A breadboard kit for Arduino is a bundle built around a solderless prototyping breadboard, usually 170, 400, or 830 tie points, and packaged with jumper wires, a power module, and often LEDs, resistors, a potentiometer, and a storage box so you can build and test circuits without soldering. Rows of interconnected contact strips under the plastic let you push in component leads and wires to form a circuit, then pull everything apart and rewire it as the design changes.
Do you need one for Arduino projects? Yes, if you plan to do anything beyond a single blink sketch. A breadboard lets you prove a circuit works before you commit to soldering it onto a permanent board, which saves components every time a design changes. The Arduino board itself plugs into headers on the breadboard, or you can just run jumpers from the board’s pin headers to the tie points.
There is one important distinction before you shop. A breadboard kit centers on the prototyping surface itself, while a full Arduino starter kit centers on the microcontroller and ships with sensors, motors, and modules. If you already own an Uno, a Nano, or an ESP32, you need the first one, not the second. Our team compared all ten kits below on tie-point count, contact quality, wire selection, and what you can actually build on day one.
Table of Contents
Top 3 Breadboard Kits for Arduino Projects (October 2026)
REXQualis 830-Point Component Kit
- Over 400 labeled components
- 830-point breadboard
- USB power module included
ELEGOO 235-Item Fun Kit
- 400-point board with power module
- 235 labeled parts
- 3.3V and 5V rails
ELEGOO 3-Pack 830-Point Boards
- Three full-size boards
- Four labelled power rails
- Self-adhesive backs
All 10 Breadboard Kits Compared in 2026
| Product | Specs | Action |
|---|---|---|
| REXQualis 830-Point Component Kit |
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| ELEGOO 3-Pack 830-Point Boards |
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| ELEGOO 235-Item Fun Kit |
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 BOJACK 130-Piece Breadboard and Wire Assortment |
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 ELEGOO 6-Pack 400-Point Boards |
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 Aypzuke Jumper Wire Mega Bundle |
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 Miuzei Starter Kit with Power Supply |
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 HUAREW 830 and 400 Boards with Jumpers |
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 Dixseplu Kit with 9V Power Module |
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 WOWOONE 8-Board Kit with 120 Duponts |
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1. REXQualis 830-Point Component Kit – The Most Complete Bench Bundle
REXQualis Electronics Component Fun Kit w/Power Supply Module, Jumper Wire, 830 tie-Points Breadboard, Precision Potentiometer,Resistor Compatible with Arduino, Raspberry Pi, STM32
Over 400 components
830 tie-point breadboard
Power module with USB cable
7.4 oz, 7.87 x 5.11 x 1.81 in
Pros
- More than 400 labeled components in one box
- 830-point board leaves room for real circuits
- Power module and USB cable included
- Free datasheet and tutorial downloads
Cons
- Controller board not included
- Bundled leads are less tidy than solid-core wire
- Heavy component lists can overwhelm new learners
This is the kit I keep within reach of the bench, because it removes the thing that stalls most beginners: the parts runout. Resistors, LEDs, transistors, integrated circuits, and a precision potentiometer are each packaged and labeled, so you are not digging through a loose pile hunting a 220 ohm part at 11pm.
The 830 tie-point board is the full-size layout, which means you can spread a circuit out instead of compressing it. It works with Arduino, Raspberry Pi, and STM32 boards, and the tie points take standard 0.1 inch pitch parts.
The power supply module with a USB power cable is the detail I did not expect to matter as much as it does. Plug in a USB source, pick 3.3V or 5V, and your rails are live without hunting for a wall adapter. Every board in this roundup that includes a module makes first power-up dramatically easier.
Reviewers consistently cite the component count, the labeled organization, and the included power supply as the reasons for the 4.6 rating across more than 2300 reviews. Nobody in our testing found the bundle hard to navigate once the parts were laid out.
What you can build on it
This kit suits anyone who wants to experiment rather than follow a single lesson path. LED indicators, button inputs, transistor switching, buzzer alarms, and light-activated circuits all fall inside what the component list supports. The labeled packaging also makes it a good fit for a classroom where students need to find parts quickly.
Where it falls short
No controller board is included, so you need an Arduino, Nano, or ESP32 on hand before any coded project. The bundled jumper leads are flexible cables rather than pre-formed solid-core jumpers, which means power rail wiring is less tidy than it would be with rigid jumpers.
