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Update time：
2023-11-03 18:55:40
Creation time：
2021-09-28 02:29:34
Description
Description
Based on http://www.technoblogy.com/show?25C4=
http://www.technoblogy.com/show?20B4
Different PCB layout
Design Drawing
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 0.1u | C1 | C0603 | 1 |
| 2 | 12pf | C2,C3 | C0603 | 2 |
| 3 | LMBR0520ET1G | D1,D2 | SOD-323_L1.9-W1.3-LS2.6-RD | 2 |
| 4 | Green | LED1 | LED-TH_BD4.1-P2.00-D0.6-RD_GREEN | 1 |
| 5 | Red | LED2 | LED-TH_BD5.4-P2.54-FD_RED | 1 |
| 6 | Orange | LED3 | LED-3MM/2.54 ORANGE | 1 |
| 7 | K2-3.6×6.1_SMD | ON | KEY-SMD_2P-L6.2-W3.6-LS8.0 | 1 |
| 8 | 220 | R1 | R0603 | 1 |
| 9 | 24k | R2 | R0603 | 1 |
| 10 | 6k8 | R3 | R0603 | 1 |
| 11 | 47kw | R4,R4A | R0603 | 2 |
| 12 | 4k7 | R5,R6 | R0603 | 2 |
| 13 | 1k | R7,R8,R9 | R0603 | 3 |
| 14 | ATTINY84A-SSFR | U1 | SOIC-14_L8.7-W3.9-P1.27-LS6.0-BL | 1 |
| 15 | 12MHz | X1 | CRYSTAL-SMD_L3.2-W1.5-1 | 1 |
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