Oscillometric Bluetooth 4.0 Electronic Blood Pressure Monitor Design
Technical overview of an oscillometric Bluetooth 4.0 electronic blood pressure monitor: hardware (pump, sensor, STM32), signal conditioning, Android app, and accuracy results.
Medical Electronics
Power Architecture for Patient-Connected Medical Devices
Technical overview of medical power architecture for patient-connected devices, addressing insulation, EMC, MOPP strategies and patient leakage limits.
Infusion Controller Design Using Shenlianhua MCU
Design of a hanging infusion monitor using a load cell and HX711 ADC to compute remaining infusion time, show progress, alarm on completion, and transmit status wirelessly.
DIY Home Medical Kit: Front-end Amplifier and EMI
Technical overview of a portable ECG front-end amplifier: PCB isolation, shielding, component placement, and IIR/notch digital filters for interference suppression.
Image Control System Design Using 3D Printing
Design and implementation of an embedded framebuffer driver for an FDM 3D printing image control system to print patient-specific bone models for orthopedic surgery.
Differences Between Medical and Consumer Displays
Comparison of medical vs consumer displays covering DICOM Part 14, grayscale depth, luminance, resolution, contrast, response time, safety and certification.
Wearable Medical Device Circuit Design Using Hexiwear
Overview of the Hexiwear wearable development platform, its Kinetis K64F MCU, BLE connectivity, sensor fusion techniques and tools for prototyping IoT wearables.
WiFi Module Circuit Design for Wearable Medical Devices
Guide to prototyping wearable medical devices with off-the-shelf Wi?Fi modules, covering module selection, RF considerations, certification, and development tradeoffs.
Medical power supplies with secondary DC/DC isolation
Technical overview of IEC 60601-1 applied-part power systems, comparing secondary DC/DC isolation and high-power BF/CF supply designs to meet patient leakage current limits.
Single-chip Solution for Infrared Forehead Thermometers
Overview of forehead thermometer design and accuracy factors, covering infrared thermopile sensors, compensation algorithms, and an SD8709 single-chip 24-bit ADC MCU solution.
TS9514 Series Pulse Oximetry Chip Overview
TS951X front-end analog family for finger-clip pulse oximeters: integrated I?F converter, H-bridge LED drive, low-power operation; TS9514 analog and TS9517 digital dimming.
Medical Infrared Thermometry: Principles and Components
Infrared thermometry primer: physical principles, device types (tympanic, forehead, FPA thermal imagers), detector and optics considerations, error sources and compensation methods.