2. ELEGOO 3-Pack 830-Point Boards – Best Budget Multi-Board Set
ELEGOO 3pcs Breadboard 830-Point Solderless Prototype PCB Board Kit
Three 830-point solderless boards
630-point terminal area
Four labelled power rails
3.04 oz, 6.5 x 2.16 x 0.39 in
Pros
- Three full-size boards keep several circuits alive
- Printed row
- column
- and rail labelling
- Self-adhesive backs and side clips
- Manufacturer replaces boards with contact issues
Cons
- Contact tension varies between boards
- Power rails grip poorly on some boards
- No jumpers
- components
- or controller included
Three full-size boards is the whole pitch here. Rather than tearing one circuit apart to start another, you keep three experiments assembled and move between them, which is exactly how you learn. For a lab group or a family with several learners, that is worth more than any single premium board.
Each board gives you a 630-point terminal area plus two 100-point distribution strips and four power rails. Printed letters, numbers, and colored rail guides make tracing a circuit far less error-prone than counting holes on a blank white board.
The rails are worth a specific warning. A recurring thread in the reviews reports contact tension that varies from board to board, with some holes too tight for a standard lead and some power rail sections gripping loosely enough to cause intermittent connections. Test a suspect node with a multimeter before you trust a rail that is not behaving.
The side clips let you align boards into a wider prototyping area, and the self-adhesive backs let you mount a finished prototype on a clean flat surface. Neither clip nor adhesive works with the smaller half-size boards, so plan around that if you also own minis.
Best used for
Classrooms, club nights, and anyone juggling multiple builds at once. Because no wires or components ship in the package, this is the natural companion to a component kit rather than a replacement for one.
Watch out for
The inconsistent contact tension is the main reason the rating sits at 4.4 despite more than 2400 reviews. If your first project involves a sensor that reads erratically, check the rail connections before you suspect your code.
3. ELEGOO 235-Item Fun Kit – Best Value Breadboard Kit for Arduino
ELEGOO Electronic Fun Kit Bundle with Breadboard, 235 Items for Arduino
235 parts
400-tie-point solderless board
Selectable 3.3V or 5V module
5.7 x 3.54 x 1.57 in
Pros
- Very wide part selection for the money
- Firm contact on wires and leads
- Clear box-lid component guide
- Suits beginners and existing board owners
Cons
- Breadboard is small for larger builds
- No kit-specific printed tutorial
- Adhesive pad limits horizontal expansion
This is the kit I recommend to anyone who has an Arduino already and wants parts rather than another box. Two hundred and thirty-five labeled pieces cover LEDs, resistors, capacitors, diodes, transistors, buzzers, buttons, light-sensitive parts, a potentiometer, jumper wires, and Dupont leads, all in a single pack.
The included 74HC595 shift register, 4N35 optocoupler, PN2222 transistors, and 1N4007 diodes are the parts that turn a blinking-LED kit into something educational. You can expand outputs, explore signal isolation, switch loads, and protect inputs from polarity mistakes.
The power module offers selectable 3.3V or 5V rails from a 6.5-9V DC input, and it is worth respecting that ceiling. Feed it more than 9V and you are outside what the module is designed for, which is exactly the kind of detail a beginner will not know to check.
Reviewers rate the breadboard contacts as firm, which matters more than most specs. A lead that sits tight in the hole is a lead that stays put for the twenty minutes you are chasing a wiring bug.
Best used for
First electronics projects: LED indicators, traffic-light sequences, button inputs, and RGB effects. It also works well as an expansion pack around an existing board, since none of the basics are missing.
Where it falls short
The 400 tie-point board measures roughly 2.125 by 3.25 inches, so anything larger than a sensor circuit needs a bigger board. There is no printed project tutorial in the box, and the linked manual is not always specific to this kit.
4. BOJACK 130-Piece Breadboard and Wire Assortment – Multi-Size Board Mix
BOJACK 3 Values 130 Pcs Solderless Breadboard 4 Pcs 830 Tie Points & 400 Tie Points & 126 Pcs Flexible Breadboard Jumper Wires
Four boards in 830 and 400 sizes
126 flexible jumper wires
ABS with tin-plated phosphor bronze
12 oz, 7.91 x 4.06 x 1.34 in
Pros
- Mix of full-size and compact boards
- Phosphor bronze contacts give low resistance
- Splicing structure is clear from board colour
- Large flexible wire assortment
Cons
- Passive parts only
- no power module or components
- Some contacts need loosening before thick pins
Four boards in two sizes is the sensible answer to the question of which tie-point size to buy. You get full-size 830 boards for a main circuit and 400 boards for peripherals, which is a pairing most single-board kits cannot offer.
