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Simple 4-Digit Timer

4 years ago 837
  • Description
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  • BOM
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Description

Simple 4-Digit Timer with STC11F04, a Tiny 20-Pin 8051 Based MCU

Documents

Timer

Timer

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted nameAlias
1 STC11FXX-P20 U1 DIP20 1
2 7-SEGMENT-4DIGIT LED1 4-DIGIT-12-PIN-0.28-INCH 1
3 XTALfast Q1 HC49S 1 Model
4 22p C1,C2 C0603 2 Value(F)
5 MC78M05CDT U2 D-PAK 1
6 2.1MMJACKTHM U3 PJ-102A 1
7 SWITCH_DPDT SW1 ALPS-DPDT-6-PIN 1
8 1u C3,C4 C0603 2 Value(F)
9 680 R1,R2,R3,R4,R9,R10 R3 6 Value(Ω)
10 BEEP B1 BEEP-12 1
11 SIP4 P1 HDR1X4 1
12 100 R5 R3 1 Value(Ω)
13 10K R6 R4 1 Value(Ω)
14 S8050 T1 TO-92V 1
15 100K R7 R3 1 Value(Ω)
16 PMOS_D M1 D-PAK 1 Model
17 SIP2 P2 15EDG-5.08-2P 1
18 0 R8 R3 1 Value(Ω)
19 Button K1,K2 ALPS-BUTTON-6X6-2P 2 Model
20 LED D1,D2 LED3MM 2 Model
21 1N4001 D3,D4 DIODE-0.2 2 Model
22 10u C5 C0603 1 Value(F)
23 4.7K R11 R3 1 Value(Ω)

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