Terrario-elettronico - Revision history

Tommaz at 21:08, 6 January 2026

2026-01-06T21:08:52Z

← Older revision		Revision as of 23:08, 6 January 2026
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	=== Workshop zine ===		=== Workshop zine ===
	The days following the workshop have been devoted to the design of a zine/manual that could serve as a record of the laboratory, ultimately being the offline version of this very page. <br>		The days following the workshop have been devoted to the design of a zine/manual that could serve as a record of the laboratory, ultimately being the offline version of this very page. <br>
	Together with Flora and Pongie we thought of a foldable format that could fit inside the synth's case, aligning with its screw holes. [https://habitattt.it/wiki/images/1/1b/~~Terrario%20elettronico%20~~-~~%20A3%20zine~~.pdf Download it here], then print it, trim it, fold it, punch it.		Together with Flora and Pongie we thought of a foldable format that could fit inside the synth's case, aligning with its screw holes. [https://habitattt.it/wiki/images/1/1b/Terrario_elettronico_-_A3_zine.pdf Download it here], then print it, trim it, fold it, punch it.

	=== Basic theory on electronic components ===		=== Basic theory on electronic components ===

Tommaz at 21:06, 6 January 2026

2026-01-06T21:06:36Z

← Older revision		Revision as of 23:06, 6 January 2026
Line 17:		Line 17:
	=== Workshop zine ===		=== Workshop zine ===
	The days following the workshop have been devoted to the design of a zine/manual that could serve as a record of the laboratory, ultimately being the offline version of this very page. <br>		The days following the workshop have been devoted to the design of a zine/manual that could serve as a record of the laboratory, ultimately being the offline version of this very page. <br>
	Together with Flora and Pongie we thought of a foldable format that could fit inside the synth's case, aligning with its screw holes. Download it here, then print it, trim it, fold it, punch it.		Together with Flora and Pongie we thought of a foldable format that could fit inside the synth's case, aligning with its screw holes. [https://habitattt.it/wiki/images/1/1b/Terrario%20elettronico%20-%20A3%20zine.pdf Download it here], then print it, trim it, fold it, punch it.

	=== Basic theory on electronic components ===		=== Basic theory on electronic components ===

Tommaz at 21:03, 6 January 2026

2026-01-06T21:03:44Z

← Older revision		Revision as of 23:03, 6 January 2026
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	=== Schematic + building plans ===		=== Schematic + building plans ===
	[[File:T E schematics.png~~\|frameless~~]]		[[File:T E schematics.png]]
	[[File:T E building plan.png~~\|frameless~~]]		[[File:T E building plan.png]]

	=== Bill of materials ===		=== Bill of materials ===

Tommaz at 21:02, 6 January 2026

2026-01-06T21:02:54Z

← Older revision		Revision as of 23:02, 6 January 2026
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	*OSC1 output volume control via LDR (the effect is a kind of VCA, you can get interesting side-chaining/sagging effects combining OSC1 LDR with OSC2 LED)		*OSC1 output volume control via LDR (the effect is a kind of VCA, you can get interesting side-chaining/sagging effects combining OSC1 LDR with OSC2 LED)
	LED and LDR are mounted onto long antennas so that they can be moved, held in hand, wiggled and so on.		LED and LDR are mounted onto long antennas so that they can be moved, held in hand, wiggled and so on.

			=== Schematic + building plans ===
			[[File:T E schematics.png\|frameless]]
			[[File:T E building plan.png\|frameless]]

