7-Segment LED Displays - Common Cathode & Anode Modules

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Key Display For AVR Arduino New 8-Bit Digital LED Tube 8-Bit TM1638 Module
Key Display For AVR Arduino The TM1638 Button Digital LED Display Module is used in chip TM1638, a collection of these three common MCU peripheral circuit, the biggest feature just takes three microcontroller like Arduino IO port to drive, do not need to scan...

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7 Segment Led Display (Common Cathode)
7 Segment Led Display (Common Cathode) 7 Segment Led Display (Common Cathode), is a form of an electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix displays. In a common cathode display, all of the LED...

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DIY 1-Inch LED Electronic Clock Kit (White) – Light-Control MCU Display Set with Enclosure
DIY 1-Inch LED Electronic Clock Kit (White) – Light-Control MCU Display Set with Enclosure This DIY Electronic Clock Kit offers a fun and educational way to explore basic electronics and microcontroller programming. Equipped with a bright 1-inch LED tube display and powered by a...

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1-Inch LED Digital Display DIY Clock Kit (Blue) – Light-Control MCU Project Set with Casing
1-Inch LED Digital Display DIY Clock Kit (Blue) – Light-Control MCU Project Set with Casing This DIY LED Digital Clock Kit is an excellent hands-on project for anyone interested in learning how microcontroller-based circuits work. Built around a 51-series MCU, it features a bright...

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DIY 51 MCU Electronic Clock Kit (Red) – 1" Light-Control LED Display with Assembly Case for STEM Projects
DIY 51 MCU Electronic Clock Kit (Red) – 1" Light-Control LED Display with Assembly Case for STEM Projects This DIY 51 MCU Electronic Clock Kit offers an engaging way to learn core electronics and microcontroller concepts. It features a clear 1-inch LED digital display...

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51 MCU LED Digital Clock DIY Kit (Green) – 1-Inch Light-Control Display with Housing for STEM Learning
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TM1637 4 Digit 7 Segment LED Display
TM1637 4 Digit 7 Segment LED Display The TM1637 4 digit 7 Segment LED Display is a low-cost solution for displaying Arduino project output data. Though the data displayed is limited to numbers, users can also display characters such as A, B, C, and...

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TM1637 4-Digit Display + IR Proximity Sensor
TM1637 4-Digit Display + IR Proximity Sensor The TM1637 4 digit LED Display Module is a low-cost solution for displaying Arduino project output data. Though the data displayed is limited to numbers, users can also display characters such as A, B, C, and so on. The...

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7 Segment Led Display (Common Anode)
7 Segment Led Display (Common Anode) 7 Segment Led Display (Common Anode), is a form of an electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix displays. The Common Anode (CA) - In the common anode display,...

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Type	Advantages	Limitations	Best For
Single Raw Digit	Very low cost, great for learning basics.	Needs many pins and resistors, manual segment control.	Education, experiments, tiny status indicators.
Raw Multi-Digit	Compact multi-digit display in one module.	Requires multiplexing code and more wiring.	Advanced users and custom drivers.
TM1637 / MAX7219 Module	Few pins, built-in current limiting, easy libraries, brightness control.	Slightly higher cost than raw LED displays.	Beginners, clocks, counters, Arduino & Raspberry Pi projects.
I2C/SPI Numeric Board	Chainable modules, minimal wiring, ideal for dashboards.	Depends on driver and library support.	Larger projects, IoT dashboards, multi-module systems.

Passive Buzzer Module 3.3V-5V DC

Filamet is really good

Really good filament with no moisture and printed perfectly

The module is working fine i wished you guys had a soldered one and i think you missed the anntena for this module so make sure to provide one with this module

Delivery and quality

Delivery in one day excellent
Product quality is good

Good Product

Good product and fast courier services. It was good experience ordering from Robocraze

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7 Segment LED Displays

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7-Segment Display Categories

Single-Digit 7-Segment Displays

Multi-Digit Modules (2-Digit / 4-Digit)

Common Anode vs Common Cathode

Driver-Based 7-Segment Modules (TM1637 / MAX7219 / I2C/SPI)

Applications: Electronics, IoT & Raspberry Pi Projects

Connection & Wiring Tips

Raw 7-Segment Displays (No Driver IC)

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Raw Displays vs Driver Modules – Comparison

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Frequently Asked Questions

1. How does a 7-segment display work?

Light Emitting Diodes (LEDs) are used in seven-segment displays to emit light energy in the form of photons. The production emits light in all seven segments to display digits, with the eighth segment serving as a decimal point.

2. Why it is called as 7-segment?

The 7-segment display, also known as the "seven-segment display," is made up of seven LEDs (hence the name) arranged in a rectangular pattern, Each of the seven LEDs is referred to as a segment because, when illuminated, it forms part of a numerical digit (both Decimal and Hex) to be displayed.

3. What are the advantages of a 7-segment display?

It only contains LEDs,

The entire 7-segment display module is very inexpensive.

7 segment displays in general, are extremely efficient.

The heat dissipated by these displays is very low, which extends the life of the devices.

4. What is a common cathode?

The term "common cathode" refers to the fact that the cathodes of all LEDs are connected to a single pin. Each LED's anode has its own pin. So driving one of these entails sending a current from the desired segment's anode (positive) pin to the common cathode pin.

5. How many pins are in a 7-segment display?

6. What is common anode?

7. What digit options are available for 7-segment displays?

8. Are these modules common-cathode or common-anode?

9. Are these displays compatible with Arduino or Raspberry Pi?

10. Can I use these modules for clocks or counters?

Absolutely. The 4-digit display module is explicitly marketed for clock display and counter projects. Also the general 7-segment modules are described as suitable for digital clocks, timers, meters, etc. So they are well-suited for clocks, counters, numerical indicators in your projects.

11. How do I wire multiple 7-segment displays together?

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