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Simple 4-Digit Timer

4 years ago 957
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
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Description

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

Documents

Timer

Timer

BOM

ID Designator Footprint Quantity
1 U1 DIP20 1
2 LED1 4-DIGIT-12-PIN-0.28-INCH 1
3 Q1 HC49S 1
4 C1,C2 C0603 2
5 U2 D-PAK 1
6 U3 PJ-102A 1
7 SW1 ALPS-DPDT-6-PIN 1
8 C3,C4 C0603 2
9 R1,R2,R3,R4,R9,R10 R3 6
10 B1 BEEP-12 1
11 P1 HDR1X4 1
12 R5 R3 1
13 R6 R4 1
14 T1 TO-92V 1
15 R7 R3 1
16 M1 D-PAK 1
17 P2 15EDG-5.08-2P 1
18 R8 R3 1
19 K1,K2 ALPS-BUTTON-6X6-2P 2
20 D1,D2 LED3MM 2
21 D3,D4 DIODE-0.2 2
22 C5 C0603 1
23 R11 R3 1

Attachments

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Members

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