Sprinkler Controller 2.3 expansion

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STD Sprinkler Controller 2.3 expansion

Sensor_Module

Power_Module

License: Public Domain

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Update time： 2024-07-12 10:54:56

Creation time： 2024-03-23 16:41:50

Description

Expansion module for Sprinkler controller 2.3 or lower versions. PCB is universal to drive AC or DC latches just by placing proper driving transistor. Board is based on Ray Wang at open sprinkler

Main board available at https://oshwlab.com/jerry.komor/opensprinkler-2-3

More information at http://PCBhut.com/Products/OS_2.3_expander/index.html

Design Drawing

schematic diagram

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OS_2.3 Expansion
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PCB

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PCB_Sprinkler Controller 2.3 expansion
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	0.1u	C1,C2	C0805	2
2	In	CN1	CONN-TH_A2005WV-N-2X5P	1	A2005WV-N-2X5P_C5296010
3	Out	CN2	CONN-TH_A2005WV-N-2X5P	1	A2005WV-N-2X5P_C5296010
4	MOSFET-NREFLOW	Q18	SOT23	1
5	AO3400	Q19	SOT23	1
6	10k	R1,R3,R5,R7,R9,R11,R13,R15,R18,R20,R22,R24,R26,R28,R30,R32,R53,R56	R0805	18
7	1k	R2,R4,R6,R8,R10,R12,R14,R16,R19,R21,R23,R25,R27,R29,R31,R33,R54,R55	R0805	18
8	10K	R17	R0805	1
9	1k6	R34	R0805	1
10	M025MM-X	S1,S2,S3,S4,S5,S6,S7,S8,S14	SCREWTERMINAL-5MM-2-X	9
11	PCB-SGAP	SP1,SP2,SP3,SP4,SP5,SP6,SP7,SP8,SP9,SP10,SP11,SP12,SP13,SP14,SP15,SP16,SP17,SP18	PCB-SGAP	18
12	Z0103MN0	T1,T9	SOT223	2
13	Z0103MN	T2,T3,T4,T5,T6,T7,T8,T10,T11,T12,T13,T14,T15,T16	SOT223	14
14	40CA	TVS1,TVS2,TVS3,TVS4,TVS5,TVS6,TVS7,TVS8,TVS9,TVS10,TVS11,TVS12,TVS13,TVS14,TVS15,TVS16,TVS17,TVS18	SMB_L4.6-W3.5-LS5.3-RD	18
15	74HC595N	U1,U2	SO16	2