{"product_id":"esp32-wroom-32-cp2102-development-board-wifi-bluetooth-ble-iot-module","title":"ESP32-WROOM-32 CP2102 Dev Board WiFi BT BLE – 1 to 5 Pack","description":"\n\u003ch2\u003eESP32-WROOM-32 CP2102 Development Board – WiFi, Bluetooth \u0026amp; BLE for Smart Home \u0026amp; IoT\u003c\/h2\u003e\n\n\u003cp\u003eTake your embedded and IoT projects to the next level with the \u003cstrong\u003eESP32-WROOM-32 CP2102 Development Board\u003c\/strong\u003e. Powered by the versatile ESP32 MCU, this compact board combines \u003cstrong\u003eWi-Fi (802.11 b\/g\/n)\u003c\/strong\u003e, \u003cstrong\u003eBluetooth 4.2 BR\/EDR\u003c\/strong\u003e, and \u003cstrong\u003eBLE\u003c\/strong\u003e connectivity in one low-power package — perfect for smart home automation, mesh networking, mobile IoT devices, and DIY electronics prototyping.\u003c\/p\u003e\n\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\u003eTriple Connectivity:\u003c\/strong\u003e Integrated Wi-Fi + Bluetooth Classic + BLE (Bluetooth Low Energy) in a single module for maximum flexibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e32Mbit SPI Flash:\u003c\/strong\u003e Onboard high-speed SPI flash memory (default 32Mbit) ensures fast data access and efficient program storage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Wireless Coverage:\u003c\/strong\u003e Connect directly to the internet via a Wi-Fi router or communicate wirelessly over large distances within your network.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCP2102 USB-to-UART Bridge:\u003c\/strong\u003e Reliable USB serial communication chip for easy programming and debugging from your PC.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRich Interface Support:\u003c\/strong\u003e Compatible with UART, SPI, SDIO, I2C, PWM, I2S, IR, ADC, and DAC — connect virtually any sensor or peripheral.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnboard PCB Antenna:\u003c\/strong\u003e 2dBi gain PCB antenna for stable wireless signal reception with no external antenna required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Measures approximately 50 × 25 × 10 mm, making it ideal for space-constrained builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Pack Options:\u003c\/strong\u003e Available in 1, 2, 3, 4, or 5 piece packs to suit hobbyists, educators, and developers alike.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSPI Flash\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e32Mbit (default)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSerial Port Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e115200 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2412–2484 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBluetooth Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eBluetooth 4.2 BR\/EDR and BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eWiFi Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eIEEE 802.11 b\/g\/n\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eAntenna\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eOnboard PCB antenna, 2dBi gain\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSupported Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eUART, SPI, SDIO, I2C, PWM, I2S, IR, ADC, DAC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e~50 × 25 × 10 mm (1.96 × 0.98 × 0.39 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e~10g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× ESP32-WROOM-32 CP2102 Development Board (per unit ordered)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSmart home automation systems\u003c\/li\u003e\n  \u003cli\u003eMobile IoT and sensor data logging\u003c\/li\u003e\n  \u003cli\u003eWi-Fi mini cameras and streaming devices\u003c\/li\u003e\n  \u003cli\u003eMesh networking projects\u003c\/li\u003e\n  \u003cli\u003eBluetooth signal detection and analysis tools\u003c\/li\u003e\n  \u003cli\u003eDIY electronics prototyping and education\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLooking for more electronics and project accessories? Check out these related products from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-2-pin-quick-splice-spring-wire-connectors-lock-terminals\"\u003e10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/12pcs-16mm-momentary-push-button-switch-1no-metal-2-pin-self-reset\"\u003e12pcs 16mm Momentary Push Button Switch 1NO Metal 2-Pin Self-Reset\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to monitor and lighting variations, actual product color may differ slightly from images. Please allow ±1–2 cm tolerance due to manual measurement.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What makes the ESP32-WROOM-32 CP2102 Development Board suitable for smart home projects?\u003c\/h4\u003e\n\u003cp\u003eA: The ESP32-WROOM-32 CP2102 board supports both Wi-Fi (802.11 b\/g\/n) and Bluetooth 4.2 (BR\/EDR + BLE), enabling seamless communication between smart home devices, mobile apps, and internet-connected services — all from a single compact module. Its wide range of supported interfaces (I2C, SPI, UART, ADC, DAC, PWM, etc.) means you can connect sensors, relays, displays, and more with ease.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need any additional hardware to program this ESP32 development board?\u003c\/h4\u003e\n\u003cp\u003eA: No additional USB-to-serial adapter is needed. The onboard CP2102 chip provides a direct USB-to-UART bridge, so you simply connect the board to your computer via a Micro-USB cable. It is compatible with the Arduino IDE, MicroPython, and ESP-IDF development environments.\u003c\/p\u003e\n\u003ch4\u003eQ: Why is this product available in packs of 1 to 5?\u003c\/h4\u003e\n\u003cp\u003eA: Multi-pack options are provided to accommodate a variety of users — from individual hobbyists who need just one board to test a concept, to educators, lab teams, or developers building multiple prototypes simultaneously. Buying in a multi-pack also offers better value per unit.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the operating frequency range and antenna type of this ESP32 board?\u003c\/h4\u003e\n\u003cp\u003eA: The ESP32-WROOM-32 operates in the 2.4 GHz band, specifically between 2412–2484 MHz. It uses an onboard PCB antenna with a gain of 2dBi, which provides reliable wireless range without requiring any external antenna attachment.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What makes the ESP32-WROOM-32 CP2102 Development Board suitable for smart home projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ESP32-WROOM-32 CP2102 board supports both Wi-Fi (802.11 b\/g\/n) and Bluetooth 4.2 (BR\/EDR + BLE), enabling seamless communication between smart home devices, mobile apps, and internet-connected services — all from a single compact module. 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