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STD Clock - Homemade Computer copy
License: MIT
Mode: Editors' pick
Cloned from Clock - Homemade Computer
- 0
Update time：
2020-04-02 02:16:53
Creation time：
2019-10-21 03:20:30
Description
This is a variable speed CLK, inspired by Ben Eater.
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | SN74LS08N AND | U9A | DIP14 | 1 |
| 2 | SN74LS04N Inverter | U8A | DIP14 | 1 |
| 3 | SW_SPDT | SW1 | SW3-2.5-11.6X4.0X5.4+2.0MM | 1 |
| 4 | SN74LS32N OR | U7A | DIP14 | 1 |
| 5 | NE555P | U1,U3,U6 | DIP-8 | 3 |
| 6 | button6*6*8 | MANUAL_CLK1 | KEY-6.0*6.0-2 | 1 |
| 7 | 1uF | C1,C6 | C0805 | 2 |
| 8 | 10pF | C3,C5,C2 | C0805 | 3 |
| 9 | 10uF | C7 | C0805 | 1 |
| 10 | 1M | R2 | RES-ADJ_3296W | 1 |
| 11 | 1k | R8,R7,R3,R14 | 0805 | 4 |
| 12 | 10k | R13 | 0805 | 1 |
| 13 | 1k | R1 | 1/8W RESISTOR | 1 |
| 14 | Header-Male-2.54_1x20 | J1 | HDR-TH_20PIN-V-MALE-PITCH2.54 | 1 |
| 15 | CLK | CLK_OUT1 | LED1206-R-RD | 1 |
| 16 | BTN | BTN_LED1 | LED1206-R-RD | 1 |
| 17 | 555 | 555_LED | LED1206-R-RD | 1 |
| 18 | 220 | R6 | 1/8W RESISTOR | 1 |
| 19 | 220 | R12,R11 | 0805 | 2 |
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