7 Segment Display I2c Arduino
About 7 segment display i2c arduino
Where to Source 7 Segment Display I2C Arduino Modules?
China's electronics manufacturing ecosystem, particularly in the Shenzhen region, serves as a global hub for compact display modules compatible with Arduino and embedded systems. This concentration enables vertically integrated production of 7 segment LED displays with I2C interface boards, combining surface-mount technology (SMT) assembly lines with automated testing stations. Suppliers leverage localized access to semiconductor drivers (e.g., TM1637, MAX7219), PCB fabrication services, and injection-molded housings to achieve rapid prototyping and scalable output.
The industrial cluster supports high-volume production at competitive pricing due to reduced logistics overhead and standardized component sourcing. Most manufacturers operate lean facilities optimized for low-power digital displays, achieving typical lead times of 7–15 days for sample orders and 15–25 days for bulk shipments. Buyers benefit from flexible MOQ policies, with some suppliers offering single-unit sampling, while others require 10–50 pieces for initial orders. This infrastructure also facilitates customization in digit count (4-digit standard), color (red, green, yellow, blue), and voltage compatibility (3.3V/5V).
How to Evaluate 7 Segment Display I2C Arduino Suppliers?
Procurement decisions should be guided by structured supplier assessment across technical, operational, and transactional dimensions:
Technical Compatibility & Design Validation
Confirm integration readiness with Arduino platforms via documented libraries (e.g., Wire.h for I2C). Verify pinout configuration, operating voltage range, and firmware support for multiplexing control. Demand datasheets specifying brightness (measured in mcd), viewing angle (>120° preferred), and current draw per segment. For custom applications, assess supplier capability to modify PCB layout or integrate additional features such as colon indicators or alarm outputs.
Production and Quality Assurance Practices
Evaluate key operational metrics indicative of process stability:
- On-time delivery rate exceeding 95% as a proxy for supply chain reliability
- Average response time under 6 hours for technical inquiries
- Reorder rate above 20% suggesting customer satisfaction
While formal ISO 9001 certification is not universally declared, consistent performance indicators—such as 100% on-time delivery and sub-2-hour response times—signal strong internal quality management.
Transaction Security and Sampling Protocols
Prioritize suppliers with transparent pricing structures and verifiable transaction histories. Utilize secure payment mechanisms where available to mitigate risk during first-time procurement. Request physical or digital samples to validate display clarity, solder joint quality, and I2C address configurability before scaling orders. Assess packaging methods for electrostatic discharge (ESD) protection, especially for surface-mount variants.
Top 7 Segment Display I2C Arduino Suppliers: Performance Overview
| Company Name | Main Products (Listings) | Online Revenue | On-Time Delivery | Avg. Response | Reorder Rate | Min. Order Quantity | Price Range (USD) |
|---|---|---|---|---|---|---|---|
| Shenzhen Yike Technology Co., Ltd. | Other Electronic Modules and Kits (857) | US $10,000+ | 100% | ≤2h | 22% | 10 pcs | $0.69–$1.35 |
| Shenzhen Kaisheng Century Electronics Co., Ltd. | Other Electronic Components (857) | US $160,000+ | 100% | ≤2h | 15% | 1–50 pcs | $0.03–$5.10 |
| Shenzhen Lonten Technology Co., Limited | Other Electronic Components (2,637) | US $140,000+ | 91% | ≤7h | 27% | 1 pc | $1.00–$5.10 |
| Shenzhen Tengwei Electronic Technology Co., Ltd. | Electronic Modules (58) | US $90,000+ | 98% | ≤1h | 21% | 2–10 pcs | $0.04–$1.20 |
| Shenzhen Ruised Technology Co., Ltd. | Other Electronic Modules and Kits (4,159) | US $80,000+ | 98% | ≤6h | <15% | 1–10 pcs | $0.10–$2.80 |
Performance Analysis
Shenzhen Yike Technology stands out for reliability with a perfect on-time delivery record and competitive pricing starting at $0.69 per unit. Shenzhen Kaisheng offers the lowest per-unit cost ($0.03 for single digits) but has a lower reorder rate, indicating potential gaps in post-sale experience. Shenzhen Lonten leads in customer retention (27% reorder rate) despite slower response times, suggesting robust product quality. Tengwei excels in responsiveness (≤1h) and cost efficiency, making it suitable for urgent development cycles. Ruised provides broad module variety and flexible MOQs, though its sub-15% reorder rate may reflect market competitiveness rather than quality concerns.
FAQs
What are common driver ICs used in 7 segment I2C Arduino displays?
The TM1637 and MAX7219 are the most widely adopted controller ICs. TM1637 is favored for 4-digit modules due to its simplicity and direct I2C compatibility, while MAX7219 supports daisy-chaining and advanced brightness control via SPI or I2C adapters.
What is the typical minimum order quantity?
MOQ varies by supplier and model. Standard ranges are 1–10 pieces for assembled modules and 50+ pieces for bare LED segments. Some vendors offer no MOQ for prototype-stage buyers.
Are these displays compatible with Arduino Uno and Nano?
Yes, all listed products are designed for compatibility with standard Arduino boards using the Wire library. Pull-up resistors are typically integrated on the I2C backpack, simplifying connection to A4 (SDA) and A5 (SCL) pins.
Do suppliers provide technical documentation and code examples?
Most suppliers include basic wiring diagrams and link to open-source Arduino libraries. Advanced support—such as custom firmware or multi-display synchronization—should be confirmed prior to ordering.
Can I request custom configurations?
Yes, many suppliers support modifications including digit size (0.28" to 0.56"), color variation, and custom PCB labeling. Minimum volumes for customization typically start at 500 units, with NRE fees applying for new molds or layouts.
