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STD Selectable Voltage Breadboard Power Supply (3.3V, 5.0V, 9.0V, & 12.0V)
License: Public Domain
Mode: Editors' pick
- 0
Update time：
2019-01-24 00:53:05
Creation time：
2018-11-20 02:40:29
Description
A circuit that will allow attachment to a standard bread board and allow for selectable power for both sides of the bread board.
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity | Mounted | |
|---|---|---|---|---|---|---|
| 1 | LM317T | U1 | TO-220(TO-220-3) | 1 | Yes | C94823 |
| 2 | 0.1uF | C1 | RAD-0.3 | 1 | Yes | |
| 3 | 1uF | C2 | RAD-0.3 | 1 | Yes | |
| 4 | 720 | R4 | AXIAL-0.3 | 1 | Yes | |
| 5 | 328 | R3 | AXIAL-0.3 | 1 | Yes | |
| 6 | 392 | R2 | AXIAL-0.3 | 1 | Yes | |
| 7 | 240 | R1 | AXIAL-0.3 | 1 | Yes | |
| 8 | 5mm(If-20mA, Vf 3.0V) | LED1 | LED-3MM/2.54 | 1 | Yes | C99772 |
| 9 | 510 | R5,R6 | AXIAL-0.3 | 2 | Yes | |
| 10 | SWITCH-SPST | S1 | SWITCH-SPDT-SMD | 1 | Yes | |
| 11 | NO | TP2,TP1,TP3,TP4,TP5,TP6,TP7,TP8,TP9,TP10,TP11,TP12 | TP_4545 | 12 | Yes | |
| 12 | 3mm(If-20mA, Vf 3.0V) | LED2 | LED-3MM/2.54 | 1 | Yes | C99772 |
| 13 | Fixed 3.3V-T92 | U2 | TO-92(TO-92-3) | 1 | Yes | C87309 |
| 14 | 0.33uF | C3 | RAD-0.1 | 1 | Yes | |
| 15 | 0.1uF | C4 | RAD-0.1 | 1 | Yes |
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