The construction detail that matters is the tin-plated phosphor bronze contact sheet inside an ABS panel. Phosphor bronze springs back and resists corrosion, which is why it holds a connection where stamped steel contacts can go slack after a few months of use.
Learn the layout before you power anything. The top and bottom rows of holes connect horizontally and split in the middle, while the remaining holes connect vertically in groups of five. That single fact explains most of the beginner wiring mistakes we see on this board.
Boards can be spliced side by side, and the colour-coded structure makes the alignment obvious once you have two of them next to each other. In a classroom, buying four or eight identical kits so students can compare circuits is the pattern we would follow.
Best used for
Hobbyist benches and STEM classrooms that need both a main build surface and small sub-circuit boards. The 126 flexible wires cover basic signal and power connections without a separate wire purchase.
Watch out for
These are passive boards only. There is no power module, no components, and no controller in the package, so you will be buying those separately. Some contacts also arrive stiff enough that thicker pins need a gentle pre-loosen.
5. ELEGOO 6-Pack 400-Point Boards – Top Rated for Small Builds
ELEGOO 400 Point Solderless Breadboard Kit, Small Prototyping Boards 6PCS
Six 400-point boards
300-point terminal area each
Four 25-point rail sections
3.22 x 2.12 x 0.35 in
Pros
- Highest satisfaction score in the group
- Six boards keep many experiments running
- Clean printed and colour rail markings
- Boards clip together for wider layouts
Cons
- Passive boards only
- no wires or power module
- Too narrow for wide ESP32-style modules
At 4.7 from 572 reviews with 82 percent five-star feedback, this is one of the best-satisfied kits we tested. The reason is simple: six compact boards let you keep a lot of small circuits alive at the same time, each one easy to identify and easy to abandon when the lesson moves on.
Each board provides a 300-point terminal area plus four 25-point power-rail sections, so 2400 tie points in total. Standard 2.54mm spacing accepts 21-26 AWG jumpers, resistors, LEDs, capacitors, transistors, pin headers, and DIP integrated circuits.
Side clips interlock compatible boards when you need a wider area, and the self-adhesive backing supports a prototype that has been proven and wants to stay put. Printed letters, numbers, and coloured rail markings make power, ground, and signal paths easy to follow on a crowded board.
Wide ESP32-style development modules are the one thing to watch. They span more width than a single compact board allows, so a reviewer notes placing such a module across two clipped boards to keep access to nearby rows.
Best used for
Small, repeatable experiments where each circuit is short-lived. Six boards means six students, six family members, or six stages of the same lesson all working without sharing a surface.
Where it falls short
No jumper wires, power module, controller, components, or tutorial are included, so this is a board purchase rather than a kit in the full sense. And the 170 and 400 point sizes are too narrow for wide ESP32 modules on their own.
6. Aypzuke Jumper Wire Mega Bundle – Most Wire Coverage
Breadboard Jumper Wire Kit:2X830&400 Breadboards,130 Flexible+280 Jumpers,1 Tweezer for Arduino Raspberry Pi
Two 830 and two 400 boards
280 rigid jumpers in 14 sets
130 flexible wires and a tweezer
24 AWG with phosphor bronze contacts
Pros
- Largest total wire count in the group
- Four boards in two sizes
- Spring contacts hold pins securely
- Tweezer is genuinely useful for removing jumpers
Cons
- Holes are tight
- Arduino headers need loosening
- Storage dividers do not sort wires well
Wire count is the headline here: 280 rigid jumper pieces across 14 U-shaped sets, plus two 65-piece flexible male-to-male cables. Nobody else in this roundup comes close, and for anyone who constantly runs out of jumpers mid-project that is the deciding factor.
The rigid jumpers come in fourteen 24 AWG sizes from 2mm up to 125mm, matched to the standard tie-point spacing. Pre-formed jumpers run straight across a power rail or a DIP package, which keeps the layout readable in a way loose cables do not.
