it at your own risk!
Be sure to hold appropriate isolation distance and use appropriate fusing
On this page you can see an animation that explains the function of the circuit
Here you can find the complete circuit as I build it.
Back to the project page
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