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Update time：
2023-02-21 12:36:08
Creation time：
2020-11-16 21:12:51
Description
Description
**Problem:** You have a brand new microcontroller board and now you want to use it to toggle on and off some power there and there.
This is a general purpose board which can mount two power mosfet for the general use.
Design Drawing
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | HDR-F-2.54_1x6 | H2 | HDR-F-2.54_1X6 | 1 |
| 2 | HDR-F-2.54_1x2 | H8,H7,H6,H5,H3,H1 | HDR-F-2.54_1X2 | 6 |
| 3 | 16MHZ | X1 | HC-49S_L11.0-W4.6-P4.88 | 1 |
| 4 | STP200N3LL | U3,U4 | TO-220-3_L10.0-W4.5-P2.54-L | 2 |
| 5 | LM2596 | U1 | LM2596_DC-DC_CONVERTER | 1 |
| 6 | SPI/ICSP | J1 | SMTC-ESQ-103-12-X-D-LL | 1 |
| 7 | 0.1u | C5,C1,C4 | C0603 | 3 |
| 8 | 12pF | C2,C3 | C0603 | 2 |
| 9 | 10k | R1,R2,R3 | R0603 | 3 |
| 10 | 10000 | POT2,POT1 | PTV09_2 | 2 |
| 11 | HDR-F-2.54_1x4 | H4 | HDR-F-2.54_1X4 | 1 |
| 12 | ATMEGA328P-AU | U2 | TQFP-32_L7.0-W7.0-P0.80-LS9.0-BL | 1 |
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