PCB design: compact wearable (ESP32-S3 + nRF9160 LTE-M/GNSS + PPG sensor), 4-layer, JLCPCB assembly

Budget: $250 - $750 CAD, Jobs: Antenna Design, Circuit Design, Electronics, Embedded Sys
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Antenna Design, Circuit Design, Electronics, Embedded Systems, Internet of Things (IoT), PCB Layout, Radio Frequency Engineering, Sensor Integration

PCB design: compact wearable (ESP32-S3 + nRF9160 LTE-M/GNSS + PPG sensor), 4-layer, JLCPCB assembly I am developing a wrist-worn safety bracelet for elderly people (fall detection, SOS button, two-way voice calls, GPS, heart rate / SpO2 / skin temperature display)... (Budget: $250 - $750 CAD, Jobs: Antenna Design, Circuit Design, Electronics, Embedded Systems, Internet of Things (IoT), PCB Layout, Radio Frequency Engineering, Sensor Integration)

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