Stylophone - Revision history

GiseleN: edited categories

2025-02-12T23:19:46Z

edited categories

← Older revision		Revision as of 23:19, 12 February 2025
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	== Placing Components and Soldering ==		== Placing Components and Soldering ==
	With circuit board and materials ready it's time to place the components and solder them onto the board.		With circuit board and materials ready it's time to place the components and solder them onto the board.
	~~[[Category:Tutorials]]~~
	[[Category:Electronics]]		[[Category:Electronics]]
			[[Category:Projects]]
			[[Category:Soldering]]

Galambosa at 00:24, 29 May 2024

2024-05-29T00:24:40Z

← Older revision		Revision as of 00:24, 29 May 2024
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	* BUFFER_OPAMP - 1 x MCP 6002-I/P op-amp		* BUFFER_OPAMP - 1 x MCP 6002-I/P op-amp
	* BUFFER_C - 1 x ~~____~~ (__) capacitor ~~<--- INSERT VALUES~~		* BUFFER_C - 1 x 10 nF (103) capacitor

	====== VCO: ======		====== VCO: ======

Galambosa at 00:16, 29 May 2024

2024-05-29T00:16:21Z

← Older revision		Revision as of 00:16, 29 May 2024
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	* VCO_R5, R8, and R9 - 3 x 10kΩ resistor		* VCO_R5, R8, and R9 - 3 x 10kΩ resistor
	* VCO_R1, R2, R4, and R7 - 4 x ~~50kΩ~~ resistor		* VCO_R1, R2, R4, and R7 - 4 x 47kΩ resistor
	* VCO_R3 and R6 - 2 x 100kΩ resistor		* VCO_R3 and R6 - 2 x 100kΩ resistor
	* VCO_OPAMP - 1 x MCP 6002-I/P op-amp		* VCO_OPAMP - 1 x MCP 6002-I/P op-amp

Galambosa at 00:02, 29 May 2024

2024-05-29T00:02:28Z

← Older revision		Revision as of 00:02, 29 May 2024
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	* R0L - 1 x 10kΩ 1% resistor		* R0L - 1 x 10kΩ 1% resistor
	* R1L - 1 x 6.~~49kΩ~~ 1% resistor		* R1L - 1 x 6.81kΩ 1% resistor
	* R2L - 1 x 6.98kΩ 1% resistor		* R2L - 1 x 6.98kΩ 1% resistor
	* R3L - 1 x 7.~~32kΩ~~ 1% resistor		* R3L - 1 x 7.68kΩ 1% resistor
	* R4L - 1 x 7.87kΩ 1% resistor		* R4L - 1 x 7.87kΩ 1% resistor
	* R5L - 1 x 8.25kΩ 1% resistor		* R5L - 1 x 8.25kΩ 1% resistor
	* R6L - 1 x 8.~~87kΩ~~ 1% resistor		* R6L - 1 x 8.66kΩ 1% resistor
	* R7L - 1 x 9.~~31kΩ~~ 1% resistor		* R7L - 1 x 8.87kΩ 1% resistor
	* R8L - 1 x 9.~~76kΩ~~ 1% resistor		* R8L - 1 x 9.53kΩ 1% resistor
	* R9L - 1 x 10.5kΩ 1% resistor		* R9L - 1 x 10.5kΩ 1% resistor
	* R10L - 1 x ~~11kΩ~~ 1% resistor		* R10L - 1 x 11.3kΩ 1% resistor
	* R11L - 1 x ~~11.8kΩ~~ 1% resistor		* R11L - 1 x 12kΩ 1% resistor
	* R12L - 1x 12.~~1kΩ~~ 1% resistor		* R12L - 1x 12.7kΩ 1% resistor
	* RGL - 1 x 100kΩ 1% resistor		* RGL - 1 x 100kΩ 1% resistor
	* R_T - 1 x 100Ω trimpot		* R_T - 1 x 100Ω trimpot

Galambosa at 20:54, 28 May 2024

2024-05-28T20:54:54Z

← Older revision		Revision as of 20:54, 28 May 2024
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	-put image of component free PCB here		-put image of component free PCB here

			Components are placed on the PCB by putting them into the holes and [https://www.techspray.com/ultimate-guide-to-electronic-soldering soldering] them into place. Below is an image of the Makerspace stylophone with components soldered on:


