Heltec CubeCell AM02 Module Plus
Ultra-compact LoRa/LoRaWAN module based on the ASR6502 SoC (ARM Cortex-M0+ @ 48MHz + SX1262), designed for SMT integration into custom IoT sensor nodes with 3.5uA deep sleep current.
$11.90
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Specifications
Certifications
Components
Integrated SoC combining a PSoC 4000 series ARM Cortex-M0+ MCU at 48MHz with 128KB flash and 16KB SRAM, plus a Semtech SX1262 LoRa transceiver. Features 8-channel DMA, 12-bit ADC, and 3.5uA deep sleep.
Semtech SX1262 long-range, low-power sub-GHz RF transceiver supporting LoRa and FSK modulation from 150MHz to 960MHz. Maximum TX power +22dBm with -148dBm sensitivity.
Bus Interfaces
GPIO Map
Overview
The Heltec CubeCell AM02 Module Plus (HTCC-AM02) is an ultra-compact LoRa/LoRaWAN module built around the ASR6502 system-on-chip, which integrates an ARM Cortex-M0+ MCU from the Cypress PSoC 4000 series with a Semtech SX1262 LoRa transceiver. Measuring just 20.4 x 20.4 x 3mm with a weight of only 2g, it is designed for direct SMT integration into custom PCBs via its 1.27mm stamp-edge castellated pads.
The module supports LoRaWAN 1.0.2 protocol with a maximum transmit power of +21dBm and receiving sensitivity down to -135dBm, enabling communication ranges of up to 10+ miles in rural line-of-sight conditions. With a deep sleep current consumption of just 3.5uA, it is purpose-built for battery-powered field deployments where devices must operate for months or years on a single charge.
The AM02 offers 16 general-purpose GPIO pins, 3 channels of 12-bit ADC, two UART interfaces, SPI, I2C, PWM outputs, and an 8-channel DMA engine. It is fully Arduino-compatible through Heltec's CubeCell-Arduino framework and supports AT transparent transmission commands for integration without custom firmware development. The IPEX antenna connector allows use of external LoRa antennas for optimal range in deployed installations.
Use Cases
6LoRaWAN Sensor Node
Build a long-range, low-power sensor node that communicates over LoRaWAN networks like The Things Network or Helium.
Environmental Monitoring
Monitoring environmental conditions like temperature, humidity, air quality, and weather data using remote sensors.
Asset Tracking
Tracking the location and status of physical assets like vehicles, packages, and equipment.
Soil Monitoring
Monitors soil moisture, temperature, and nutrient levels for agriculture and gardening applications.
Irrigation Control
Controlling irrigation systems based on real-time soil moisture sensor data to conserve water and maintain optimal plant health.
Weather Station
A device that displays current weather conditions and forecasts, typically using WiFi to fetch data from weather APIs.
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