TTL TO RS485

5 years ago

Open source license:

  • 2.9k
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  • 9

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 Real figure 2 enter image description here Real figure 3 enter image description here Real figure 4 enter image description here

Documents

max485_sch

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BOM

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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