7 Segment LED Display (Common Anode)

Display digits 0-9 with ease using this classic common-anode 7-segment LED display. A fundamental building block for counters, clocks, scoreboards, and embedded system projects. Available at The Tech Depot, Bengaluru - fast shipping, genuine components, and dedicated support.

Specifications

Common Anode vs Common Cathode - Quick Guide

In a common anode display, all segment anodes are tied together and connected to VCC. You turn on individual segments by pulling their cathode pins LOW through a current-limiting resistor. This is the opposite of a common cathode display, where segments are driven HIGH. Make sure your code and wiring match the common-anode configuration - segment logic is active LOW (0 = ON, 1 = OFF).

Why Choose This?

• 100% authentic from trusted component suppliers - consistent brightness and reliable pin-outs
• Bright, clear digits - easily readable in normal indoor lighting conditions
• Simple interfacing - connect directly to microcontroller GPIO pins with 220 Ohm-330 Ohm resistors per segment
• Breadboard-friendly - standard 0.1" pitch through-hole pins for easy prototyping
• Wide voltage compatibility - works seamlessly with both 3.3 V and 5 V logic levels
• 1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most of India
• Expert technical support included - wiring help, code samples, and troubleshooting

Project Ideas

• Digital Clock: Combine four 7-segment displays with an RTC module (DS1307/DS3231) and Arduino to build a real-time clock with hours and minutes.
• Visitor / Object Counter: Pair with an IR sensor or ultrasonic sensor to count people, products, or events and display the tally in real time.
• Temperature Display: Read temperature from a DHT11, LM35, or DS18B20 sensor and show the value on one or two 7-segment displays.
• Scoreboard: Build a simple sports or game scoreboard with push-button increment/decrement controls.
• Dice Simulator: Use a push button to generate a random number (1-6) and display it - great beginner Arduino project.
• Countdown Timer: Create a kitchen timer, exam timer, or rocket-launch countdown with buzzer alert at zero.
• Voltmeter / Ammeter: Display analog sensor readings as numeric values for a DIY bench multimeter.
• Learning & Education: Ideal for understanding multiplexing, BCD decoding, shift register cascading, and embedded C/Arduino programming fundamentals.

How to Connect (Typical Arduino Wiring)

1. Connect the common anode pin(s) to 5 V (or 3.3 V).

1. Connect each of the 7 segment pins (a-g) and the DP pin to individual Arduino digital pins through a 220 Ohm resistor each.
   
2. To light a segment, set the corresponding Arduino pin LOW.
   
3. Use a segment map array in your code to translate digits 0-9 into the correct LOW/HIGH pattern for each pin.
   

Frequently Asked Questions

Buy 7 Segment Led Display (Common Anode) Online in India

Purchase the 7 Segment Led Display (Common Anode) online at The Tech Depot - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on 7 Segment Led Display (Common Anode) with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.

Looking to buy 7 Segment Led Display (Common Anode) at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.