Complete Electronics Tutorial

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This page is currently a work in progress.

The goal of this page is to be a complete electronics tutorial for new players and seasoned ones who want to learn more about electronics, and to replace the existing electronics tutorial that has not been updated since 2011.

Intro to Electronics

This section is primarily for new players, so if you already know about the basics of electricity, SWCH, WIFI, and INST, you can skip ahead to the next section.

Basics of Electricity in TPT

How SPRK Works

SPRK, found in the electronics menu, is the basis of all electronics in TPT. SPRK is an indestructible solid that cannot be placed, but it can be "drawn" on to metals and conductive elements. SPRK will transfer itself to any conductive elements within 2 pixels. This allows SPRK to move along conductive elements, which include all metals, WATR and SLTW, MERC, and QRTZ (when under pressure). As seen below, different conductors (METL, GOLD, WATR, and SLTW) conduct at different speeds.

1-6-Conductivity.gif

Technical Details

When a conductive element is sparked, it is replaced with SPRK and the ctype of the SPRK is set to that element. The life of the SPRK is set to 4 and when it reaches 0, the SPRK will replace itself with its ctype, allowing it to turn back into the original element, but with a life set back to 4. The conductor will not be sparkable again until the life reaches 0 - meaning that 8 frames are required for one complete spark cycle.

Basic Conductors

The most basic conductors are METL, PSCN, and NSCN, which are found in the electronics menu. These are what you will use most of the time to transfer electricity. METL conducts to both PSCN and NSCN, and both PSCN and NSCN conduct to metal, as demonstrated below.

1-1-Conductors.gif

However, things get a bit complicated. While PSCN conducts to both METL and NSCN, NSCN cannot conduct to PSCN.

1-2-Silicon.gif

This behavior can be used to make a diode, which allows electricity to flow only one way.

1-3-Diode.gif

Using BTRY

BTRY is an element that can be used to constantly spark any conductor. Simply place one pixel of it and it will work.

1-4-Battery.gif

Using INSL

Another useful electronic element is INSL, which completely blocks heat and electricity. This can be used to prevent SPRK from jumping over a 1-pixel gap.

1-5-INSL.gif

Using SWCH to Control Electronics

SWCH is an element that is used to control the flow of electricity by turning it on and off. SWCH is turned on and off by PSCN and NSCN, like many other powered elements you will learn about later, and conducts to and from METL.

1-8-SWCH.gif

Using WIFI to Transfer Electricity

WIFI makes it easy to transfer electricity instantly over long distances instead of using long wires. WIFI takes electricity from any conductor, and will pass electricity to any conductor except for METL and INST. After placing a pixel of WIFI (it must be used in single pixels), you have to set the channel. WIFI has 100 temperature-dependent channels located every 100 degrees, which can be set manually using the PROP tool, but the recommended way is to use jacob1's Set WIFI script found in the Lua Script Manager. This useful tool simply asks you to input the channel number and sets it for you. As seen in the picture, WIFI's color is dependent on its channel.

1-9-WIFI.gif

Using INST

INST is another way to transfer electricity instantly over long distances, but in the form of a wire. Unlike other conductive elements, INST can only take electricity from PSCN and can only conduct to NSCN. It can not conduct to itself over 1-pixel gaps, and it can cross over itself freely, making it possibly one of the most useful electronic elements.

1-7-INST.gif

Basic ARAY Usage

ARAY Basics

ARAY is an element that allows another way of transferring electricity over a long distance, and it is also the fastest conductor in the game. Unlike other electronic elements, it must be triggered by an adjacent conductor, which must be METL, PSCN (which will be covered later), or INST. When triggered, it emits a line of BRAY (a hidden solid element) that fades away after 30 frames. If this BRAY hits a conductor, it will spark it.

2-1-ARAY.gif

If 2 of these BRAY rays collide, it will create a "point" of BRAY that lasts for 1020 frames.

2-2-Point.gif

ARAY allows conductors to be sparked from a distance and aids in making electronic devices more compact and faster.

Useful ARAY Tricks

Using ARAY with SWCH

Along with switching electricity on and off, SWCH can also be used to control BRAY. When SWCH is on, BRAY can freely pass through, but when it is off, BRAY is blocked.

2-4-SWCH.gif

Using ARAY with FILT

FILT can be used to remove the 30-frame delay when firing ARAY, making it the fastest way to conduct electricity. Simply draw FILT where the BRAY beam will be, and use the ARAY. BRAY will disappear instantly inside FILT, and beams can intersect without creating points. BRAY that passes through FILT will be tinted the color of the FILT.

2-3-FILT.gif

Using ARAY with INST

One more useful feature of ARAY is that if it is triggered with INST, the BRAY beam will pass through multiple conductors. The INST-BRAY beam can be stopped with INSL.