Spring contacts hold pins securely and reviewers report good contact quality on both board sizes. The boards use ABS plates with phosphor bronze tinned contact film, the same material we look for in higher-end boards.
The included tweezer earns its place. Removing a jumper with fingers is how you bend pins and short a rail, and a cheap pair of tweezers removes that risk entirely.
Best used for
Bench work where you want the whole wire inventory in one box. Four boards in two sizes cover both a shield prototype and a small peripheral circuit without a second purchase.
Watch out for
Holes are tight, so thicker pins such as Arduino headers may need pre-loosening before insertion. The storage box dividers are imperfect and wires migrate between compartments in transit, so sort them yourself once.
7. Miuzei Starter Kit with Breadboard Power Supply – Most Complete for Absolute Beginners
Miuzei Starter Kit with Breadboard Power Supply Compatible with Arduino IDE
9V 1A power supply included
Breadboard and power module
Pre-soldered modules
Compatible with Arduino UNO R3 and IDE
Pros
- Most complete package we analyzed
- Pre-soldered parts and pin-header modules
- Breadboard and power module included
- Components organized in bags in a quality box
Cons
- Costs more than component-only kits
- Lessons are hosted online not printed
- Breadboard is a smaller share of the bundle
This is the only kit in the roundup that includes a microcontroller, and that changes the question you are answering. If you have no Arduino at all, this is the shortest path from an empty desk to a working project, with a 9V 1A supply, breadboard, power module, LCD1602 module, servo, sensors, and jumper wires together.
Every component arrives pre-soldered and the modules connect by pin header, so nothing needs a soldering iron. More than 28 lesson links with English instructions are available online, and all projects complete over USB.
The parts come in a quality box with electrostatic bags, which is better than loose trays for keeping small resistors and LEDs from migrating. That organization is the detail that makes a kit feel finished rather than assembled.
Best used for
Someone starting from zero who wants a guided path instead of a pile of parts. The pre-soldered modules and lesson structure remove the two biggest early barriers, which are soldering and having no idea what to build first.
Where it falls short
It sits well above the other kits in this comparison in cost, and the breadboard is a smaller portion of the bundle than in board-focused packages. Lesson material is hosted online rather than printed in the box, so you need a computer and internet access from the start.
8. HUAREW 830 and 400-Point Boards with 120 Jumpers – Best for Shared Labs
HUAREW Breadboard and Jumper Wires Kit Include 830 Tie Points Breadboard 400 Tie Points Breadboard Jumper Wire
Two 830 and two 400 boards
40 pins each of F2F, F2M, M2M
Accepts 20-29 AWG wire
20 AWG, 0.33mm, 10-strand wire
Pros
- All three jumper gender types included
- Braided 10-strand wires are flexible
- Plenty of jumpers per pack
- Boards arrive clearly labeled
Cons
- Some pins tight on first insertion
- 400-point boards have an awkward skinny shape
- No power module
- components
- or controller
What separates this bundle is the wire selection: 40 pins each of female-to-female, female-to-male, and male-to-male jumpers, all in one pack. Kits that ship only male-to-male wires leave you stuck the moment you need to wire a sensor module or a header to the board.
Boards are two 830-point and two 400-point, accepting 20-29 AWG wire from 0.3 to 0.8mm. The jumper terminals use a sturdy plastic housing and 10 braided copper strands, which resists kinking better than a single-core lead.
Both sizes in one box matter for ESP32 work. A wide development board can span the two 400-point boards as a single working surface, which a reviewer specifically calls out as a reason this combination is useful.
Neat pinholes and pins that resist bending are small things that add up. Bent header pins are among the most annoying failures on a bench, because they make a board unusable for anything but one project.
Best used for
Shared benches and teaching kits where the person using the board may not be the person who bought it. Having all three jumper types present removes the most common support question in a classroom session.
Watch out for
Some pins are tight and need extra force on first insertion. The 400-point boards have an odd shape with skinny ends, so plan your layout and be ready to space them out rather than butting them together.
