Heltec Automation Automation CubeCell AB02A LoRaWAN Node ASR6502 433MHz w/ Battery
Heltec Automation Automation CubeCell AB02A LoRaWAN Node ASR6502 433MHz w/ Battery - Image 2
Heltec Automation Automation CubeCell AB02A LoRaWAN Node ASR6502 433MHz w/ Battery - Image 3
SKU: IOWC-1734
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Heltec Automation Automation CubeCell AB02A LoRaWAN Node ASR6502 433MHz w/ Battery

₹1,959.00 (Inclusive of all taxes)
Out of Stock

The Heltec Automation CubeCell AB02A is an Arduino-compatible LoRaWAN node development board based on the ASR6502 SoC, integrating an ARM Cortex-M0+ MCU and SX1262 transceiver for ultra-low-power 433MHz wireless sensor applications.

Features

  • Ultra-Low Power ASR6502 SoC integrates ARM Cortex-M0+ MCU and SX1262 LoRa transceiver for efficient 433MHz LoRaWAN 1.0.2 communication.
  • Deep Sleep current of just 3.5µA extends battery life, ideal for remote, long-term deployments using the onboard 1/2 AA battery holder.
  • Full Arduino compatibility simplifies firmware development and rapid prototyping for IoT sensor nodes.
  • Integrated CP2102 USB-to-serial chip and Micro USB port provide easy programming, debugging, and power with automatic USB/battery switching.
  • Robust RF design with SMA antenna connector and included glue rod antenna ensures good impedance matching and extended communication range.

Out of stock

Description

The Heltec Automation Automation CubeCell AB02A is a specialized development board engineered for building robust, battery-powered LoRaWAN sensor nodes. Its core is the ASR6502 system-on-chip, which combines a 48MHz ARM Cortex-M0+ microcontroller with a Semtech SX1262 LoRa transceiver, creating a highly integrated and power-optimized wireless platform. This architecture enables stable execution of the LoRaWAN 1.0.2 protocol stack while maintaining exceptional energy efficiency, crucial for field deployments.

The board’s design prioritizes developer convenience and field reliability. It features a comprehensive set of 16 GPIO pins broken out on 2.54mm headers, a dedicated SMA connector for external antenna attachment, and a built-in holder for a 1/2 AA lithium battery. The integrated CP2102 USB bridge, coupled with full ESD and short-circuit protection on the Micro USB port, ensures safe and straightforward firmware flashing and serial monitoring. This combination of low-power radio, Arduino ecosystem support, and ready-to-deploy form factor makes the AB02A an excellent choice for prototyping and scaling IoT solutions in smart agriculture, environmental monitoring, and asset tracking.

Key Features

  • Arduino-Compatible LoRaWAN Node based on ASR6502 (ARM Cortex-M0+ & SX1262).
  • Certified for CE and FCC compliance, ensuring reliable operation in regulated markets.
  • Ultra-low power design with deep sleep current as low as 3.5µA for maximum battery longevity.
  • Onboard 1/2 AA battery holder supports non-rechargeable lithium cells, with automatic power switching to USB when connected.
  • Integrated CP2102 USB-to-Serial converter for seamless programming and debug output via Micro USB.
  • Robust RF shielding and impedance matching for optimized 433MHz LoRa performance and extended range.
  • Comprehensive ESD and short-circuit protection on the USB interface enhances board durability.
  • Rich I/O breakout with multiple 2.54mm pin headers for connecting sensors, displays, and peripherals.

Applications

  • Remote environmental sensing (temperature, humidity, air quality).
  • Smart agriculture and irrigation monitoring (soil moisture, tank levels).
  • Asset tracking and logistics management with geolocation data.
  • Industrial IoT (IIoT) telemetry for equipment health monitoring.
  • Smart city infrastructure monitoring (waste management, parking sensors).

Technical Specifications

Microcontroller/SoCASR6502 (48 MHz ARM Cortex-M0+ MCU integrated with SX1262)
Wireless ProtocolsLoRa, LoRaWAN 1.0.2
Frequency Range433MHz
RF Transmit PowerNot Specified (SX1262 typical up to +22 dBm)
Supply VoltageBattery (1/2 AA Lithium) or USB 5V
Operating Current / Sleep CurrentDeep Sleep: 3.5 µA
InterfacesMicro USB, SMA Antenna Connector, 16x GPIO on 2.54mm headers
USB-to-Serial ChipCP2102
Antenna ConnectorSMA (female)
Operating Temperature-20°C to 70°C
DimensionsApprox. 6 x 6 x 2 cm

Frequently Asked Questions

How do I program the Heltec Automation AB02A board?

Install the CubeCell board support package via the Arduino IDE Board Manager. Connect the board via the Micro USB port, which uses the integrated CP2102 chip. Select 'CubeCell-AB02A' as the target board and the correct COM port. You can then upload standard Arduino sketches or LoRaWAN example code provided in the Heltec Automation libraries. The USB port also provides serial debug output.

What type of battery should I use, and how is it connected?

Use a non-rechargeable 1/2 AA lithium chlorine sulfite battery (e.g., ER14250). Insert it into the onboard battery holder. The board features automatic power source switching; connecting USB power will override the battery. For external battery packs, use the provided SH1.25 2-pin connector. Note: The onboard holder does not support charging, so only use primary (non-rechargeable) cells.

How do I connect an external antenna to improve range?

Unscrew and remove the included glue rod antenna from the SMA connector. Screw on any 433MHz LoRa antenna with an SMA male connector that has a 50-ohm impedance for proper matching. Ensure the antenna is tuned to the 433MHz band. The integrated RF front-end and shielding on the AB02A are designed to work with external antennas to maximize communication distance in your LoRaWAN network.

What is the power consumption in active and sleep modes?

The board is optimized for ultra-low power operation. In deep sleep mode, controlled by the ASR6502 MCU, consumption is approximately 3.5 microamps (µA), which is critical for battery life. Active current depends on the LoRa transmission power and MCU activity, typically in the tens of milliamps during radio TX/RX. Use the provided Arduino libraries to manage sleep/wake cycles and configure the SX1262's low-power modes effectively.

Which LoRaWAN regions and frequencies does the AB02A support?

This specific model is configured for the 433MHz frequency band, commonly used in LoRaWAN regions like EU868 (though EU uses 868MHz, 433 is used in other areas). The Semtech SX1262 radio is software-configurable. You must compile your LoRaWAN stack (e.g., using the Arduino LMIC or MCCI Catena libraries) with the correct regional settings (e.g., AS923, AU915) and center frequency to match your local LoRaWAN gateway network.

Package Includes

  • 1 x CubeCell AB02A 1/2AA Node Development Board
  • 1 x Glue Rod Antenna
  • 1 x SH1.25×2 Battery Connector

Additional Information

Weight 0.025 kg
Dimensions 6 × 6 × 2 cm

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