RS485

Schematics

rs485 schematics

PCB

rs485 pcb top rs485 pcb bottom

Bill of materials

Name

Description

Number

Reichelt name / Remark

IC1

RS485 transreceiver SN65HVD888 5V SO-8

1

SN65HVD888D

D1

SMD high speed shottly diode BAS70 STO23

1

BAS70

C1

MLCC capacitor 100n 50V 100n G0805

1

KEM X7R0805 100N

C2

MLCC capacitor 1u 25V 100n G0805

1

X7R-G0805 1,0/25

R1, R2
R7, R8

SMD resistor 10k 1/8W 0805

4

WAL WR08X1002FTL

R3, R4

SMD resistor 3.3k 1/8W 0805

2

WAL WR08X3301FTL

R5, R6

SMD resistor 47k 1/8W 0805

2

WAL WR08X4702FTL

R9, R10

SMD resistor 560 1/4W 1206

2

WAL WR12X5600FTL

R11

SMD resistor 120 1/4W 1206

1

WAL WR12X1200FTL

LED_TX
LED_RX

LED red 3mm 60° 150 mcd 20mA

2

3004R1D-EHB-A

EXT

pin headers 10-pin angled RM 2.54

2

W+P 946-14-010

EXT

Dupont cable female 10-pin RM 2.54 15cm

1

buy one from ebay or alixpress

J1, J2

RJ-45 jack 8 pin

2

MEBP 8-8S

X1, X2

screw terminal 3-pole RM 5.0

2

CTB0102-3