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Std EditionPCF8574 Breakout

Profile:adapter board for controlling 8 channel relays through I2C

License: BSD

Published Time:2021-07-25 04:51:03
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Description

A little breakout board to attach to 8 ways relais typically found on AliExpress (5V DC Relay 8 Channel) to be able to control through I2C. Multiple boards can be daisy changed (tested with 2).

This is used toghether with my other project

Documents

PCB_2021-07-25_00-48-27

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PCB_Panelized

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ID Name Designator Footprint Quantity
1 0.1u C1 C0603 1
2 OUT CN1 CONN-TH_B4B-XH-A (LF)(SN) 1
3 MCU H1 HDR-TH_5P-P2.54-V-F 1
4 I/O J1 HDR-TH_10P-P2.54-V-F 1
5 I/O J2 PHOENIX_1990083 1
6 Ground P1 HDR-TH_8P-P2.54-V 1
7 10k R1,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11 R0603 11
8 A0 SJ1 SJ_2W 1
9 A1 SJ2 SJ_2W 1
10 A2 SJ3 SJ_2W 1
11 PCF8574T/3,518 U1 SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL 1

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