JULY 2026 I I-CONNECT007 MAGAZINE 97
can simultaneously capture cardiac rhythm, core
temperature, hydration status through sweat elec-
trolyte sensors, and the biomechanical strain pat-
terns of specific muscle groups. Coaching staff
receive this data in real time, enabling fatigue mod-
eling and injury prediction that was simply not pos-
sible with wrist-worn devices alone.
In industrial and military contexts, smart textiles
take on life-safety roles. Firefighting gear with
embedded flex sensors can monitor core body
temperature and alert a firefighter or their
commander to dangerous heat stress before
cognitive impairment sets in. Military uniforms with
embedded biometric systems can relay a soldier's
physiological status to field medics during combat
operations.
Remaining Challenges
Washability remains the central engineering chal-
lenge. Consumer garments face hundreds of wash
cycles over their lifetimes, each one a mechanical
and chemical assault on delicate electronic compo-
nents. Encapsulation strategies using flexible sili-
cone overmolding and waterproof conformal coat-
ings have extended wash cycle ratings dramatically,
with some commercial products now rated to 50 or
more machine wash cycles.
Summary
The convergence of flex PCB manufacturing with
advances in conductive yarn, stretchable sub-
strates, and low-power Bluetooth has brought
smart textiles to the edge of mass-market viability.
Within this decade, the shirt that knows your heart
rate better than any watch may be as unremarkable
as the smartphone in your pocket. I-CONNECT007
Anaya Vardya is president and CEO of American
Standard Circuits; co-author of The Printed Circuit
Designer's Guide to… Funda-
mentals of RF/Microwave
PCBs and Flex and Rigid-
Flex Fundamentals. He
is the author of Thermal
Management: A Fabri-
cator's Perspective, The
Printed Circuit Designer's
Guide to DFM Essen-
tials, and The Companion
Guide to Flex and Rigid-Flex Fundamentals.
Visit I-007eBooks.com to download these and
other free, educational titles.
From Prototype to Production
New Guideline Helps Industry Design, Integrate
and Scale Reliable E-Textile Systems
The Global Electronics Association an-
nounces Fundamentals and Best Practic-
es for E-Textile System Development, a new
next-generation guideline that pro-
vides a structured framework for
the design, testing and deployment
of e-textiles systems.
As e-textiles increasingly move
from prototype to production, devel-
opment teams face unique challeng-
es, requiring coordination among
disciplines that often use different
design approaches, terminology,
performance expectations and test
methods. Developed by a global group of in-
dustry experts, this guideline establishes a com-
mon technical foundation for e-textiles; covering
materials selection, integration meth-
ods, interconnection approaches,
reliability, testing, cybersecurity, and
sustainability. It serves as an edu-
cational resource for organizations
seeking to better understand e-tex-
tiles technologies, bridging knowl-
edge gaps between textiles and elec-
tronics industries.
Continue reading here.