2-5-INST ARAY.gif

Using PTCT and NTCT To Make Logic Gates

PTCT/NTCT Basics

PTCT and NTCT are elements found in the electronics menu that conduct electricity based on how hot they are. PTCT only conducts when cold (<100 degrees) and NTCT only conducts when hot (>100 degrees). The easiest way to heat them is to spark a pixel of METL placed 1 pixel away, as METL gradually heats up when sparked.

The image below shows PTCT (bottom) and NTCT (top) in action.

3-1-PTCT NTCT.gif

Logic Gates

If you are new to TPT and electronic engineering, you might be wondering what logic gates are. Logic gates are electronic devices that create an output based on inputs they receive. They work the same way in real-life electronic circuits and in TPT. Every basic logic gate has 2 inputs (with the exception of the NOT gate) and 1 output. Both the inputs and the output can be one of two states: ON and OFF, HIGH and LOW, or 1 and 0. In TPT, ON/HIGH/1 means that the output is sparked and OFF/LOW/0 means that it is not sparked. This tutorial will use HIGH and LOW.

While PTCT and NTCT can be used to make logic gates, they have mostly been replaced by much faster logic gates made using advanced ARAY techniques, which you will learn about later. However, it is still a good idea to learn how PTCT/NTCT logic works, because you might see it when looking at older electronics saves.

OR Gates

An OR gate is a logic gate that will output HIGH if either of its inputs or both of its inputs are HIGH and the easiest to make in TPT as it consists of 2 diodes with the output connected together.

3-3-Or.gif

AND Gates

An AND gate will only output HIGH when both of its inputs are HIGH. It is the easiest-to-understand logic gate using the old technology.

3-2-And.gif

XOR Gates

A XOR gate (eXclusive OR) will only output HIGH if one of its inputs is HIGH (not both). It is one of the more complicated gates to create at a small size in TPT, but luckily someone has already done that for you.

3-4-Xor.gif

NOT Gates

Unlike the other logic gates here, a NOT gate only has one input and will only output HIGH if the input is low. This is easy to do with PTCT, which will not conduct when heated.

3-5-Not.gif

NOR Gates

A NOR gate (Not OR) can be thought of as an OR gate with a NOT gate connected to the output. It will only output HIGH if none of its inputs are HIGH.

3-6-Nor.gif

NAND Gates

A NAND gate (Not AND) can be thought of as an AND gate with a NOT gate connected to the output. It will only output HIGH if none or 1 of its inputs is HIGH.

3-7-Nand.gif

XNOR Gates

A XNOR gate (eXclusive Not OR) can be thought of as a XOR gate with a NOT gate connected to the output. It will only output HIGH if none or both of its inputs are HIGH.

3-8-Xnor.gif

Useful Electronic Devices

This section will show some useful basic electronic components that can be created with the elements shown so far.

SWCH Memory

Shift Registers

Decimal Counters

Binary Counters

Decimal to Binary Converters

Binary to Decimal Converters

Using Other Electronic Elements

Using DLAY

DLAY is an electronic element found in the powered elements menu. It only conducts from PSCN to NSCN and creates a delay for an amount of frames determined by its temperature. The default temperature is 4 degrees, which will create a 4-frame delay.

4-1-DLAY.gif

Using FRAY

FRAY is an electronic element that pushes or pulls particles when sparked based on its temperature. A positive temperature will push particles and a negative temperature will pull on them. With a high enough temperature, a single particle can be accelerated enough to break GLAS.

4-2-FRAY.gif

Using STOR

STOR is an electronic element that stores a single particle and releases it when powered with PSCN. It can be used to precisely dispense single particles instead of using PPIP.

4-3-STOR.gif

Using Sensors

There are 3 sensors in TPT which are all found in the sensors menu. They are DTEC, which sparks any nearby conductors if it detects a particle of its ctype in its detection range (this is set by tmp2, see the DTEC page for details), TSNS, which sparks any nearby conductors if it is touching a particle with a temperature higher than its own, and PSNS, which sparks any nearby conductors when the pressure is higher than its temperature.

Using Powered Elements

LCRY

LCRY is a powered element that is activated by PSCN and deactivated by NSCN. By default, it will change color to a lighter gray when turned on, but if it has a decoration color, it will be black when off and it will change to its decoration color when on.

PUMP and GPMP

PUMP and GPMP are powered elements that are activated with PSCN and deactivated with NSCN. PUMP will create pressure equal to its temperature and GPMP will create gravity equal to its temperature (Newtonian Gravity must be enabled.)

HSWC

HSWC is a powered element that is activated by PSCN and deactivated by NSCN. When turned off it does not conduct heat, but when turned on it conducts heat quickly.

PCLN/PBCN/PVOD/PPIP

These are all powered elements activated by PSCN and deactivated by NSCN that act as CLNE, BCLN, VOID, and PIPE when turned on.

Using CRAY, DRAY, and PSTN

Using CRAY

Using DRAY

Using PSTN

Using FRME

Advanced PSTN Usage

Using PSTN Properties

Advanced ARAY Usage

Erase BRAY

FILT ROM

Faster Logic Gates

CRAY RAM

ARAY and FILT Wavelengths