Battery-powered smart pet collar PCB with ESP32-class wireless MCU, GPS, heart sensing, temperature, motion sensing, microphone, USB programming, and mobile-app data connectivity.

Automotive dashboard-mounted AI driver safety device with Raspberry Pi CM4, Coral Edge TPU, dual CSI cameras, GPS, LTE, WiFi/Bluetooth, motion sensing, audio alerts, 12V vehicle input, LiPo backup, and 4-layer controlled-impedance PCB requirements.

24 V DC powered ESP32-C6 Matter/Thread WiFi/BLE environmental presence sensor with USB-C programming, mmWave/PIR motion sensing, temperature, humidity, light and air-quality sensing, plus optional Li-ion battery and solar charging power path.

Compact wearable smart cat collar PCB focused on ultra-low power, miniaturized size, curved-edge waterproof-friendly mechanical fit, GNSS tracking, motion sensing, RFID compatibility, Li-ion charging, and robust mass-production readiness.

Wearable health device prototype schematic with ECG sensing via AD8232, motion sensing via BNO085 or BMI270 IMU breakout, on-board processing using TI TM4C123G LaunchPad or MSPM0G3507 LaunchPad, optional ESP8266 Wi-Fi, LiPo battery charging with MCP73831, regulated 3.3 V power from TPS63031 buck-boost or AP2112 LDO prototype option, and user interfaces including electrode connector, JST battery connector, programming header, and optional on/off switch.