Flipping Coin Probability Display Variant 12 Kit with Arduino Uno + LED
Flipping Coin Probability Display Kit – Watch Heads vs Tails Converge with Arduino Uno & OLED
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Flip a coin without losing it – and watch the magic of probability unfold. This kit places an Arduino‑powered coin toss simulator right in your hands. Press the tactile button to “flip” a coin; the 0.96‑inch OLED display instantly shows whether it’s Heads or Tails. But the real lesson lives in the running tally: as tosses add up, the display tracks counts and percentages, demonstrating how probability slowly converges toward 50‑50. It’s a tangible way to grasp the law of large numbers and see statistics come out of a breadboard.
What You'll Build
You’ll assemble a compact coin‑flip counter that turns a button press into a crisp visual record. Every toss updates the tally of Heads and Tails on the bright OLED, while the screen also calculates the live probability percentage. After a few minutes of building, you’ll have a standalone gadget that makes randomness observable – perfect for school demonstrations, science fairs, or just satisfying curiosity at home.
What You'll Learn
- Connect and program a 0.96‑inch OLED display using I2C communication
- Read a tactile push button and implement software debounce logic
- Maintain counters and compute live percentages in Arduino C++ code
- Observe probability convergence firsthand as the number of experiments grows
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Uno R3 | 1 |
| Tactile Button | 1 |
| 0.96in OLED | 1 |
| 10kΩ Resistors | 5 |
| 400-pt Breadboard | 1 |
| M-M Wires | 15 |
| 9V Battery Snap | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
From ATL Tinkering Labs to home‑schooling parents, this kit makes probability tangible. It’s tailor‑made for young learners (ages 8 and up) exploring CBSE science activities or STEM clubs, and for beginners curious about how electronics can illuminate maths. No prior coding is required – the pre‑written sketch and AI guidance walk you through every connection and line of code.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
Our AI companion gives you step‑by‑step instructions with images; you can also send a photo on WhatsApp for direct guidance from a real engineer.
Is this kit suitable for a complete beginner with no coding experience?
Absolutely. We provide the full Arduino sketch, and the AI companion explains what every line does. The wiring is clearly mapped, so you can follow along easily.
Can I see the running probability change as the number of flips increases?
Yes – the OLED shows the current toss outcome, the totals for Heads and Tails, and the percentage of Heads. Watch it climb or drift toward 50% as you button‑press your way through hundreds of tosses.
Does the kit come with a battery?
The kit includes a 9V battery snap for the Arduino. A 9V battery is not included due to shipping regulations, but you can grab one from a local store to power your coin flipper anywhere.
Button simulates coin flip. OLED shows running tally of heads vs tails and probability convergence.
What's in this kit
- Arduino Uno R3
- Tactile Button
- 0.96in OLED
- 10kΩ Resistors x5
- 400-pt Breadboard
- M-M Wires x15
- 9V Battery Snap
Other projects you can build
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items