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STD RoWaterController

License: MIT

Mode: Editors' pick

Cloned from RodiController

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Update time: 2022-02-22 08:40:39
Creation time: 2020-01-05 02:45:03
Description
# RO Water Controller # Abstract This is an ATtiny85 electric valve controller for RO Water System. # Functionality * power supply stabilization from 12V to 5V * power On/Off indicator * two water level sensors: * one for the desired max level of RO water * one as a backup sensor if the main one fails * three types of water level sensors supported for each sensor * float switch type * IR - infra red [`(FS-IR02)`](https://www.google.com/search?q=FS-IR02) * contact less [`(XKC.Y25.NPN)`](https://www.google.com/search?q=XKC.Y25.NPN) * two types of output * 12V on/off for low voltage valve types * 220V (live and neutral) on/off for high voltage valve types * alarm when the backup sensor is sensing liquid * alarm LED * alarm buzzer
Design Drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 KF301 ACL,ACO KF301 2
2 FC-2012HRK-620D ALARM LED0805-FD 1
3 ATtiny85-20PU ATTINY85 DIP8 1
4 TMB12A05 BUZZER B-12*7.5 1
5 10uF C11,C13,C24,C26 CAP-TH_BD4.0-P1.50-D0.8-FD 4
6 100nF C12,C14,C23,C25 CAP-TH_L5.1-W3.2-P5.08-D1.2 4
7 10nF C15,C22,C101 0805 3
8 100nF C16,C21,C71,C81,C102 0805 5
9 10uF C41,C42,C43,C44,C45,C46,C51,C52,C53,C54,C55,C56,C103 0603 13
10 SS14 D1 SMA(DO-214AC) 1
11 DC-022B-2.0 DC1 DC-IN-TH_DC-022B-2.0 1
12 DB125-3.81-2P DCIN,H_FLOATSW,NORM3 CONN-TH_2PIN-V-PITCH3.81-L_JL15EDGVC-38102G01 3
13 G3MB-202P G3MB-202P_1,G3MB-202P_2 G3MB-202P_ 2
14 XH2.54-4P HIGH1,HIGH2,NORM1,NORM2 XH2.54-4P 4
15 0.12 JH,JN,JSSR1,JSSR2,JVALVE 0603 5
16 19-217/GHC-YR1S2/3T PWR,SSR1_ON,SSR2_ON LED0603-R-RD 3
17 S8050_C2146 Q1,Q3,Q4 SOT-23-3_L3.0-W1.7-P0.95-LS2.9-BR 3
18 IRF540N Q2 TO-220-3_L10.0-W4.5-P2.54-L 1
19 910 R21,R73,R83,R91 R0603 4
20 10K R41,R44,R51,R54,R61,R71,R72,R81,R82 0603 9
21 470 R42,R52 0603 2
22 4.7K R43,R53 0603 2
23 1K R62 0603 1
24 LM7805EE U2 TO-220 1
25 valve VALVE CONN-TH_2PIN-V-PITCH3.81-L_JL15EDGVC-38102G01 1

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