Product Highlights: Why Choose ESP32C3SuperMini? Dual Wireless Connectivity: Supports IEEE 802.11 b/g/n WiFi / Bluetooth 5.0 LE compatible with stable IoT data transmission, perfect compatible with smart home, wearable devices, and wireless control projects. Powerful RISC-V CPU: 32-bit RISC-V processor with built-in FPU Floating-Point Unit – enables 32-bit single-precision floating-point operations, delivering strong computing performance compatible with complex tasks. Enhanced Signal Strength: Equipped with an external antenna to boost WiFi/Bluetooth signal, solving weak connectivity issues in long-distance or complex environments. Ultra-Small / Compact Design: Only 22.52/18mm thumb-sized! with single-sided SMD Surface Mount Device layout – easy to embed into small devices like wearables, mini sensors, or space-limited IoT projects. Low Power Consumption: Optimized power management, ideal compatible with battery-powered applications deep sleep current as low as /43μA – extends device runtime significantly. Core Specifications Category Details CPU ESP32-C3 32-bit RISC-V, up to 160MHz, with FPU Wireless WiFi 802.11 b/g/n 2.4GHz ; Bluetooth 5.0 LE Memory 400KB SRAM, 384KB ROM, Built-in 4MB FLASH I/O Interfaces 11x Digital I/O supports PWM ; 4x Analog I/O supports ADC Serial Interfaces UART, I2C, SPI 3 core serial protocols compatible with sensor/module connection On-Board Buttons Reset Button / Bootloader Mode Button easy compatible with firmware flashing On-Board LED Blue LED connected to GPIO8 pin, compatible with status indication Size 22.52/18mm ultra-mini, fits wearable devices Security Hardware encryption accelerator AES-128/256, Hash, RSA, HMAC, Secure Boot – protects data safety. Ideal Applications IoT Projects: Smart sensors, wireless data collectors, home automation controllers. Wearable Devices: Fitness trackers, smart bracelets, mini health monitors. Wireless Control: Remote controls compatible with lights, appliances, or robots. Low-Power Devices: Battery-powered sensors, long-term environmental monitoring devices. What You Get 1 / ESP32C3SuperMini Development Board Ready to use – no extra components needed compatible with basic testing! Why Buy From Us? / Genuine ESPressif ESP32-C3 Chip – stable performance, no counterfeits. Add to Cart Now and start your IoT project with this high-performance, ultra-small development board!