	=== Bill of materials ===		=== Bill of materials ===

Tommaz at 20:58, 6 January 2026

2026-01-06T20:58:09Z

← Older revision		Revision as of 22:58, 6 January 2026
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	'''RESISTOR'''<br>		'''RESISTOR'''<br>
	A passive component that resist the flow of the current – it can have different forms:		A passive component that resist the flow of the current – it can have different forms:
	*'''FIXED RESISTOR''', with a set value expressed in Ohms; ~~<br>~~		*'''FIXED RESISTOR''', with a set value expressed in Ohms;
	~~[[File:T E resistor.png\|frameless]]<br>~~		*'''LDR or PHOTOCELL''', a sensor that features more or less resistance through its path whether it is exposed to sources of light;
	*'''LDR or PHOTOCELL''', a sensor that features more or less resistance through its path whether it is exposed to sources of light; ~~<br>~~		*'''POTENTIOMETER''', a variable resistor controllable by turning a knob – it can be wired in different ways to achieve different results.
	~~[[File:T E ldr.png\|frameless\|left]]<br>~~		<gallery>
	*'''POTENTIOMETER''', a variable resistor controllable by turning a knob – it can be wired in different ways to achieve different results.<br>		T E resistor.png\|FIXED RESISTOR
	~~[[File:~~T E pot.png\|~~frameless\|frameless]]~~<br>		T E ldr.png\|LDR
			T E pot.png\|POTENTIOMETER
			</gallery>
	'''CAPACITOR'''<br>		'''CAPACITOR'''<br>
	A sort of small battery that can store electricity and discharge at a set rate. It also can be used to block DC current and let AC pass through. There are many different types of capacitors, but pay special attention to electrolytic ones: those are polarized components that need to be oriented in a specific way (negative pole towards the lower potential side).<br>		A sort of small battery that can store electricity and discharge at a set rate. It also can be used to block DC current and let AC pass through. There are many different types of capacitors, but pay special attention to electrolytic ones: those are polarized components that need to be oriented in a specific way (negative pole towards the lower potential side).<br>

Tommaz at 20:55, 6 January 2026

2026-01-06T20:55:23Z

← Older revision		Revision as of 22:55, 6 January 2026
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	[[File:T E resistor.png\|frameless]]<br>		[[File:T E resistor.png\|frameless]]<br>
	*'''LDR or PHOTOCELL''', a sensor that features more or less resistance through its path whether it is exposed to sources of light; <br>		*'''LDR or PHOTOCELL''', a sensor that features more or less resistance through its path whether it is exposed to sources of light; <br>
	[[File:T E ldr.png\|frameless]]<br>		[[File:T E ldr.png\|frameless\|left]]<br>
	*'''POTENTIOMETER''', a variable resistor controllable by turning a knob – it can be wired in different ways to achieve different results.<br>		*'''POTENTIOMETER''', a variable resistor controllable by turning a knob – it can be wired in different ways to achieve different results.<br>
	[[File:T E pot.png\|frameless\|frameless]]<br>		[[File:T E pot.png\|frameless\|frameless]]<br>

Tommaz at 20:54, 6 January 2026

2026-01-06T20:54:48Z

Tommaz at 20:53, 6 January 2026

2026-01-06T20:53:47Z

← Older revision		Revision as of 22:53, 6 January 2026
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	=== Basic theory on electronic components ===		=== Basic theory on electronic components ===
	~~[[File:T E transistor.png\|thumb]]~~
	'''TRANSISTOR''' <br>		'''TRANSISTOR''' <br>
	The heart of the synth and semiconductor electronics in general. It usually amplifies a small signal thanks to a DC current supply, but this time it has been forced to work in its avalanche breakdown region, emitting current pulses at rhythmic intervals. We use S9018 transistors for their ability to oscillate at very low voltages so that a simple 9V battery is enough.		The heart of the synth and semiconductor electronics in general. It usually amplifies a small signal thanks to a DC current supply, but this time it has been forced to work in its avalanche breakdown region, emitting current pulses at rhythmic intervals. We use S9018 transistors for their ability to oscillate at very low voltages so that a simple 9V battery is enough.
			[[File:T E transistor.png\|frameless]]<br>

	'''RESISTOR'''<br>		'''RESISTOR'''<br>
	A passive component that resist the flow of the current – it can have different forms:		A passive component that resist the flow of the current – it can have different forms:
	~~[[File:T E resistor.png\|thumb]]~~
	*'''FIXED RESISTOR''', with a set value expressed in Ohms;		*'''FIXED RESISTOR''', with a set value expressed in Ohms;
	[[File:T E ~~ldr~~.png\|~~thumb~~]]		[[File:T E resistor.png\|frameless]]<br>
	*'''LDR or PHOTOCELL''', a sensor that features more or less resistance through its path whether it is exposed to sources of light;		*'''LDR or PHOTOCELL''', a sensor that features more or less resistance through its path whether it is exposed to sources of light;
	[[File:T E ~~pot~~.png\|frameless~~\|left~~]]		[[File:T E ldr.png\|frameless]]<br>
	*'''POTENTIOMETER''', a variable resistor controllable by turning a knob – it can be wired in different ways to achieve different results.		*'''POTENTIOMETER''', a variable resistor controllable by turning a knob – it can be wired in different ways to achieve different results.
			[[File:T E pot.png\|frameless\|frameless]]<br>

