Histogram Frequency Plotter Kit with Arduino Uno
Histogram Frequency Plotter Kit with Arduino Uno – Visualize ADC Data in Real Time
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Turn raw analog signals into meaningful statistics with this complete histogram plotter kit. You’ll build a device that samples an input 1000 times, sorts the readings into frequency bins, and paints a live histogram on a color TFT display. From discovering the shape of potentiometer noise to exploring signal uncertainty, the kit bridges electronics and data science on a real breadboard.
What You’ll Build
A compact, Arduino‑powered instrument that grabs real‑time voltage readings from a potentiometer (or any analog source) and renders a live‑updating histogram of frequency counts. Each vertical bar represents how often a specific voltage bin appears—making it easy to spot patterns, measure distribution spread, and quantify noise in your signal. The 1.8‑inch TFT shows crisp color‑coded bins, giving you a portable statistical tool for experimenting with data acquisition.
What You’ll Learn
- How to interface a TFT color display with Arduino using the ST7735 library and SPI communication.
- Capturing and processing analog‑to‑digital converter (ADC) values from the Arduino’s built‑in 10‑bit ADC.
- Building a real‑time histogram algorithm: defining bins, counting frequencies, and updating the display without lag.
- Analyzing statistical properties of noise—standard deviation, mean, and distribution shape—from live data.
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Uno R3 | 1 |
| 1.8in TFT ST7735 | 1 |
| 10kΩ Potentiometer | 1 |
| 100nF Capacitor | 5 |
| 400-pt Breadboard | 1 |
| M-M Jumper 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
If you’re a CBSE Class 12 student building a statistics model for your practical exam, or a B.Tech ECE sophomore preparing for Smart India Hackathon, this kit brings data theory to hardware life. Makers at ATL Tinkering Labs can quickly demo statistical concepts like Gaussian distribution and sampling effects. It’s a ready‑to‑explore tool for anyone curious about the numbers hidden inside analog signals.
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, accessible via QR code, walks you through each step. For tricky parts, WhatsApp support from our team is available.
Can I change the number of samples or histogram bins?
Yes—the code is open‑source and well‑commented. You can easily modify sampling rate, bin count, or even feed external sensors like a light sensor to see different distributions.
Does the histogram update in real time as I turn the potentiometer?
Absolutely. As you rotate the pot, the voltage changes and the histogram reshapes instantly, showing how the distribution shifts—making statistical concepts intuitive.
Is this kit suitable for a school science exhibition?
Perfectly. It demonstrates data acquisition, signal processing, and statistics in a single portable device. The live color display always grabs attention at exhibitions.
Captures 1000 ADC samples. Plots histogram of value distribution on TFT. Teaches statistics and ADC noise.
What's in this kit
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