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STD I2c to rs485 CONVERTER
I2c to rs485 CONVERTER
License
GPL 3.0
License: GPL 3.0Mode:
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Update time：
2019-12-24 19:01:46
Creation time：
2019-12-18 23:01:33
Description
Description
This circuit extent the length of i2c .
it uses the rs-485 for long distange conectivity.
is like i2c over rs485
Design Drawing
Design Drawing
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| ID | Name | Designator | Footprint | Quantity | BOM_Supplier | BOM_Supplier Part | BOM_Manufacturer Part |
|---|---|---|---|---|---|---|---|
| 1 | 171825-4 | U7 | HDR-TH_4P-P2.54-D1.0 | 1 | LCSC | C210162 | 171825-4 |
| 2 | SN74LS02DR | U2 | SOIC-14_L8.7-W3.9-P1.27-LS6.0-BL | 1 | LCSC | C6794 | SN74LS02DR |
| 3 | MAX485CSA+ | U1,U3 | SOIC-8_150MIL | 2 | LCSC | C143494 | MAX485CSA+ |
| 4 | RJ45 | U6 | RJ45 | 1 | Mouser | 530-SS-6488S-A-NF | SS-6488S-A-NF |
| 5 | 120 | R4,R3 | RES-SMD_L3.5-W1.5 | 2 | LCSC | C265170 | MElF-MFR02041/4WS2.21KΩFT50 |
| 6 | 0 | CO2,CO1 | RES-SMD_L3.5-W1.5 | 2 | LCSC | C265170 | MElF-MFR02041/4WS2.21KΩFT50 |
| 7 | 2.21K | R5,R6 | RES-SMD_L3.5-W1.5 | 2 | LCSC | C265170 | MElF-MFR02041/4WS2.21KΩFT50 |
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