Arduino Binary Clock Kit Kit with Arduino Nano
Arduino Binary Clock Kit – Build a Real Binary Clock with Arduino Nano
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
From the moment you power on, you’ll have a conversation piece that tells time in the language of computers. The DS3231 RTC keeps exact time, while 15 LEDs arranged in three rows display hours, minutes, and seconds in pure binary — just like the clocks used by digital engineers. This kit transforms an abstract concept into a glowing desk gadget your child will be proud to show off.
What You'll Build
A fully functional binary clock that sits on a desk, turning rows of LEDs into a time display. You’ll wire 15 LEDs with current‑limiting resistors on the breadboard, connect the DS3231 RTC module, and upload code to the Arduino Nano. The top row (4 LEDs) shows hours, the middle row (6 LEDs) minutes, and the bottom row (5 LEDs) seconds. It’s a true binary clock — reading it feels like peeking inside a microprocessor.
What You'll Learn
- Reading and writing binary numbers in BCD format
- Wiring LEDs and resistors correctly on a breadboard
- Connecting and programming a DS3231 real‑time clock with Arduino
- Uploading code and debugging a live electronics circuit
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Nano | 1 |
| DS3231 RTC | 1 |
| LED Assorted | 15 |
| 220Ω Resistors | 15 |
| Half Breadboard | 1 |
| MiniUSB Cable | 1 |
| M-M Wires | 25 |
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
Designed for curious minds in CBSE Class 6–8, ATL Tinkering Lab explorers, and young makers attending weekend STEM workshops. It’s also perfect for parents introducing electronics to a 10‑ to 12‑year‑old who’s already comfortable with basic computer concepts and wants to see code come alive in lights.
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?
Scan the QR code for the AI companion which walks you through each connection and code line. If you’re still puzzled, drop a message on WhatsApp — our team responds within hours.
Do I need to solder any parts?
No soldering at all. All components plug directly into the included half breadboard. Just hook up the Nano with the MiniUSB cable and you’re ready to go.
How does the binary clock actually show the time?
Each LED represents a bit in its row group. For example, the bottom row (seconds) uses 5 bits, so a pattern like 1‑1‑0‑0‑1 means 25 seconds (16+8+0+0+1). The code inside the Arduino Nano reads the RTC and lights the corresponding LEDs instantly.
Can I reuse the parts for other projects later?
Absolutely. The Arduino Nano, breadboard, LEDs, resistors, and RTC module are all standard components. Once you’ve mastered the binary clock, you can build countless other beginner projects with the same kit.
DS3231 RTC displays time in binary on 15 LEDs arranged in three rows — reads like a real binary clock.
What's in this kit
- Arduino Nano
- DS3231 RTC
- LED Assorted x15
- 220Ω Resistors x15
- Half Breadboard
- MiniUSB Cable
- M-M Wires x25
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