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STD Atlas Boards
License: GPL 3.0
Mode: Editors' pick
- 1
Update time：
2021-01-08 03:15:54
Creation time：
2018-03-21 18:57:57
Description
Atlas scientific makes a number of water quality testers that all use the same design of circuit board. The purpose of this board is to connect all of the sensors to their appropriate boards and also mantain voltage isolation to protect the electronics.
Design Drawing
schematic diagram
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Isolation1
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Isolation2
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Isolation3
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NonIsolated
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Isolation4
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Hat
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | BNC | U1,U6,U11,U16,U17 | PIN_HEADER_STRAIGHT_1X03_PITCH1.27MM | 5 |
| 2 | LD2981ABU50TR | U2,U7,U12,U18 | SOT89 | 4 |
| 3 | R1SE-0505 | U3,U8,U13,U20 | R1SE | 4 |
| 4 | 1u | C1 | 1206 | 1 |
| 5 | 2.2u | C2,C7,C12,C17 | 1206 | 4 |
| 6 | 1u | C3,C4,C6,C8,C9,C11,C13,C14,C16,C18,C19 | 0805 | 11 |
| 7 | SI8600 | U5,U10,U15,U22 | SOIC-8 | 4 |
| 8 | 4.7k | R1,R2,R3,R4,R5,R6,R7,R8,R9,R10 | 0805 | 10 |
| 9 | 0.1u | C5,C10,C15,C20 | 1206 | 4 |
| 10 | Atlas Scientific EZO | U23,U4,U9,U14,U19 | EZO FOOTPRINT | 5 |
| 11 | Raspberry_Pi_2_3 | J1 | 2X20 | 1 |
| 12 | 470u | C21 | 2917 TANT CAP | 1 |
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