Reference / Hardware
Embedded wireless development platforms: evaluate the interface
A development platform should shorten validation, not hide system choices. Separate radio module, host processor, input and output interfaces, power design, firmware toolchain and certification responsibilities for the finished product.
Assess the hardware boundary
List sensors, actuators, serial buses, analogue inputs, antenna connection and power states. Confirm voltage levels, reset behaviour, debug access and consequences of a host restart.
The antenna is part of the system. Enclosure material, ground plane, cable loss and orientation can change performance. A development-board result is not proof for a finished enclosure.
Assess software and compliance
Ask how firmware is built, signed, updated, rolled back and diagnosed. Define device identity, commissioning and fault logs. A usable demonstration is not a maintainable product.
Radio operation and marketing can bring jurisdiction-specific requirements. Confirm rules for the finished product and location rather than carrying forward a legacy module claim.
Prepare the production handoff
A prototype should leave reproducible source code, build instructions, programming access, test fixtures and a parts record. Without them, a successful demonstration cannot be repaired or reproduced.
Review the finished enclosure and power supply as part of the radio test. Integration can invalidate assumptions made on the development bench.