Electronic Engineering Blog
Articles, analyses and tools based on ECK’s hands-on experience with hardware, firmware, embedded systems, IoT and certification.
Knowledge grounded in applied engineering.
The blog brings together technical content produced from real projects, tests, analyses and problems found while developing electronic products.
HASL, ENIG or OSP: how to choose a printed circuit board surface finish
Flatness, oxidation protection, use with BGA and fine pitch, cold joints versus poor wetting, and the impact on product cost.
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How does NIBP blood pressure measurement work?
Cuff inflation, deflation valve, pressure sensor, oscillometric pulses and the processing used to obtain SYS, DIA, MAP and pulse rate.
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Micro-energy harvesting and management system for IoT devices
How light, vibration and temperature differences can extend the battery life of sensors and IoT devices.
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Electric vehicle chargers (EVSE): architecture, communication and certification
ISO 15118 and OCPP communication, DC fast charger power electronics, electrical safety, EMC and certification.
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Online air-core coil inductance calculator
Inductance calculator for eight air-core coil configurations, with formulas and dimensions in centimeters.
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Tips for designing and testing antennas in small spaces
Placement, ground plane, matching, VSWR and validation of antennas in compact devices.
Read article →To see these topics applied to real products, explore ECK’s electronic engineering projects.
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