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Std edition Alexa home automation

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License: CERN Open Hardware License

Published Time: 2021-06-06 04:03:19
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Description

This PCB is designed for a home automation system using Alexa & Esp8266 microcontroller. This project is mainly used to control the electronic appliances from anywhere using the internet, Project based on IoT(Internet of Things). Also, Can control four electronic devices or appliances.

design drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 220 R1,R5,R3,R7,R9,R6,R8,R2,R4 AXIAL-0.4 9
2 100u C1,C2 CAP-D6.3XF2.5 2
3 NodeMCU U2 NODEMCU 1
4 HFKW/012-1ZW(136) RELAY2,RELAY4,RELAY3,RELAY1 RELAY-HF_24 4
5 PC817 U5,U9,U7,U3 DIP-4_W7.62MM 4
6 POWER_JACKPTH_BREAD JP1 POWER_JACK_PTH_BREAD 1
7 L7805ABV U1 TO-220(TO-220-3) 1
8 5AR2ST10 LED1,LED2,LED4,LED3 LED-TH_BD5.8-P2.54-FD 4
9 204-10SURD/S530-A3 LED5 LED-3MM/2.54 1
10 2N3904 Q2,Q4,Q3,Q1 TO-92(TO-92-3) 4
11 Header-Male-2.54_1x4 H1 210S-1X4P 1
12 SWITCH S1 HDR1X3 1
13 1N4007RLG D2,D4,D3,D1 DO-41_BD2.4-L4.7-P8.70-D0.9-RD 4
14 DB128R-5.0-3P U10,U4,U8 CONN-TH_DB128R-5.0-3P 3
15 SCREW TERMINAL NO2 SCREW TERMINAL BLOCK 3 PIN [PCB LIB] 1

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