555 timer circuits

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STD 555 timer circuits

License: MIT

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Update time： 2022-11-17 16:17:30

Creation time： 2022-10-24 13:31:05

Description

555 snap

Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	1u	C1	CAP-D3.0×F1.5	1
2	10u	C2	CAP-D5.0×F2.0	1
3	22u	C3	CAP-D5.0×F2.0	1
4	47u	C4	CAP-D5.0×F2.0	1
5	100u	C5	CAP-D5.0×F2.0	1
6	220u	C6	CAP-D5.0×F2.0	1
7	1u	C7,C8	RAD-0.2	2
8	10nF	C9	RAD-0.1	1
9	1nF	C11	RAD-0.1	1
10	DC005-2.0MM	DC1	DC-IN-TH_DC005	1
11	h	H2,H3,H4,H5,H6	HDR-F-2.54_1X3	5
12	HDR-F-2.54_1x3	H7,H8,H9,H10,H11,H12,H13,H14,H15,H16,H17,H18,H19,H20,H21,H22,H23,H24,H25,H26,H27,H28,H29,H30,H31,H32,H33,H34,H35,H48,H49,H50,H51,H52,H53,H91,H92,H93,H94,H95,H96,H97,H98,H99,H100,H101,H102,H103,H104,H105,H106	HDR-F-2.54_1X3	51
13	HDR-F-2.54_1x2	H38,H39,H40,H44,H45,H46,H54,H55,H56,H63,H64,H65,H66,H67,H68,H69,H70,H71,H75,H77,H79,H81,H83,H85,H87,H89,H111,H112	HDR-F-2.54_1X2	28
14	HDR-F-2.54_1x9	H107,H108	HDR-F-2.54_1X9	2
15	HDR-M-2.54_1x1	J1,J2,J3,J4,J5,J6,J7,J8,J9,J10,J11,J12,J13,J14,J15,J16,J17,J18	HDR-M-2.54_1X1	18
16	button668.5	KEY2,KEY3,KEY4,KEY8	KEY-TH_4P-L6.0-W6.0-P4.50	4
17	LED-TH-3mm_G	LED1,LED2	LED-TH_BD3.0_GREEN	2
18	LED-TH-3mm_R	LED3	LED-TH_BD3.0_RED	1
19	LED-TH-3mm_B	LED4	LED-TH_BD3.0_BLUE	1
20	BC547	Q1	TO-92-3_L4.8-W3.7-P1.27-L	1
21	BC557	Q3	TO-92-3_L4.9-W3.7-P1.27-R	1
22	22k	R1,R10	R_AXIAL-0.4	2
23	2.2k	R2,R15	R_AXIAL-0.4	2
24	10k	R3,R4,R6,R7	R_AXIAL-0.4	4
25	1k	R5,R8,R9,R16,R17,R18,R21	R_AXIAL-0.4	7
26	220	R11,R13,R14	R_AXIAL-0.4	3
27	220k	R12	R_AXIAL-0.4	1
28	100k	R19,R20	R_AXIAL-0.4	2
29	BUZZERPTH	SG1	BUZZER-12MM	1
30	SLIDE SWITCH 13MM SPDT	SW1	SLIDE SWITCH 13MM SPDT [PCB]	1
31	NE555P	U1,U2	DIP-8_L9.8-W6.6-P2.54-LS7.6-BL	2
32	speaker me	U4	SPEAKER ME	1
33	Variable resistor	VR1,VR2	VARIABLE RESISTOR	2