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ESP32 control LED12V and monitor temperatures and humidity readings (for home assiatant or other programs)

1 year ago 260
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Description

I will have this PCB working with home assistant.(you can make it running using other soft: Nodered/ Arduino IDE/ micropython...what you wish)

I have made some modifications to get 2 more temperatures readings from 18B20 waterproof sensors + DHT22 (temperature/humidity)

This PCB is working with home assistant to get temperatures, humidity, state of relays and activate relays to turn on 12V leds in my case through WIFI connection.

In summary: Home assistant is running in a raspberry pi4B, connected to my Wifi network.

This PCB is connected to my wifi network using the ESP32 on this board. (ESP32 should have in theory a greater wifi range compared to the standard ESP8266)

I can access home assistant using my phone connected to the same wifi network to get informations (relay states/ temperatures/ humidity) and send actions (turn on off the 12V bulbs)

Documents

Sheet_1

Sheet_2

PCB_2020-05-31_20-45-28

BOM

ID Name Designator Footprint Quantity
1 1.2KΩ R4 1206 1
2 300Ω R6 1206 1
3 4.7K R5 R1206 1
4 20mm_PCB_Fuse_Holder F1 20X5MM_FUSE_HOLDER_22MM_CENTRES 1
5 ESP WROOM 32 U4 ESP32 1
6 7805 U5 TO-220-3_L10.0-W4.5-P2.54-L 1
7 TERMINAL_BLOCK_1X2_P5.08 CN2,CN1,CN5,CN4,CN3 TERMINAL_BLOCK_1X2_P5.08MM 5
8 HSMG-C150 LED1,LED7,LED4,LED5 LED1206-R-RD 4
9 100nF C3,C4 1206 2
10 Header-Male-2.54_1x3 H1,H2 HDR-TH_3P-P2.54-V 2
11 1206 10K R3 RESC3216X71N 1
12 100nF C1 C0805 1
13 0.33uF C2 C0805 1
14 PHOENIX J1 PHOENIX PKG 1
15 10K R7,R8,R9,R10 R1206 4
16 200Ω R1,R2 1206 2
17 74HC14 U6 DIL14 1
18 AQZ102 U1,U2 RELAY-TH_AQZ102 2
19 DHT22 U3 DHT22_AM2303_VERT 1

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