	Components are placed on the PCB by putting them into the holes and [https://www.techspray.com/ultimate-guide-to-electronic-soldering soldering] them into place. Below is an image of the Makerspace stylophone with components soldered on:

	- put image of PCB with components here		- put image of PCB with components here
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	* Stylus		* Stylus

	== ~~Step 1:~~ Placing Components ==		== Placing Components and Soldering ==
			With circuit board and materials ready it's time to place the components and solder them onto the board.
	~~== Step 2: Soldering ==~~
	[[Category:Tutorials]]		[[Category:Tutorials]]
	[[Category:Electronics]]		[[Category:Electronics]]

Galambosa at 20:36, 28 May 2024

2024-05-28T20:36:13Z

← Older revision		Revision as of 20:36, 28 May 2024
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	* Audio amplification - this portion of the circuit takes the oscillating output from the VCO and amplifies it so that the signal can be sent to a speaker and converted to sound.		* Audio amplification - this portion of the circuit takes the oscillating output from the VCO and amplifies it so that the signal can be sent to a speaker and converted to sound.

			Below is an image of the the circuit board with each part of the circuit outlined:

			- Image of circuit board with each portion of the circuit labelled
	~~Below is an image of the~~

	~~At the heart of a stylophone is a type~~ of circuit ~~known as a voltage controlled oscillator, or VCO for short. A VCO is a type~~ of circuit that outputs an oscillating electrical signal whose frequency depends on the voltage at the input. In a stylophone a VCO is used to create an oscillating signal that is amplified and outputted to a speaker resulting in a sound of a specific frequency being played. The frequency of the sound depends on the voltage input to the VCO. The input voltage to the VCO is determined by a series of voltage dividers that are selected using the stylus.

	== Materials ==		== Materials ==

Galambosa at 18:24, 28 May 2024

2024-05-28T18:24:53Z

← Older revision		Revision as of 18:24, 28 May 2024
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	=== Other Components: ===		=== Other Components: ===

			* Makerspace stylophone circuit board
	* 8Ω speaker		* 8Ω speaker
	* AA battery holder		* AA battery holder
	* Stylus		* Stylus

			== Step 1: Placing Components ==

			== Step 2: Soldering ==
	[[Category:Tutorials]]		[[Category:Tutorials]]
	[[Category:Electronics]]		[[Category:Electronics]]

Galambosa at 03:40, 28 May 2024

2024-05-28T03:40:33Z

← Older revision		Revision as of 03:40, 28 May 2024
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	== Key Parts of the Circuit ==		== Key Parts of the Circuit ==
	The circuit for the Makerspace stylophone is composed of ~~three~~ major portions. A voltage controlled oscillator (VCO), a resistor ladder, and an audio amplification circuit:		The circuit for the Makerspace stylophone is composed of four major portions. A voltage controlled oscillator (VCO), a resistor ladder, buffer, and an audio amplification circuit:

	* VCO - this portion of the circuit outputs an oscillating electrical signal whose frequency depends on the voltage at the input. By varying the voltage specific frequencies, and hence notes, can be played.		* VCO - this portion of the circuit outputs an oscillating electrical signal whose frequency depends on the voltage at the input. By varying the voltage specific frequencies, and hence notes, can be played.
	* Resistor ladder - this portion of the circuit is a series of resistors that sets the voltage that is inputted to the VCO, therefore setting the note played by each key		* Resistor ladder - this portion of the circuit is a series of resistors that sets the voltage that is inputted to the VCO, therefore setting the note played by each key
			* Buffer - isolates the VCO circuit from the resistor ladder circuit.
	* Audio amplification - this portion of the circuit takes the oscillating output from the VCO and amplifies it so that the signal can be sent to a speaker and converted to sound.		* Audio amplification - this portion of the circuit takes the oscillating output from the VCO and amplifies it so that the signal can be sent to a speaker and converted to sound.

