Free Essay

Electronic Piano

In: Computers and Technology

Submitted By obichristian
Words 636
Pages 3
Objective:
The objective of this report is to go over the construction of the electronic piano, tools and materials.
Introduction:
This is a simple toy piano using a 555 timer IC and a few basic components to create tones that that is sound thru the speaker. An electronic piano consist of several electric components that produce a voltage signal with a varying frequency.
• Tools:
1. Soldering iron
A hand tool that is used in the soldering process it supplies heat to melt the solder so that it can flow into the joint between two work pieces.
2. Diagonal pliers
Used in trimming the excess leads closely as possible to the PCB.
3. Solder
A fusible metal alloy used to join together metal work pieces and having a melting point below that of the work piece.
4. Soldering iron holder and cleaning sponge
A standing iron holder is a tool that holds the soldering iron when it’s not in use. The holder also house the cleaning sponge which is used to clean off excess solder from the iron

• Materials:
1. Printed circuit board Mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate.
2. NE555P integrated circuit An integrated circuit (chip) used in a variety of timer, pulse generation, and oscillator applications. The 555 can be used to provide time delays, as an oscillator, and as a flip-flop element.
3. IC socket A socket for the IC.
4. Tact switch (8) Switches that conceptually connect or disconnect signals and communication paths between electrical devices
5. LED A two-lead semiconductor light source that resembles a basic pn-junction diode, except that an LED also emits light
6. Electrolytic capacitor A capacitor that uses an electrolyte (an ionic conducting liquid) as one of its plates to achieve a larger capacitance per unit volume than other types
7. Ceramic capacitor A fixed value capacitor in which ceramic material acts as the dielectric
8. Speaker Device that outputs sounds
9. 9V battery connector
Used to connect the 9V battery to the circuit
10. 9V battery Used to apply power to the circuit
11. Resistors (10) A passive two-terminal electrical component that implements electrical resistance as a circuit element

• Construction of the piano: The PCB for the kit come pre labeled with the placements for the components so setup is fast and convent. This help with just concretion on the soldering techniques.
1. Match and install the 10 resisters (R1 toR10) to the resistor holes on the PCB and then solder
2. Insert the IC socket into the NE555P IC pin holes on the PCB and then solder
3. Insert the eight tact switches into the Do, Re, Mi, Fa, So ,La ,Si ,Do positions on the PCB and then solder
4. Insert the electrolytic capacitor’s positive pin into C3+ and the negative pin intoC3- and then solder
5. Insert the LED’s positive pin into LED+ and the negative pin into LED- and then solder
6. Insert the two ceramic capacitors into the C1 and C2 positions on the PCB and then solder
7. Insert the battery holder red wire into BATTERY+ and black wire into BATTERY- and then solder
8. Insert the Speaker red wire into SPEAKER+ and black wire into SPEAKER- and then solder
Conclusion:
In the following report it was covered on the construction of the electronic piano and the tools and material needed to put together. This is very easy setup that helps you understand the soldering process and gives a confidence boost when you see the project come to life. I can also see this helping you understanding circuits and how to troubleshoot it if something would to go wrong.
Reference:
http://www.radioshack.com/product/index.jsp?productId=15725486…...

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