Medical Wearable Firmware

Medical Devices

Clinical-grade wearable device for continuous health monitoring including ECG, SpO2, and body temperature, with secure data transmission to healthcare systems.

Key Features

ECG monitoring
SpO2 measurement
Body temperature tracking
HIPAA-compliant data handling
Medical-grade accuracy
Continuous monitoring

Firmware Components

  • AFE driver (ECG/PPG)
  • Signal processing algorithms
  • Encrypted BLE services
  • FDA-compliant data logging
  • Secure bootloader
  • Battery management

Recommended Hardware

nRF52833

Full-featured BLE 5.4 + 802.15.4 SoC with 512KB Flash, 128KB RAM, USB, and NFC. Offers extended-range BLE (Coded PHY) and mid-range capability between nRF52832 and nRF52840.

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nRF52840

Advanced multiprotocol SoC with 1MB Flash, 256KB RAM, and USB support. The go-to chip for Bluetooth 5.4, Thread, Zigbee, and 802.15.4 applications.

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nRF5340

Dual-core Bluetooth 5.4 SoC with dedicated application and network processors. 1MB Flash + 512KB RAM on the application core, with hardware security via ARM TrustZone.

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nRF54L10

Mid-range nRF54L series SoC combining ARM Cortex-M33 with a RISC-V co-processor. 1MB Flash and 128KB RAM with BLE 5.4, targeting wearables and connected sensors.

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nRF54L15

Next-generation ultra-low-power Bluetooth 5.4 SoC with RISC-V and ARM Cortex-M33 cores. Designed for ultra-constrained battery-powered devices.

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nRF54LM20

The flagship nRF54L series SoC built on a 22nm process, featuring a 128 MHz ARM Cortex-M33 + RISC-V co-processor with 2MB Flash and 512KB RAM — the largest memory in the nRF54L family. Supports Bluetooth LE, Matter, Thread, Zigbee, and 2.4 GHz proprietary protocols up to 4 Mbps. The nRF54LM20A variant adds 66 GPIOs and high-speed USB; the nRF54LM20B adds an integrated Axon NPU for hardware-accelerated Edge AI inference. Security includes TrustZone, CRACEN cryptographic engine with side-channel protection, and tamper detection.

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STM32L4

Ultra-low-power ARM Cortex-M4 series optimized for battery-operated applications. Features multiple low-power modes and efficient wake-up capabilities.

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Works With Your AI Coding Tool

FirmwareMaestro generates .cursorrules and context files optimized for these AI coding tools:

Claude Code
Cursor
GitHub Copilot
Windsurf
Codex CLI

Frequently Asked Questions

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