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	== Materials ==		== Materials ==

	The Makerspace stylophone is an electronic circuit primarily composed of three types of analog electrical components: resistors, capacitors, transistors, and op-amps. On the circuit board ~~each of~~ components is labelled with a name. Below is a list of components needed to build each portion of the stylophone as well as their names on the circuit board.		The Makerspace stylophone is an electronic circuit primarily composed of three types of analog electrical components: resistors, capacitors, transistors, and op-amps. On the circuit board most components are labelled with a name. Below is a list of components needed to build each portion of the stylophone as well as their names on the circuit board (if applicable).

			=== Circuit Components: ===

	====== Resistor Ladder: ======		====== Resistor Ladder: ======
	One resistor per note as well as a grounding resistor RGL.		One resistor per note as well as a grounding resistor RGL and tuning trimpot R_T.

	* R0L - 1 x 10kΩ 1% resistor		* R0L - 1 x 10kΩ 1% resistor
Line 47:		Line 50:
	* R12L - 1x 12.1kΩ 1% resistor		* R12L - 1x 12.1kΩ 1% resistor
	* RGL - 1 x 100kΩ 1% resistor		* RGL - 1 x 100kΩ 1% resistor
			* R_T - 1 x 100Ω trimpot

			====== Buffer: ======

			* BUFFER_OPAMP - 1 x MCP 6002-I/P op-amp
			* BUFFER_C - 1 x ____ (__) capacitor <--- INSERT VALUES

	====== VCO: ======		====== VCO: ======

	* ~~VCO_R3, R5~~, R8, and R9 - 4 x 10kΩ resistor		* VCO_R5, R8, and R9 - 3 x 10kΩ resistor
	* VCO_R1, R2, R4, and R7 - 4 x 50kΩ resistor		* VCO_R1, R2, R4, and R7 - 4 x 50kΩ resistor
	* VCO_R3 and R6 - 2 x 100kΩ resistor		* VCO_R3 and R6 - 2 x 100kΩ resistor
			* VCO_OPAMP - 1 x MCP 6002-I/P op-amp
			* VCO_C - 1 x 10 nF (103) capacitor
			* Q1 - 1 x 2N3904 transistor

			====== Audio Amplification: ======

			* BTE-PAM8403 audio amplifier
			* AUDIO_C - 1µF (105) capacitor

			=== Other Components: ===

			* 8Ω speaker
			* AA battery holder
			* Stylus

	[[Category:Tutorials]]		[[Category:Tutorials]]
	[[Category:Electronics]]		[[Category:Electronics]]

Galambosa at 03:26, 28 May 2024

2024-05-28T03:26:42Z

← Older revision		Revision as of 03:26, 28 May 2024
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			== Introduction ==
	This page is a tutorial for making a stylophone using a Makerspace stylophone kit. A stylophone is an analog electronic instrument invented in 1967 by Brian Jarvis. It is similar to an electronic keyboard but a stylus is used to “press” the keys rather than the keys being physically pressed. When a key is “pressed” a circuit is completed that results in a note being played.		This page is a tutorial for making a stylophone using a Makerspace stylophone kit. A stylophone is an analog electronic instrument invented in 1967 by Brian Jarvis. It is similar to an electronic keyboard but a stylus is used to “press” the keys rather than the keys being physically pressed. When a key is “pressed” a circuit is completed that results in a note being played.

	Electronic projects can seem intimidating especially if your new to them, but do not worry you can do it! There are details in this tutorial that I have included for people familiar with electronics, but it is doable to make a stylophone without understanding them. The big picture to focus on is that the goal is to put electronic components onto a [https://learn.sparkfun.com/tutorials/pcb-basics/all printed circuit board] (PCB) to create the circuitry for the stylophone. The PCB is ~~just a piece~~ of		Electronic projects can seem intimidating especially if your new to them, but do not worry you can do it! There are details in this tutorial that I have included for people familiar with electronics, but it is doable to make a stylophone without understanding them. The big picture to focus on is that the goal is to put electronic components onto a [https://learn.sparkfun.com/tutorials/pcb-basics/all printed circuit board] (PCB) to create the circuitry for the stylophone. The PCB has "through holes" that the components can be put through, and the components are connected by "traces", which are just pieces of copper embedded in the circuit board. Below is an image of the Makerspace stylophone PCB without any components placed on:

	-put image of PCB here		-put image of component free PCB here



	~~is that this a [https://www.techspray.com/ultimate-guide-to-electronic-soldering soldering] project.~~

