Ready to turn ideas into working circuits? Meet the REXQualis Electronics Component Fun Kit — a budget-friendly parts bundle that makes prototyping with Arduino, Raspberry Pi, or STM32 fast and fun.
Check price on Amazon REXQualis Electronics Component Fun Kit
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Current price: $13.98 (11% off; save $1.79). Prices and availability can change.
Why this electronics component kit deserves a spot on your desk
If youve ever sat down to build a quick test circuit, only to discover youre missing a jumper wire or the right resistor value, you know how momentum can vanish. The REXQualis Electronics Component Fun Kit solves that by giving you a well-rounded stash of parts in one tidy boxfrom an 830 tie-point breadboard and breadboard power supply module (with USB cable!) to piles of resistors, LEDs, transistors, and ICs. Everything is individually packaged and labeled, so you spend less time hunting and more time building.
What is the REXQualis Electronics Component Fun Kit?
Its a high-value assortment of 400+ components tailored for beginner to intermediate electronics projects. Whether youre prototyping with Arduino, exploring sensors with a Raspberry Pi, or testing peripherals on an STM32 development board, this kit covers the essentials for breadboard-based circuits. Note: it does not include a controller board which keeps the cost low and lets you pair it with whatever microcontroller you prefer.
Standout benefits for makers, students, and classrooms
What sets this kit apart at this price point is the combination of breadth and convenience. The included breadboard power supply module snaps directly onto the board and feeds clean 5V/3.3V rails, and it comes with a USB power cable right in the box (surprisingly uncommon in low-cost kits). Add in the sturdy storage case and clearly labeled bags, and youve got a setup thats ideal for a dorm desk, a home lab, or a traveling STEM toolkit.
Better yet, REXQualis provides downloadable datasheets and tutorials, which is huge if youre learning or teaching. You can get reference values, pinouts, and starter circuits without bouncing across a dozen web pages.
Whats inside the box: Key features
- 830 Tie-Point Breadboard for fast, solderless prototyping.
- Breadboard Power Supply Module with switchable 5V/3.3V outputs.
- USB Power Cable included to feed your rails without a separate adapter.
- Precision potentiometer for adjustable voltage/dividers and analog input experiments.
- Jumper wires (male-to-male) to keep builds clean and reliable.
- Resistors, LEDs, transistors, and ICs individually packaged and labeled.
- 400+ total components for dozens of small projects and tests.
- Sturdy storage box that actually helps you stay organized.
- Datasheets and tutorials available from the REXQualis website or support team.
- Compatible with Arduino, Raspberry Pi, and STM32 ecosystems.
- Controller board not included choose your own MCU.
Real-world scenarios where this kit shines
1) The weekend tinkerer
Youve got an Arduino Uno and a free afternoon. With the REXQualis kit, you can drop in the power module, slot a few resistors, and get an LED blinking in minutes. Add the precision potentiometer and youve got a smooth LED dimmer project using PWM. No soldering iron, no last-minute run for a missing 220 resistor.
2) STEM classroom or workshop
When teaching breadboarding basics, clearly labeled parts are gold. Hand students a container where resistors, LEDs, and transistors are already sorted. The built-in 5V/3.3V power supply reduces the friction (and cable chaos) of multiple wall warts. Because the kit spans common values and parts, you can run multiple lessons without new orders.
3) Raspberry Pi quick sensor tests
Working on a Raspberry Pi project that needs a level-shifted input or a quick LED indicator? The breadboard and jumpers make it simple to wire up test circuits without touching your Pis HATs. Use the 3.3V rail to stay within Pi-friendly voltage limits.
4) STM32 prototyping and validation
For STM32 fans, the kit is perfect for verifying basic I/O, ADC reads from the potentiometer, or transistor-driven outputs before you commit to a PCB. The breadboard power module keeps your rails dependable while you iterate.
Quick start: first builds to try
- LED Blink & Dim: Use a resistor, LED, and your controller board to blink; add the potentiometer to map analog input to PWM for smooth dimming.
- Voltage Divider & Sensing: Create a divider with two resistors and the potentiometer to learn how analog readings translate to sensor values.
- Transistor Switch: Drive an LED or small load through a transistor from a microcontroller pin; learn about base resistors and current limits.
- 3.3V vs 5V Rails: Power the breadboard at 3.3V for Pi-safe experiments and switch to 5V for Arduino and general prototyping.
Pros and cons
Pros
- Excellent value with 400+ components for everyday prototyping.
- Power supply module + USB cable included uncommon at this price.
- Individually labeled parts help beginners learn and stay organized.
- Compatible across Arduino, Raspberry Pi, and STM32 projects.
- Tutorials and datasheets make it easier to get started.
Cons
- No controller board in the box (by design, but plan to pair one).
- As with most budget kits, some components are learning-grade rather than premium.
- You may outgrow the included jumper count if you build larger circuits.
Who will love this kit?
– Beginners who want a low-cost, low-friction way to learn breadboarding and basic circuits.
– Hobbyists who want a tidy, portable box of essentials for weekend projects.
– Educators who need repeatable, organized parts for labs and workshops.
– Prototypers who want a reliable backup kit for quick validations.
Final verdict
The REXQualis Electronics Component Fun Kit is a smart pickup if youre building your first parts library or you just want a dependable, organized kit to keep the ideas flowing. The inclusion of the breadboard power module with USB cable, plus the labeled components and downloadable guides, makes it punch well above its price.
Grab the REXQualis Electronics Component Fun Kit on Amazon and start building today.
Disclosure: I may earn a small commission from qualifying purchases.