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STD TTL TO RS485
Mode: Editors' pick
- 12
Update time：
2021-04-12 06:00:07
Creation time：
2016-03-30 05:50:06
Description
Projece name:
TTL to rs485 module.
function:
TTL to 485 module, based on RS485 chip can input the TTL level signal is converted into a RS485 signal output.
This is the electronic components before welding and blank PCB diagram
Real figure 1
![enter image description here][1]
Real figure 2
![enter image description here][2]
Real figure 3
![enter image description here][3]
Real figure 4
![enter image description here][4]
[1]: /editor/20160503/572830bfdb8e4.JPG
[2]: /editor/20160503/572830c7a6405.JPG
[3]: /editor/20160503/572830d15d86e.JPG
[4]: /editor/20160503/572830d8d34d1.JPG
Design Drawing
schematic diagram
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1
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）
PCB
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1
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）
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editor.
| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | MAX485ECSA | U1 | SOIC-8 | 1 |
| 2 | 10K | R1 | R0603 | 1 |
| 3 | 2N3904 | Q1 | SOT-23 | 1 |
| 4 | Header 4 | P1 | HDR1X4 | 1 |
| 5 | 120 | R2 | R0603 | 1 |
| 6 | 4.7uf | C1 | C1206 | 1 |
| 7 | 104 | C2 | C0603 | 1 |
| 8 | Header 2 | P2 | HT5.08-2 | 1 |
| 9 | 10k | R3 | R0603 | 1 |
| 10 | 20k | R4,R5 | R0603 | 2 |
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