Board Description
An ESP32-S3 SOC baseboard for NFC reading and IOT system. The client requested for an IOT-capable board that can interface with custom NFC antenna for gym equipment rep tracking and predictive maintenance metrics.
RF
ESP32-S3R8 ST25R3916B Baseboard
A production-focused PCB design from Volteon SG, engineered for reliable performance and manufacturing readiness in Singapore.
- Material
- FR-4 TG135
- Thickness
- 1.6 mm
- Lead time
- 21 days
- Layers
- 4 layer
- RF frequency
- 13.56 MHz, 2.4 GHz
Board documentation
Technical overview
Technical specifications
•Implemented Automatic Antenna Tuning feature using ST25R3916B with variable capacitor so client can swap COTS antenna without redesigning matching network.
•Implemented Johanson 2450AT18A100 ceramic antenna for 2.4GHz Wifi/BLE Telemetry, eliminating bulky trace antenna.
•Implemented LSM6DS3TR 6 Axis Accelerometer / Gyroscope with interrupt pin enabled for motion wake-up and efficient power management.
•Sourced cost effective components to reduce BOM cost by 40%.