{"product_id":"esp32-c3-super-mini-development-board-wifi-bluetooth-iot-module","title":"ESP32-C3 Super Mini Dev Board – 2.4G Wi-Fi \u0026 Bluetooth IoT","description":"\n\u003ch2\u003eESP32-C3 Super Mini Development Board with 2.4G Wi-Fi \u0026amp; Bluetooth 5.0\u003c\/h2\u003e\n\u003cp\u003eTake your IoT projects to the next level with the \u003cstrong\u003eESP32-C3 Super Mini Development Board\u003c\/strong\u003e. Powered by a 32-bit RISC-V single-core processor running up to 160 MHz, this ultra-compact module packs serious performance into a thumb-sized form factor — measuring just 22.52 × 18 mm. Whether you're building wearables, smart home devices, or industrial automation systems, this board delivers reliable wireless connectivity and a rich set of interfaces in a tiny package.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePowerful CPU:\u003c\/strong\u003e ESP32-C3 (ESP32C3FN4), 32-bit RISC-V single-core, up to 160 MHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWi-Fi:\u003c\/strong\u003e 802.11 b\/g\/n, 2.4 GHz — supports Station, SoftAP, SoftAP+Station \u0026amp; mixed modes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth:\u003c\/strong\u003e Bluetooth 5.0 for low-energy wireless communication\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Power:\u003c\/strong\u003e Deep sleep current as low as ~43 µA — ideal for battery-powered IoT devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnboard Memory:\u003c\/strong\u003e 400 KB SRAM, 384 KB ROM, built-in 4 MB flash\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Compact Size:\u003c\/strong\u003e 22.52 × 18 mm — perfect for wearables and space-constrained projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRich Interfaces:\u003c\/strong\u003e 1× I2C, 1× SPI, 2× UART, 11× GPIO (PWM), 4× ADC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnboard LED:\u003c\/strong\u003e Blue LED on GPIO pin 8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Security:\u003c\/strong\u003e Crypto hardware accelerator — AES-128\/256, SHA, RSA, HMAC, digital signatures \u0026amp; secure boot\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Power Supply:\u003c\/strong\u003e USB or external 3.3–6 V supply (one at a time)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Single-sided component, surface-mount design (Plastic + Metal)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eESP32C3FN4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcessor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32-bit RISC-V, up to 160 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWi-Fi Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e802.11 b\/g\/n, 2.4 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBluetooth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBluetooth 5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 MB (built-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSRAM \/ ROM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400 KB \/ 384 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGPIO Pins\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11× GPIO (PWM)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eADC Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4× ADC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUART \/ I2C \/ SPI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2× UART, 1× I2C, 1× SPI\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB or 3.3–6 V external\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDeep Sleep Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~43 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.52 × 18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic + Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eHow to Enter Download Mode\u003c\/h3\u003e\n\u003cp\u003ePress and hold the \u003cstrong\u003eBOOT\u003c\/strong\u003e button, then press and release the \u003cstrong\u003eRESET\u003c\/strong\u003e button, then release the \u003cstrong\u003eBOOT\u003c\/strong\u003e button. The board will enter download mode. Note: re-enter download mode each time you reconnect the board.\u003c\/p\u003e\n\n\u003ch3\u003ePower Supply Note\u003c\/h3\u003e\n\u003cp\u003eTo use an external power supply, connect the positive lead to the 5 V pad and GND to the negative pole. \u003cstrong\u003eUSB and external power supply cannot be used simultaneously\u003c\/strong\u003e — select only one at a time.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cp\u003eChoose from the following options at time of purchase:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOption A: 1× ESP32-C3 Super Mini Development Board\u003c\/li\u003e\n  \u003cli\u003eOption B: 1× 2.4G Wi-Fi Antenna\u003c\/li\u003e\n  \u003cli\u003eOption C: 1× ESP32-C3 Super Mini Development Board + 1× 2.4G Wi-Fi Antenna\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eExplore More from Our Store\u003c\/h3\u003e\n\u003cp\u003eLooking for more electronics tools and DIY accessories? Check out these related products:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the ESP32-C3 Super Mini Development Board compatible with for programming?\u003c\/h4\u003e\n\u003cp\u003eA: The ESP32-C3 Super Mini Development Board is compatible with \u003cstrong\u003eESP-IDF\u003c\/strong\u003e (Espressif IoT Development Framework) as well as the \u003cstrong\u003eArduino IDE\u003c\/strong\u003e (with the ESP32 board package installed). It supports standard firmware flashing via USB, making it easy to integrate into a wide range of IoT development workflows.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this board for battery-powered IoT projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The ESP32-C3 Super Mini features ultra-low deep sleep power consumption of approximately \u003cstrong\u003e43 µA\u003c\/strong\u003e, making it an excellent choice for battery-powered IoT devices such as wireless sensors, smart wearables, and remote monitoring systems. The board also accepts a wide external power supply range of 3.3–6 V.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the board have built-in Wi-Fi and Bluetooth, or do I need an external module?\u003c\/h4\u003e\n\u003cp\u003eA: The ESP32-C3 chip features \u003cstrong\u003ebuilt-in 2.4 GHz Wi-Fi (802.11 b\/g\/n) and Bluetooth 5.0\u003c\/strong\u003e — no separate module is required. An optional external 2.4G Wi-Fi antenna is available as a bundle option for improved signal range in demanding environments.\u003c\/p\u003e\n\u003ch4\u003eQ: What security features does the ESP32-C3 offer?\u003c\/h4\u003e\n\u003cp\u003eA: The ESP32-C3 includes a hardware crypto accelerator supporting \u003cstrong\u003eAES-128\/256 encryption, SHA hashing, RSA, HMAC, digital signatures, and secure boot\u003c\/strong\u003e — providing robust protection for connected IoT applications out of the box.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the ESP32-C3 Super Mini Development Board compatible with for programming?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ESP32-C3 Super Mini Development Board is compatible with ESP-IDF (Espressif IoT Development Framework) as well as the Arduino IDE (with the ESP32 board package installed). 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