Digital Clock DIY Self Build Kit No Case - Soldering Learning Teaching Project

Product Description

Digital Clock DIY Self Build Kit No Case - Soldering Learning Teaching Project

Features:
AT89C2051-based of four electronic clock kit
Supply voltage: 3V-6V
PCB Size: 52mm * wide 42mm

Function:
1. Seconds correction (for precise School)
2. Switch to every minute independent display interface
3. whole point of time (8-20 o\'clock chime can be turned off)
4. Two alarm settings (you can turn off the alarm function)

Kit Features:
A. 0.56 inch special red digital clock for display
B. Import for master chip
C.1.2mm thick PCB made from military grade FR-4 board
D. accurate travel time, travel time error range error -1 to +1 seconds every 24 hours.

name	specification	Quantity	serial number
0.25w resistance	4.7K	5	R1.R3-R6
Exclusion	4709*	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	66*	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

Link to product assembly tutorial:

https://www.youtube.com/watch?v=3qtpPs4_yps

Please see our other items for a range of DIY soldering projects and other cool stuff!

About Us

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