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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteThe I-SYST BLYST Nano (IMM-NRF52832-NANO) is a 10 × 7 × 1.6 mm system-on-module built around Nordic Semiconductor’s nRF52832. It combines a 64 MHz ARM Cortex-M4F, Bluetooth 5 Low Energy radio, 30 programmable I/O pins and an embedded ceramic antenna, making it a compact option for wireless sensors and other space-constrained designs.
What is the BLYST Nano?
BLYST Nano is a system-on-module (SoM), not a finished Bluetooth gadget or a complete development board. It puts the nRF52832 wireless microcontroller and supporting components on a small module that can be incorporated into a host PCB. I-SYST describes it as a low-power module for wearable and sensor applications, as well as control and automation projects. I-SYST’s product page
The module’s 10 × 7 × 1.6 mm dimensions include an embedded ceramic antenna. It also integrates crystals, coils and DC/DC support components, reducing the number of wireless-design components the host board needs to accommodate. The module still needs a host circuit board, power and application-specific connections.
Specifications at a glance
| Specification | BLYST Nano detail |
|---|---|
| Model | IMM-NRF52832-NANO |
| Dimensions | 10 × 7 × 1.6 mm |
| Processor | 64 MHz ARM Cortex-M4F with hardware floating point |
| Memory | 512 KB flash and 64 KB SRAM |
| Wireless | 2.4 GHz Bluetooth 5 Low Energy; I-SYST also markets Bluetooth Mesh support |
| Programmable I/O | 30 configurable pins |
| Operating voltage | 1.8–3.6 V, according to I-SYST’s datasheet |
| Antenna and support components | Embedded ceramic antenna; crystals, coils and DC/DC support components are integrated |
| Certification and development | I-SYST lists FCC and CE certification and offers IDAP-Link development and debugging resources |
These figures are from I-SYST’s product information and 2021 BLYST Nano datasheet. Nordic’s nRF52832 documentation also lists 512 KB flash and 64 KB RAM. Nordic Semiconductor nRF52832
#1 Best Overall
- 2.4GHz Dual Mode WiFi + Bluetooth Development Board
- Support LWIP protocol, Freertos
- SupportThree Modes: AP, STA, and AP+STA
- Ultra-Low power consumption, Compatible with Arduino IDE
- ESP32 is a safe, reliable, and scalable to a variety of applications
What can its 30 I/O pins and peripherals do?
The 30 programmable I/O pins give designers flexibility to connect sensors, controls and other board-level components. The nRF52832’s listed peripheral set includes SPI, I2C-compatible two-wire, UART, PWM, a 12-bit ADC, PDM microphone input, NFC-A, RTC, random-number generation, AES and quadrature decoding. Which functions can be used together depends on pin assignment and the design.
This combination can suit a sensor node that reads analog or digital inputs and sends data over Bluetooth, or a compact controller that needs wireless connectivity alongside local inputs and outputs. The number of I/O pins is not a guarantee that every pin can perform every function simultaneously.
Rank #2
- 2.4GHz Dual Mode WiFi + Bluetooth Development Board
- Support LWIP protocol, Freertos;ESP32 is a safe, reliable, and scalable to a variety of applications
- SupportThree Modes: AP, STA, and AP+STA
- Ultra-Low power consumption, Compatible with Arduino IDE
- 1PCS 30Pin ESP32 Development Board 2.4GHz WiFi Dual Cores Microcontroller Integrated with Antenna RF Low Noise Amplifiers Filters
Is it suitable for a wearable or sensor?
Its dimensions, integrated antenna and low-power wireless design make BLYST Nano relevant to wearables and sensors where PCB space is limited. I-SYST also lists smart-home and industrial mesh, smart-city infrastructure, interactive entertainment, gaming controllers, connected health and VR/AR as intended application areas. Those are possible design targets, not assurances about battery life, radio range, medical suitability or performance in a finished product.
Before choosing it, check that the module’s 1.8–3.6 V operating range fits the planned power supply, that the exposed I/O and peripherals cover the design, and that the host board can accommodate the antenna and required RF layout. The module’s integration reduces support-component work; it does not remove the need to design and validate the complete product.
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- 2.4GHz Dual Mode WiFi + Bluetooth Development Board
- Ultra-Low power consumption, works perfectly with the Arduino IDE
- Support LWIP protocol, Freertos
- SupportThree Modes: AP, STA, and AP+STA
- ESP32 is a safe, reliable, and scalable to a variety of applications
What programmer or development tools does it use?
I-SYST documents IDAP-Link as a CMSIS-DAP/JTAG development accessory for programming and debugging ARM Cortex-M devices. Its IDAP-Link information is the relevant starting point for firmware development. Confirm the exact wiring and software requirements against the module and accessory documentation for the setup you plan to use.
For a more complete interface rather than a bare module, I-SYST’s BlueIO832-Mini is built around BLYST Nano and provides configurable UART, I2C, SPI, GPIO, ADC, NFC-antenna and JTAG functions. It is a separate product, not a substitute name for the module. See I-SYST BlueIO832-Mini.
Rank #4
- High-performance dual-core processor – ESP32S is equipped with a powerful dual-core 32-bit CPU with a main frequency of up to 240MHz, providing smooth and efficient computing power for IoT and embedded applications.
- Wi-Fi & Bluetooth dual-mode support – Integrated 2.4GHz Wi-Fi and low-power Bluetooth, supporting wireless data transmission, remote control and smart device connection.
- Rich interfaces and functions – Provides GPIO, UART, SPI, I2C and other interfaces, supports touch sensing, infrared remote control, DAC and other functions, suitable for a variety of electronic projects.
- Low-power design – With multiple power saving modes, supports deep sleep and ultra-low power operation, suitable for battery-powered Internet of Things (IoT) devices and remote monitoring systems.
- Compatible with multiple development environments – Supports for Arduino IDE, for ESP-IDF, for MicroPython and for PlatformIO, easy to develop, suitable for beginners and advanced developers to quickly build smart applications.
How to assess availability and price
Search for “BLYST Nano nRF52832 module” and verify that a listing is for model IMM-NRF52832-NANO, rather than a development board or a related BlueIO product. Crowd Supply showed a $30 purchasing option on a listing crawled in 2018; that is historical information, not a current price or confirmation of stock. Crowd Supply listing
Availability, seller and pricing can change. Check the live listing or contact a distributor before making a design decision, especially if you need a repeatable supply of the same module.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