	~~[[File:T E cap.png\|frameless\|right]]~~
	'''CAPACITOR'''<br>		'''CAPACITOR'''<br>
	A sort of small battery that can store electricity and discharge at a set rate. It also can be used to block DC current and let AC pass through. There are many different types of capacitors, but pay special attention to electrolytic ones: those are polarized components that need to be oriented in a specific way (negative pole towards the lower potential side).		A sort of small battery that can store electricity and discharge at a set rate. It also can be used to block DC current and let AC pass through. There are many different types of capacitors, but pay special attention to electrolytic ones: those are polarized components that need to be oriented in a specific way (negative pole towards the lower potential side).
			[[File:T E cap.png\|frameless\|frameless]]<br>

	~~[[File:T E led.png\|frameless\|left]]~~
	'''LED'''<br>		'''LED'''<br>
	A light emitting diode, here used as a load for the circuit: each time the transistor emits an audible pulse, the LED flashes in sync. LEDs are polarized components: always orient the cathode aka shorter leg aka minus sign towards ground.		A light emitting diode, here used as a load for the circuit: each time the transistor emits an audible pulse, the LED flashes in sync. LEDs are polarized components: always orient the cathode aka shorter leg aka minus sign towards ground.
			[[File:T E led.png\|frameless\|frameless]]<br>

	=== How the circuit works ===		=== How the circuit works ===

Tommaz at 20:49, 6 January 2026

2026-01-06T20:49:54Z

← Older revision		Revision as of 22:49, 6 January 2026
Line 20:		Line 20:

	=== Basic theory on electronic components ===		=== Basic theory on electronic components ===
	[[File:T E transistor.png\|~~frameless\|left~~]]		[[File:T E transistor.png\|thumb]]
	'''TRANSISTOR''' <br>		'''TRANSISTOR''' <br>
	The heart of the synth and semiconductor electronics in general. It usually amplifies a small signal thanks to a DC current supply, but this time it has been forced to work in its avalanche breakdown region, emitting current pulses at rhythmic intervals. We use S9018 transistors for their ability to oscillate at very low voltages so that a simple 9V battery is enough.		The heart of the synth and semiconductor electronics in general. It usually amplifies a small signal thanks to a DC current supply, but this time it has been forced to work in its avalanche breakdown region, emitting current pulses at rhythmic intervals. We use S9018 transistors for their ability to oscillate at very low voltages so that a simple 9V battery is enough.
Line 27:		Line 27:
	'''RESISTOR'''<br>		'''RESISTOR'''<br>
	A passive component that resist the flow of the current – it can have different forms:		A passive component that resist the flow of the current – it can have different forms:
	[[File:T E resistor.png\|~~frameless\|left~~]]		[[File:T E resistor.png\|thumb]]
	*'''FIXED RESISTOR''', with a set value expressed in Ohms;		*'''FIXED RESISTOR''', with a set value expressed in Ohms;
	[[File:T E ldr.png\|~~frameless\|left~~]]		[[File:T E ldr.png\|thumb]]
	*'''LDR or PHOTOCELL''', a sensor that features more or less resistance through its path whether it is exposed to sources of light;		*'''LDR or PHOTOCELL''', a sensor that features more or less resistance through its path whether it is exposed to sources of light;
	[[File:T E pot.png\|frameless\|left]]		[[File:T E pot.png\|frameless\|left]]

Tommaz at 20:48, 6 January 2026

2026-01-06T20:48:23Z

← Older revision		Revision as of 22:48, 6 January 2026
Line 24:		Line 24:
	The heart of the synth and semiconductor electronics in general. It usually amplifies a small signal thanks to a DC current supply, but this time it has been forced to work in its avalanche breakdown region, emitting current pulses at rhythmic intervals. We use S9018 transistors for their ability to oscillate at very low voltages so that a simple 9V battery is enough.		The heart of the synth and semiconductor electronics in general. It usually amplifies a small signal thanks to a DC current supply, but this time it has been forced to work in its avalanche breakdown region, emitting current pulses at rhythmic intervals. We use S9018 transistors for their ability to oscillate at very low voltages so that a simple 9V battery is enough.

	~~[[File:T E resistor.png\|frameless\|left]]<br>~~
	'''RESISTOR'''<br>		'''RESISTOR'''<br>
	A passive component that resist the flow of the current – it can have different forms:		A passive component that resist the flow of the current – it can have different forms:
			[[File:T E resistor.png\|frameless\|left]]
	*'''FIXED RESISTOR''', with a set value expressed in Ohms;		*'''FIXED RESISTOR''', with a set value expressed in Ohms;
			[[File:T E ldr.png\|frameless\|left]]
	*'''LDR or PHOTOCELL''', a sensor that features more or less resistance through its path whether it is exposed to sources of light;		*'''LDR or PHOTOCELL''', a sensor that features more or less resistance through its path whether it is exposed to sources of light;
			[[File:T E pot.png\|frameless\|left]]
	*'''POTENTIOMETER''', a variable resistor controllable by turning a knob – it can be wired in different ways to achieve different results.		*'''POTENTIOMETER''', a variable resistor controllable by turning a knob – it can be wired in different ways to achieve different results.