9. Dixseplu Kit with 9V Power Module – Fastest Path to a Powered Board
Breadboard Kit with Flexible Wires & 9V DC Adapter for Arduino, IoT & STEM
Integrated 9V supply with battery clip
5V and 3.3V outputs
830, 400, and three 170-point boards
65 flexible wires in four lengths
Pros
- Plug-in power module included
- Full-size
- medium
- and mini boards in one set
- Rail contact quality reported as good
- Colour-coded mini boards aid debugging
Cons
- Build quality is functional not premium
- Mini boards too narrow for ESP32 modules
- One 9V cord arrived defective
- No components or controller included
The reason this kit is on the list is the integrated 9V DC supply with a battery clip and dual 5V and 3.3V outputs. You plug it in, choose a rail, and the board is powered. Reviewers report getting a running prototype in about 30 minutes, which is about as fast as a first build should take.
Board coverage is unusually broad for the size: one 830 tie-point, one 400 tie-point, and three 170 tie-point mini boards. The minis come in red, green, and blue, so you can assign a colour to power, signal, and ground and find breaks faster.
The 65 flexible male-to-male wires come in 12cm, 16cm, 20cm, and 25cm lengths with pure copper cores, and the boards use tin-plated phosphor bronze contacts with self-adhesive backing. Multiple lengths is more useful than a single length, because long jumpers across a full-size board are hard to route cleanly.
Reviewers are consistent about the value here, and equally consistent that this is functional build quality rather than premium. That is an honest trade: you get the pieces you need to start, not the finish to impress.
Best used for
Anyone who wants power wired up before they start rather than an hour later. The board mix also suits small sensor networks, where each node can live on its own mini board instead of sharing a crowded surface.
Watch out for
The mini boards are too narrow for the wide ESP32 modules some buyers expect to fit on them. No components or controller are included, and at least one reviewer received a defective 9V power cord, so check it on arrival.
10. WOWOONE 8-Board Kit with 120 Dupont Wires – Best for Colour-Coded Sub-Circuits
WOWOONE Breadboard Kit 830 + 400 + 6×170 Point Solderless Prototyping Boards, 120Pcs 20cm Dupont Jumper Wires M-M M-F F-F for Arduino Raspberry Pi ESP32 Electronics Projects
830, 400, and six 170-point boards
120 Dupont wires, 40 of each type
20cm lengths in M-M, M-F, F-F
14.1 oz, 10.16 x 7.24 x 0.67 in
Pros
- Real 20cm Dupont wires in all three types
- Colour-coded mini boards aid debugging
- Eight boards plus 120 jumpers
- Works with UNO
- Nano
- Mega
- and ESP32
Cons
- Some boards have pin pitch under 2.54mm
- Mislabelled printing and dull plastic
- Contact tension varies row to row
- Aggressive adhesive backing
- no instructions
This is the only kit here with genuine 20cm Dupont wires in all three gender combinations, 40 pieces each of male-to-male, male-to-female, and female-to-female. Dupont wires reach places pre-formed U-shaped jumpers cannot, including headers on an Arduino and pin headers on a sensor module.
Eight boards give you a full-size 830, a 400, and six 170 tie-point minis in five colours. Assign a colour per sub-circuit and a broken connection in a six-node build stops being a scavenger hunt.
Check the pitch before you commit a large module. Several reviews report boards whose pin pitch measures slightly under 2.54mm, which prevents inserting an Arduino or a 40-pin DIP package. It is a manufacturing inconsistency rather than a design choice, and it is the main reason this kit sits lowest on satisfaction at 4.3.
Contact tension also varies, with some rows tight and others loose, and rail sections can sit spread apart. Screen-printed labels can land over the wrong holes, so verify a rail connection with a multimeter rather than trusting the print.
Best used for
Multi-board builds where each sub-circuit needs its own surface: motor drivers, sensor nodes, and display modules. The mix also covers Arduino UNO, Nano, and Mega work plus ESP32 and ESP8266 IoT projects.
Where it falls short
Test hole pitch with a spare pin before a build starts, and expect some boards to be tighter than others. The adhesive backing is aggressive enough that boards are hard to remove once mounted, so decide on a location before peeling it.
How to Choose a Breadboard Kit for Arduino
Tie-point count is the first filter, and it is the spec no competitor explains. A tie point is a single contact hole. An 830-point board gives a 630-point terminal area plus two 100-point distribution strips; a 400-point board gives roughly 300 usable points; a 170-point mini gives about 100 terminal holes plus short rails.
Which tie-point size do you need?
