Arduino Primo Core A000138

The Arduino Primo Core A000138 is a powerful microcontroller development board designed for IoT and wireless projects. Based on the Nordic nRF52832 ARM Cortex-M4F processor, it offers Bluetooth Low Energy (BLE 4.0) and NFC connectivity, making it ideal for smart home, wearable, and sensor applications. The board integrates an accelerometer/gyroscope (LSM6DS3), temperature/humidity sensor (HTS221), and pressure sensor (LPS25HB), enabling advanced environmental sensing without external components.

Advantages

With 512 KB flash memory and 64 KB SRAM, the Primo Core provides ample space for complex sketches. Its 14 digital I/O pins (all PWM capable) and 8 analog inputs offer flexibility for various peripherals. The onboard Li-Po battery connector (JST PHR-2) allows portable operation, while the micro USB port simplifies programming and power supply.

Suitable for

• IoT and wireless sensor networks
• Wearable devices and smart home automation
• Educational projects and prototyping
• Environmental monitoring with integrated sensors

Key specifications

• Microcontroller: Nordic nRF52832 (ARM Cortex-M4F, 64 MHz)
• Flash Memory: 512 KB
• SRAM: 64 KB
• Operating Voltage: 3.3V
• Digital I/O Pins: 14 (all PWM)
• Analog Input Pins: 8 (10-bit ADC)
• Wireless: Bluetooth Low Energy (BLE 4.0), NFC
• USB Connector: Micro USB
• Battery Connector: JST PHR-2 (Li-Po)
• Onboard Sensors: LSM6DS3 (accelerometer/gyroscope), HTS221 (temperature/humidity), LPS25HB (pressure)

Recommendations

The Arduino Primo Core is an excellent choice for developers seeking a compact, feature-rich board with integrated sensors and BLE connectivity. Its compatibility with the Arduino IDE ensures a smooth programming experience. For best results, pair with a compatible Li-Po battery and use the onboard sensors for data logging or environmental control projects.