			Components are placed on the PCB by putting them into the holes and [https://www.techspray.com/ultimate-guide-to-electronic-soldering soldering] them into place. Below is an image of the Makerspace stylophone with components soldered on:

			- put image of PCB with components here

	~~Soldering~~, ~~in this context~~, ~~is melting metal to put~~		== Key Parts of the Circuit ==
			The circuit for the Makerspace stylophone is composed of three major portions. A voltage controlled oscillator (VCO), a resistor ladder, and an audio amplification circuit:

			* VCO - this portion of the circuit outputs an oscillating electrical signal whose frequency depends on the voltage at the input. By varying the voltage specific frequencies, and hence notes, can be played.
			* Resistor ladder - this portion of the circuit is a series of resistors that sets the voltage that is inputted to the VCO, therefore setting the note played by each key
			* Audio amplification - this portion of the circuit takes the oscillating output from the VCO and amplifies it so that the signal can be sent to a speaker and converted to sound.

	~~The Makerspace~~ stylophone ~~circuit~~ is ~~composed~~ of ~~three primary parts: resistor ladder,~~ voltage controlled oscillator (VCO~~), and~~ an ~~audio amplifying circuit~~. ~~The resistor ladder~~ is ~~responsible for setting the note~~ that ~~each "key" plays~~ and is ~~composed~~ of ~~13 resistors in series~~. ~~The~~

			Below is an image of the

			At the heart of a stylophone is a type of circuit known as a voltage controlled oscillator, or VCO for short. A VCO is a type of circuit that outputs an oscillating electrical signal whose frequency depends on the voltage at the input. In a stylophone a VCO is used to create an oscillating signal that is amplified and outputted to a speaker resulting in a sound of a specific frequency being played. The frequency of the sound depends on the voltage input to the VCO. The input voltage to the VCO is determined by a series of voltage dividers that are selected using the stylus.

	== Materials ==		== Materials ==

			The Makerspace stylophone is an electronic circuit primarily composed of three types of analog electrical components: resistors, capacitors, transistors, and op-amps. On the circuit board each of components is labelled with a name. Below is a list of components needed to build each portion of the stylophone as well as their names on the circuit board.

			====== Resistor Ladder: ======
			One resistor per note as well as a grounding resistor RGL.

			* R0L - 1 x 10kΩ 1% resistor
			* R1L - 1 x 6.49kΩ 1% resistor
			* R2L - 1 x 6.98kΩ 1% resistor
			* R3L - 1 x 7.32kΩ 1% resistor
			* R4L - 1 x 7.87kΩ 1% resistor
			* R5L - 1 x 8.25kΩ 1% resistor
			* R6L - 1 x 8.87kΩ 1% resistor
			* R7L - 1 x 9.31kΩ 1% resistor
			* R8L - 1 x 9.76kΩ 1% resistor
			* R9L - 1 x 10.5kΩ 1% resistor
			* R10L - 1 x 11kΩ 1% resistor
			* R11L - 1 x 11.8kΩ 1% resistor
			* R12L - 1x 12.1kΩ 1% resistor
			* RGL - 1 x 100kΩ 1% resistor

			====== VCO: ======

			* VCO_R3, R5, R8, and R9 - 4 x 10kΩ resistor
			* VCO_R1, R2, R4, and R7 - 4 x 50kΩ resistor
			* VCO_R3 and R6 - 2 x 100kΩ resistor


	~~you will make is an electronic circuit primarily composed of three types of analog electrical components: resistors, capacitors, and op-amps.~~
	[[Category:Tutorials]]		[[Category:Tutorials]]
	[[Category:Electronics]]		[[Category:Electronics]]

Galambosa at 03:00, 28 May 2024

2024-05-28T03:00:28Z

@@ Line 1: / Line 1: @@
-Stylophone page
+This page is a tutorial for making a stylophone using a Makerspace stylophone kit. A stylophone is an analog electronic instrument invented in 1967 by Brian Jarvis.  It is similar to an electronic keyboard but a stylus is used to “press” the keys rather than the keys being physically pressed. When a key is “pressed” a circuit is completed that results in a note being played.
 [[Category:Tutorials]]
 [[Category:Electronics]]