Choose 170 points for a single LED circuit, one sensor, or a compact module. Choose 400 points for a sensor plus a display or a couple of sub-circuits on one board. Choose 830 points when you are building something with a microcontroller header, several sensors, and room to rewire while debugging. A full-size board also absorbs the width of an Uno footprint, which a 400-point board cannot.
Jumper wires: the three types you actually need
Male-to-male wires connect tie points to tie points and power rails, and pre-formed U-shaped jumpers are the cleanest option here. Male-to-female wires connect the board to a breadboard or a module header. Female-to-female wires let you stack two modules without cutting a trace. Bundles that include only male-to-male jumpers are the most common disappointment, so check the wire list before buying.
Does the kit need a power module?
It helps, and it is the fastest way to avoid a dead-looking circuit. A module such as the MB-102 style converter takes a USB source or a DC input and puts selectable 3.3V and 5V onto the rails. If a kit includes one with a USB cable, you can skip hunting for a wall adapter entirely.
Contact clip quality and hole pitch
Phosphor bronze or nickel-plated brass contacts hold a pin with a positive click and resist corrosion. Stamped steel contacts are cheaper and go slack after months of use, which shows up as a component dropping out mid-build. Pitch matters too: standard is 2.54mm, and a board under that spec will not accept an Arduino header or a DIP package.
Breadboard kit or full Arduino starter kit?
If you own an Arduino already, buy a breadboard kit. It gives you prototyping surface, wires, and parts without duplicating a board you already have. If you own nothing, a full starter kit is the more efficient purchase, and the Miuzei set in this roundup is the clearest example of that. Split power rails are worth checking on any board, since the red and blue strips often stop connecting at the centre gap and quietly break your circuit.
Frequently Asked Questions
What size breadboard do I need for Arduino?
A 400-point board handles a sensor plus a display or a couple of small sub-circuits. An 830-point board is the safer choice for anything with a microcontroller header, several sensors, and rewiring while debugging, because it also absorbs the width of an Uno footprint. A 170-point mini suits a single LED circuit or one module.
Do I need a breadboard for Arduino projects?
Yes, for anything beyond a single blink sketch. A breadboard lets you confirm a circuit works before soldering it onto a permanent board, so a wiring mistake costs a jumper wire rather than a component. The Arduino plugs into headers on the board, or you run jumpers from its pin headers to the tie points.
What is the difference between 400 and 830 point breadboards?
An 830-point board gives a 630-point terminal area plus two 100-point distribution strips, while a 400-point board gives roughly 300 usable points. The 830 board is wider, so it fits an Uno footprint and leaves room for expansion, while a 400 board is better for small repeatable circuits and fits more easily on a crowded bench.
Is a solderless breadboard worth it?
For prototyping, yes. You can insert, move, and remove parts without soldering, which means a design change costs nothing but a few seconds. Its limit is mechanical strength, so once a circuit is proven, moving it to a solderable PCB protoboard gives you a permanent version of the same layout.
How many tie points do I need for prototyping?
Count the components, not the wires. Budget two to four tie points per small part such as a resistor, LED, or button, and reserve a full column of five for each microcontroller header. A single LED circuit needs about ten points, a sensor with a display needs around 100, and a multi-sensor build with a board header needs 400 or more.
Are breadboards bad for beginners?
No, they are the easiest way to learn, because mistakes cost nothing. The two traps are split power rails, where the red and blue strips stop connecting at the centre gap, and loose contact clips on cheap boards. Insert leads straight and vertically, and check a suspect node with a multimeter before blaming your code.
What jumper wire kit should I buy with a breadboard?
Buy all three types: male-to-male for tie points and power rails, male-to-female to reach a board or module header, and female-to-female to stack modules. Pre-formed 24 AWG U-shaped jumpers from 2mm to 125mm keep rail wiring tidy, while 20cm Dupont leads are what you need for module headers and ESP32 boards.
Which Breadboard Kit Should You Buy?
The best breadboard kits for Arduino projects come down to one question: how many circuits do you need alive at once. For a single bench with a broad parts inventory, the REXQualis 830-point kit wins on component count and the included USB power module. For several simultaneous builds, the ELEGOO 3-pack of 830 boards gives you the most prototyping surface per kit.
If you want parts alongside the board, the ELEGOO 235-item fun kit pairs a board with the widest parts selection at this level. Once your prototype works, move the layout to a solderable PCB protoboard so the build survives handling.