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Aug 30,2022

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Mini kitchen timer

Mini kitchen timer based on AT89C2051 mcu

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Published: Aug 30,2022

Standard PCB

Download Gerber file 13

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DIY Electronics

DIY USB LED 5th PCB Design Contest-Free Theme

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	AT89C2051 Atmel	x 1
	7 segment 2 digit common anode 0'36 display	x 2
	BC328	x 4
	DIL20 socket	x 1
	Active piezo buzzer 5v	x 1
	1,8K resistor 0,25W	x 4
	220R resistor 0,25W	x 8
	12Mhz crystal	x 1
	22pF ceramic capacitor	x 2
	100nF ceramic capacitor	x 2
	47uF electrolytic capacitor 5x7mm	x 1
	5,6V zener diode	x 1
	SK12D07 switch	x 1
	Tact switch 6x6mm	x 3
	MICRO usb XNJ ZB SHOU HAN	x 1

AT89C2051

7 segment 2 digit common anode 0'36 display

BC328

DIL20 socket

Active piezo buzzer 5v

1,8K resistor 0,25W

220R resistor 0,25W

12Mhz crystal

22pF ceramic capacitor

100nF ceramic capacitor

47uF electrolytic capacitor 5x7mm

5,6V zener diode

SK12D07 switch

Tact switch 6x6mm

MICRO usb XNJ ZB

Mini kitchen timer

Mini kitchen timer

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