eNCARD-i (Bluetooth) (EM) Standard

The eNCARD-i (Bluetooth) (EM) Standard is a wireless Bluetooth-enabled embedded module designed for IoT applications, industrial automation, and embedded systems requiring reliable short-range wireless connectivity. Electronics engineers, embedded systems developers, and automation technicians use this module to integrate Bluetooth communication into microcontroller-based projects without extensive RF design expertise. This product solves the critical challenge of adding wireless connectivity to legacy systems and new embedded platforms while maintaining low power consumption and minimal PCB footprint.

Product Overview

The eNCARD-i (Bluetooth) (EM) Standard operates on the Bluetooth 4.0 (BLE) protocol, enabling energy-efficient wireless communication within 100-meter range depending on environmental conditions and antenna configuration. This module features a pre-certified RF design that eliminates the need for complex electromagnetic compatibility testing, allowing rapid prototyping and production deployment. The embedded firmware supports both master and slave modes, making it versatile for point-to-point and multi-node network architectures commonly found in wearable devices, health monitoring systems, and industrial IoT applications.

The module integrates a 32-bit ARM Cortex-M0 processor running at 16 MHz, 256KB flash memory for application code, and 32KB RAM for runtime operations. Its low quiescent current consumption of approximately 2-5 microamps in sleep mode and 8-12 milliamps during active transmission makes it ideal for battery-powered applications. The standard variant includes UART, SPI, and GPIO interfaces for seamless integration with existing microcontroller platforms, supporting standard baud rates from 9600 to 115200 bps.

Key Specifications

Specification	Details
Product Type	Bluetooth Low Energy (BLE) Wireless Module
Brand	eNCARD
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Bluetooth Standard	Bluetooth 4.0 LE (Low Energy)
Operating Frequency	2.4 GHz ISM Band
Transmission Range	100 meters (open space, line-of-sight)
Data Rate	1 Mbps (Bluetooth LE)
Processor	ARM Cortex-M0, 16 MHz
Memory	256KB Flash, 32KB RAM
Power Consumption	Sleep: 2-5 uA, Active TX: 8-12 mA
Interfaces	UART, SPI, GPIO, I2C
Operating Voltage	3.0V to 3.6V (typical 3.3V)
Temperature Range	-40°C to +85°C
Package Type	Surface Mount (SMD), 48-pin QFN

Key Features

• Certified Bluetooth 4.0 LE compliance ensuring compatibility with iOS, Android, and Windows devices without additional certification overhead
• Ultra-low power consumption with sleep mode drawing only 2-5 microamps, extending battery life in portable applications to months or years
• Dual-mode operation supporting both central and peripheral roles, enabling flexible network topologies for mesh networking and multi-device scenarios
• Integrated antenna with impedance matching network, eliminating the need for external RF components and reducing design complexity
• Hardware AES-128 encryption engine providing secure communication for sensitive IoT and healthcare applications
• Pre-loaded bootloader supporting firmware updates via UART or wireless OTA (Over-The-Air) updates

Applications and Use Cases

• Wearable Health Monitoring: Integration into smartwatches, fitness trackers, and medical alert devices for real-time biometric data transmission to smartphones and cloud platforms
• Industrial IoT Sensors: Deployment in wireless sensor networks for temperature, humidity, and pressure monitoring in manufacturing facilities and smart buildings
• Home Automation Control: Implementation in smart lighting systems, door locks, and HVAC controllers requiring low-latency wireless control from mobile applications
• Asset Tracking Systems: Integration into GPS-enabled trackers and beacon devices for real-time location monitoring in logistics, supply chain, and retail environments
• Medical Devices: Use in patient monitoring systems, glucose meters, and diagnostic equipment requiring secure wireless connectivity compliant with healthcare regulations

How to Use

Begin by connecting the eNCARD-i module to your development platform using the UART interface at 115200 baud rate. The module operates in command mode by default, accepting AT commands for configuration of device name, transmission power, and advertising parameters. Use the provided AT command set to configure the Bluetooth address, set security parameters including PIN and encryption keys, and establish pairing with target devices. The module supports both simple command-line configuration and advanced firmware customization through the integrated bootloader.

For embedded integration, connect the UART TX and RX pins to your microcontroller, and configure GPIO pins for control signals such as reset and mode selection. The module enters low-power sleep mode automatically when not advertising or connected, consuming minimal current from your power supply. Use the SPI interface for high-speed data transfer if UART bandwidth becomes a bottleneck in data-intensive applications. Implement proper decoupling capacitors (10uF and 100nF) near the power pins and maintain 50-ohm impedance traces for antenna connections to ensure optimal RF performance and regulatory compliance.

Frequently Asked Questions

What is the maximum data throughput of the eNCARD-i (Bluetooth) (EM) Standard?

The module supports a theoretical maximum throughput of 1 Mbps according to Bluetooth 4.0 LE specifications. However, practical throughput depends on connection interval settings, packet size, and air time utilization. Typical application throughput ranges from 20-100 kbps when accounting for protocol overhead, acknowledgment packets, and connection establishment time. For applications requiring higher throughput, consider using multiple parallel connections or implementing data compression techniques.

Can the eNCARD-i module be reprogrammed with custom firmware?

Yes, the module features a pre-loaded bootloader that supports firmware updates via UART using standard binary upload protocols. Advanced users can develop custom firmware using the provided SDK and ARM Cortex-M0 development tools. Over-The-Air (OTA) firmware updates are also supported, allowing remote device updates in deployed applications. Contact our technical support team for bootloader documentation and firmware development guidelines specific to your application requirements.

What security features does this module provide for sensitive applications?

The eNCARD-i includes hardware-accelerated AES-128 encryption for payload protection, Bluetooth pairing with PIN authentication, and support for bonding to maintain security across reconnections. The module implements Bluetooth Core Specification Security requirements including link-layer encryption and application-level security protocols. For healthcare and financial applications, implement additional application-layer encryption and certificate-based authentication using the available cryptographic hardware.

How long will battery last in a typical IoT application using this module?

Battery life depends on duty cycle, advertising interval, and transmission power settings. In typical beacon applications with 1-second advertising intervals and 0 dBm transmission power, a 100 mAh battery can provide 6-12 months of operation. For connected applications with continuous data streaming, battery life reduces to days or weeks. Use the power consumption calculator provided in the datasheet to estimate battery life for your specific configuration and advertising parameters.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy eNCARD-i (Bluetooth) (EM) Standard Online in India

Purchase the eNCARD-i (Bluetooth) (EM) Standard online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on eNCARD-i (Bluetooth) (EM) Standard with fast shipping and expert support.

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