	[[File:T E cap.png\|frameless\|~~left~~]]		[[File:T E cap.png\|frameless\|right]]
	'''CAPACITOR'''<br>		'''CAPACITOR'''<br>
	A sort of small battery that can store electricity and discharge at a set rate. It also can be used to block DC current and let AC pass through. There are many different types of capacitors, but pay special attention to electrolytic ones: those are polarized components that need to be oriented in a specific way (negative pole towards the lower potential side).		A sort of small battery that can store electricity and discharge at a set rate. It also can be used to block DC current and let AC pass through. There are many different types of capacitors, but pay special attention to electrolytic ones: those are polarized components that need to be oriented in a specific way (negative pole towards the lower potential side).

← Older revision		Revision as of 22:54, 6 January 2026
Line 21:		Line 21:
	=== Basic theory on electronic components ===		=== Basic theory on electronic components ===
	'''TRANSISTOR''' <br>		'''TRANSISTOR''' <br>
	The heart of the synth and semiconductor electronics in general. It usually amplifies a small signal thanks to a DC current supply, but this time it has been forced to work in its avalanche breakdown region, emitting current pulses at rhythmic intervals. We use S9018 transistors for their ability to oscillate at very low voltages so that a simple 9V battery is enough.		The heart of the synth and semiconductor electronics in general. It usually amplifies a small signal thanks to a DC current supply, but this time it has been forced to work in its avalanche breakdown region, emitting current pulses at rhythmic intervals. We use S9018 transistors for their ability to oscillate at very low voltages so that a simple 9V battery is enough.<br>
	[[File:T E transistor.png\|frameless]]<br>		[[File:T E transistor.png\|frameless]]<br>

	'''RESISTOR'''<br>		'''RESISTOR'''<br>
	A passive component that resist the flow of the current – it can have different forms:		A passive component that resist the flow of the current – it can have different forms:
	*'''FIXED RESISTOR''', with a set value expressed in Ohms;		*'''FIXED RESISTOR''', with a set value expressed in Ohms; <br>
	[[File:T E resistor.png\|frameless]]<br>		[[File:T E resistor.png\|frameless]]<br>
	*'''LDR or PHOTOCELL''', a sensor that features more or less resistance through its path whether it is exposed to sources of light;		*'''LDR or PHOTOCELL''', a sensor that features more or less resistance through its path whether it is exposed to sources of light; <br>
	[[File:T E ldr.png\|frameless]]<br>		[[File:T E ldr.png\|frameless]]<br>
	*'''POTENTIOMETER''', a variable resistor controllable by turning a knob – it can be wired in different ways to achieve different results.		*'''POTENTIOMETER''', a variable resistor controllable by turning a knob – it can be wired in different ways to achieve different results.<br>
	[[File:T E pot.png\|frameless\|frameless]]<br>		[[File:T E pot.png\|frameless\|frameless]]<br>

	'''CAPACITOR'''<br>		'''CAPACITOR'''<br>
	A sort of small battery that can store electricity and discharge at a set rate. It also can be used to block DC current and let AC pass through. There are many different types of capacitors, but pay special attention to electrolytic ones: those are polarized components that need to be oriented in a specific way (negative pole towards the lower potential side).		A sort of small battery that can store electricity and discharge at a set rate. It also can be used to block DC current and let AC pass through. There are many different types of capacitors, but pay special attention to electrolytic ones: those are polarized components that need to be oriented in a specific way (negative pole towards the lower potential side).<br>
	[[File:T E cap.png\|frameless\|frameless]]<br>		[[File:T E cap.png\|frameless\|frameless]]<br>

	'''LED'''<br>		'''LED'''<br>
	A light emitting diode, here used as a load for the circuit: each time the transistor emits an audible pulse, the LED flashes in sync. LEDs are polarized components: always orient the cathode aka shorter leg aka minus sign towards ground.		A light emitting diode, here used as a load for the circuit: each time the transistor emits an audible pulse, the LED flashes in sync. LEDs are polarized components: always orient the cathode aka shorter leg aka minus sign towards ground.<br>
	[[File:T E led.png\|frameless\|frameless]]<br>		[[File:T E led.png\|frameless\|frameless]]<br>