Specifications • Syntiant® NDP120 Neural Decision Processor™ (NDP): 1x Syntiant Core 2™ Ultra-Low-Power Deep Neural Network Inference Engine/1x HiFi 3 Audio DSP/1x Arm® Cortex® M0 Core with up to 48 MHz • Nordic Semiconductor nRF52832 (64-MHz Arm® Cortex M4) • 512 KB Flash/64 KB SRAM/16-MB SPI Flash for storage/48-KB SRAM specifically for NDP120 • High-performance microphone (IM69D130) • 6-axis IMU (BMI270) • 3-axis magnetometer (BMM150) • 1x I2C bus (with ESLOV connection) • 1x serial interface • 1 x GPIO • 2x IDEs • Programmable I/O voltage from 1.8 - 3.3 V. • High-speed USB (500 Mbps) • PIN header • 3.7-V Li-Po battery with integrated charger • Bluetooth® Low Energy • External microphone connector Useful external links • https://docs.arduino.cc/ (Documentation) • https://forum.arduino.cc/ (Forum) https://elecena.pl/product/22526402/abx00061-arduino-pro-nicla-voice-nrf52832 2023-02-02 https://elecena.pl/product/22526402/abx00061-arduino-pro-nicla-voice-nrf52832 2023-04-28 https://elecena.pl/product/22526402/abx00061-arduino-pro-nicla-voice-nrf52832 2023-10-01 https://elecena.pl/product/22526402/abx00061-arduino-pro-nicla-voice-nrf52832 2023-12-06 https://elecena.pl/product/22526402/abx00061-arduino-pro-nicla-voice-nrf52832 2024-06-22 https://elecena.pl/product/22526402/abx00061-arduino-pro-nicla-voice-nrf52832 2025-02-08 https://elecena.pl/product/22526402/abx00061-arduino-pro-nicla-voice-nrf52832 2025-04-07 https://elecena.pl/product/22526402/abx00061-arduino-pro-nicla-voice-nrf52832 2025-11-28 https://elecena.pl/product/22526402/abx00061-arduino-pro-nicla-voice-nrf52832 2026-01-10