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3.Supports simple circuit simulation
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STD PWM Dimmer
Mode: Editors' pick
- 1
Update time：
2021-04-11 21:07:39
Creation time：
2015-09-19 02:59:36
Description
Project I have been testing for a PWM dimmer with 555 low power IC with optional PWM input for RPi/Arduino. The PWM input wont activate until power is shut off via the Pot Switch.
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | TLC555CP | U1 | DIP08 | 1 |
| 2 | ????? | Q2 - PNP | TO92 | 1 |
| 3 | LM7805 | U2 | TO220 | 1 |
| 4 | 1N4148 | D1,D2 | DO35-7 | 2 |
| 5 | 0.1uF | C1,C3 | C1 | 2 |
| 6 | 0.01uF | C2 | C1 | 1 |
| 7 | 1k | R3 | R3 | 1 |
| 8 | IRL3803 | M2 | NONE | 1 |
| 9 | LED | D3,D4,D5 | LED3MM | 3 |
| 10 | 27ohm | R4 | R3 | 1 |
| 11 | 220ohm | R5 | R3 | 1 |
| 12 | SIP1 | P1,P2 | HDR1X1 | 2 |
| 13 | 47k | R1 | R3 | 1 |
| 14 | 0.33uF | C4 | C1 | 1 |
| 15 | 20a FUSE | F1 | NONE | 1 |
| 16 | POT W/SW | R6 -50K | 0603-ARV | 1 |
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