GeekLJT dzq-1a-0007 Electronic Piano Soldering Kit Instruction Manual
- June 17, 2024
- GeekLJT
Table of Contents
Introduction
Electronic Piano Soldering Kit
- Built-in 6 music
- LED display
- USB support
- Simple and cute small
- 8 Silent keys
Product parameters
| parameter | value |
|---|---|
| Name | Electronic Piano Soldering Kit |
| Size(installed) | 100mm45mm23mm |
| Power Supply | USB |
| Work Voltage | DC4.5-5.5V |
| Work Temperature | -30℃~80℃ |
Function Demo
S0 – Switching key
S1~S9 – Play key
-
Light Control
– Press and hold s2, then press S4, open the light control mode -
Music Playback
– Press and hold s2, then press S5 to turn on music playback mode -
Tone Remaster
– Press and hold s2, then press S6 to restore the tone to its initial state -
Tone Adjustment
– Press and hold s2, then press S7/S8 to tone down/up by 8 degrees
Application
Component Listing
Component Listing
| No | Name | PCB Marker | Quantity |
|---|---|---|---|
| 1 | PCB Board | 1 | |
| 2 | STC Chip | U1 | 1 |
| 3 | 74HC595 Chip | U200 | 1 |
| 4 | Digital Tube Display | LED1 | 1 |
| 5 | Buzzer | BUZ1 | 1 |
| 6 | Button | KEY1-KEY4 | 4 |
| 7 | Button Cap | 4 | |
| 8 | Self-locking Switch | SW9 | 1 |
| 10 | Switch Cap | 1 | |
| 11 | 5mm Two-color LED | 1 | |
| 12 | USB Socket | USB1 | 1 |
| 13 | Terminal Block | 1 |
Schematic Diagram
Installation Tips
- Before installation, users need to prepare the welding tools in advance.
- The installation process requires enough care and patience.
- Be sure to read through the installation instructions before starting the installation.
- Welding sequence: components from high to low
- In order not to damage the components, the soldering iron should not touch the components for too long.
- Pay attention to the positive and negative markings on the pcb, long pin of the component is positive.
- Ensure that similar components with different parameters are placed in the correct position on the pcb.
- Wearing anti-static gloves or anti-static wristbands is better.
- Ensure that components are not accessible to children.
Installation Steps
Step1: Install USB Socket
Tips: 1.Solder only the 2
pins on the side
Step2: Install STC Chip 
Marks:
STC Chip : U1
Tips: 1.The chip’s notch corresponds to the silk-screened area circled on the
PCB board.
Step3: Install Metal Film Resistors
Marks:
1pcs 10Kohm : R8
8pcs 7Kohm :R0-R7
Step4: Install Crystal oscillator at X1: 
Marks: X1
Step5: Install 2pcs Ceramic Capacitors
Marks: C1,C2
Step6: Install Photoresistors
Marks: R9
Step7: Install Terminal block
Tips: 1.The
pins are facing outward
Step8: Install 8pcs LEDs
Step9: Install
Buzzer
Marks:BUZ1
Tips: 1.+ corresponding + on the PCB board
Step10: Install Self-locking switch
Tips:
1.Installation direction is arbitrary, just decide whether to press or pop up
to turn on
Step11: Install 8pcs Buttons at 1-8 Step12: Fix Acrylic shell
Step12: Fix Acrylic shell
Step12: Fix Acrylic
shell
Tips: 1
Please tear the protective film on the shell
Step12: Fix Acrylic shell 
Congratulations!
Documents / Resources
|
GeekLJT dzq-1a-0007 Electronic Piano Soldering
Kit
[pdf] Instruction Manual
dzq-1a-0007 Electronic Piano Soldering Kit, dzq-1a-0007, Electronic Piano
Soldering Kit, Piano Soldering Kit, Soldering Kit
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