ESP32C3: 32bit RISCV CPU with a floating point unit (FPU) for 32bit singleprecision operations, delivering strong computing power for IoT tasks. ESP32C3_XIAO development board: expressbased IoT mini development board with an onboard ESP32C3FH4WiFi/Bluetooth dualmode chip. Connectivity and performance: delivers performance with a rich interface set. Supports IEEE802.11b/g WiFi and Bluetooth 5 (LE), and includes a ceramic antenna to increase the signal strength of wireless applications. XIAO ESP32C3 positioning: a performance, lowpower, and costeffective IoT microtype development board suitable for lowpower IoT applications and wireless wearable applications. Use scenarios: Smart home devices requiring reliable WiFi and BLE connectivity, such as sensors, controllers, and presence detectors. Batterypowered remote monitoring and data logging in industrial or agricultural environments where low power is essential. Wireless wearable devices and healthtracking accessories that need Bluetooth LE data transfer.