MiOYOOW 7 Strings Lyre Harp Electronic Soldering Practice Kit
by WHDTS Store in Circuits > Electronics
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MiOYOOW 7 Strings Lyre Harp Electronic Soldering Practice Kit
![MiOYOOW 7 String Lyre Harp DIY Soldering Practice Kit](/proxy/?url=https://content.instructables.com/F13/KXF9/LF02YN3K/F13KXF9LF02YN3K.jpg&filename=MiOYOOW 7 String Lyre Harp DIY Soldering Practice Kit)
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![IMG_1642.JPG](/proxy/?url=https://content.instructables.com/FHS/VHN8/LEE9DYS6/FHSVHN8LEE9DYS6.jpg&filename=IMG_1642.JPG)
This Laser Electronic Piano Soldering DIY Kit adopts the principle of laser emission and reception, and simulates strings to control and change music through laser simulation. The speaker emits the corresponding scale when the laser is blocked, which is very suitable for fun teaching and entertainment.
More Features:
1>. Seven Musical Scale. It can simulate 7 scales do,re,mi,fa,sol,la,si.
2>. Three tones. It can switch select Treble, Alto and Bass by right button.
3>. Strum/Play Mode. Users can play music according to the music score at Strum Mode or play the built-in music at Play Mode. Switch mode by left button and there are two built-in music.
4>. Scale LED Indicator.the corresponding LED indicator will indicate when playing to change the scale, which is used to further show the scale to the user.
Install 10pcs 1Kohm & 8pcs 10Kohm Metal Film Resistors
![图片1.png](/proxy/?url=https://content.instructables.com/FCG/7HN5/LEFORVX5/FCG7HN5LEFORVX5.png&filename=图片1.png)
Please be patient until the installation is complete.
Install 1pcs 510Kohm Metal Film Resistors & 12MHz Crystal Oscillator
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Install 1pcs DIP-40 IC Socket
![图片3.png](/proxy/?url=https://content.instructables.com/F3W/5KV6/LEFORWM0/F3W5KV6LEFORWM0.png&filename=图片3.png)
Identify the Positive and Negative Lead of LED
![图片4.png](/proxy/?url=https://content.instructables.com/FP6/VRTS/LEFORWZ3/FP6VRTSLEFORWZ3.png&filename=图片4.png)
Install 10pcs 3mm Blue LEDs
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Install 7pcs GL5528 Photoresistor
![图片6.png](/proxy/?url=https://content.instructables.com/FAZ/G2CN/LEFORXD5/FAZG2CNLEFORXD5.png&filename=图片6.png)
Install 2pcs 22pF Ceramic Capacitor & 1pcs TO-92 S8550 Transistor
![图片7.png](/proxy/?url=https://content.instructables.com/FFK/5X0F/LEFORXJX/FFK5X0FLEFORXJX.png&filename=图片7.png)
Install 1pcs 10uF Electrolytic Capacitor & 1pcs DC-005 Power Socket
![图片8.png](/proxy/?url=https://content.instructables.com/FMM/2YT2/LEFORXRR/FMM2YT2LEFORXRR.png&filename=图片8.png)
Install 1pcs Self-locking Switch
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Install 2pcs Black Button
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Install 1pcs Red Self-locking Switch Cap
![图片11.png](/proxy/?url=https://content.instructables.com/FVB/M94B/LEFORY8I/FVBM94BLEFORY8I.png&filename=图片11.png)
Install 1pcs DIP-40 IC STC89C52RC
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Cut Heat Shrink Tubing 7pcs About 1cm for Each One & Fix on Photoresistor
![图片13.png](/proxy/?url=https://content.instructables.com/FJE/26DN/LEFORYOO/FJE26DNLEFORYOO.png&filename=图片13.png)
Connect 1pcs 8ohm 0.5W Speaker to PCB
![图片14.png](/proxy/?url=https://content.instructables.com/FXI/W1XL/LEFORZ33/FXIW1XLLEFORZ33.png&filename=图片14.png)
Stick the Speakers on the Back of the PCB by Double-sided Tape
![图片15.png](/proxy/?url=https://content.instructables.com/F98/SNOF/LEFORZBT/F98SNOFLEFORZBT.png&filename=图片15.png)
Cut the Excess Wire From 5mW Laser Transmitter and Keep 10mm Wire
![图片16.png](/proxy/?url=https://content.instructables.com/FK6/JKUI/LEFORZMB/FK6JKUILEFORZMB.png&filename=图片16.png)
Fix 7pcs 5mW Laser Transmitter
![图片17.png](/proxy/?url=https://content.instructables.com/FDU/L14V/LEFOS00B/FDUL14VLEFOS00B.png&filename=图片17.png)
Connect Two PCB by 15cm Red/Black Wires
![图片18.png](/proxy/?url=https://content.instructables.com/FS9/O36Y/LEFOS07T/FS9O36YLEFOS07T.png&filename=图片18.png)
Tear Off the Protective Film on the Surface of the Acrylic Board
![图片19.png](/proxy/?url=https://content.instructables.com/F0D/1T86/LEFOS0M4/F0D1T86LEFOS0M4.png&filename=图片19.png)
Fix 5pcs M3*6+6mm Copper Column Screw on One Arcylic Board by 5pcs M3*5mm Screw
![图片20.png](/proxy/?url=https://content.instructables.com/F6X/OU3K/LEFOS10O/F6XOU3KLEFOS10O.png&filename=图片20.png)
Fix Two PCB by 5pcs M3*10mm Copper Column
![图片21.png](/proxy/?url=https://content.instructables.com/FIN/0BGP/LEFOS1Z8/FIN0BGPLEFOS1Z8.png&filename=图片21.png)
Fix Another Acrylic Board by 5pcs M3*5mm Screw
![图片22.png](/proxy/?url=https://content.instructables.com/FPL/XEBN/LEFOS2I0/FPLXEBNLEFOS2I0.png&filename=图片22.png)