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4 bit digital electronic clock chip DIY

Name: 4 bit digital electronic clock chip DIY
Brand: ArduShop
SKU: JOMYFT_clock_kit
Price: 16.19 RON
Availability: OutOfStock

Reference JOMYFT_clock_kit

lei16.19

Tax included

Quantity

Out-of-Stock

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Description
Product Details

Description

Features

Special red digital clock for display;
AT89C2051 master chip;
1.2mm thick PCB made from FR-4 board;
time error range -1 to +1 seconds every 24 hours.

Supply with 5V

Functions

Second corrections
Iterface: hours/minutes or minutes/seconds
ON/OFF alarm sound
Two alarm settings (you can turn off the alarm function)

Components

Name	Specification	Quantity	Identifier
0.25w resistance	4.7K	5	R1.R3-R6
Exclusion	470*9	1	R2
electrolytic capacitor	10uf	1	C1
	100UF	1	C4
ceramic capacitor	30p	2	C2, C3
	104	1	C5
diode	IN4007	2	D1, D2
Nixie tube	0.4"	1	DS1
crystal oscillator	12HMz	1	T1
key switch	6*6	2	S1, S2
audion	8550	1	Q1
singlechip	AT89C2051	1	V1
socket	DIP20	1
buzzer	5V	1	V2
terminal	KF126-2P	1	J1
circuit board		1

Schematic diagram

QIUx1lcdR6FLLypp0rhhsVeIUZoVTHkKcpt0NvsQ

You can find in "Download" section the instructions manual. Regarding to assembly, you have footprints of components on PCB.

Product Details

Reference JOMYFT_clock_kit

EAN13 6427854014085

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4 bit digital electronic clock chip DIY

Features

Functions

Components

Schematic diagram

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