{"product_id":"esp32-wifi-bluetooth-development-board-uno-d1-r32-ch340g-4mb-flash-arduino","title":"ESP32 WiFi Bluetooth Dev Board UNO D1 R32 CH340G 4MB Flash","description":"\u003ch2\u003eESP32 WiFi \u0026amp; Bluetooth Development Board for Arduino UNO D1 R32\u003c\/h2\u003e\n\u003cp\u003eTake your microcontroller projects to the next level with this powerful \u003cstrong\u003eESP32-based Development Board\u003c\/strong\u003e. Designed in the familiar Arduino UNO form factor, this board combines dual-mode \u003cstrong\u003eWiFi + Bluetooth 4.0\u003c\/strong\u003e connectivity with a generous \u003cstrong\u003e4MB Flash\u003c\/strong\u003e and the reliable \u003cstrong\u003eCH340G USB-to-Serial\u003c\/strong\u003e chip — making it an ideal choice for hobbyists, makers, and engineers alike.\u003c\/p\u003e\n\u003cp\u003eWhether you're building IoT devices, home automation systems, wireless sensors, or prototyping your next big project, this board delivers the processing power and connectivity you need in a compact, plug-and-play package.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Connectivity:\u003c\/strong\u003e Built-in WiFi (802.11 b\/g\/n) and Bluetooth 4.0 for versatile wireless communication\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4MB Flash Memory:\u003c\/strong\u003e Ample storage for your sketches and data\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCH340G USB Bridge:\u003c\/strong\u003e Plug-in USB driver support for seamless connection to Windows, macOS, and Linux\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino UNO Pin-Compatible:\u003c\/strong\u003e Drop-in replacement form factor — works with most UNO shields\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Supply Voltage:\u003c\/strong\u003e Accepts 5V–12V input for flexible power options\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e -40°C to +85°C for demanding environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Package:\u003c\/strong\u003e Compact and robust surface-mount design\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino IDE Compatible:\u003c\/strong\u003e Program using the familiar Arduino IDE with ESP32 board support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicrocontroller\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eESP32 (Dual-core Xtensa LX6)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4MB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWiFi 802.11 b\/g\/n + Bluetooth 4.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB-to-Serial Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCH340 \/ CH340G\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V – 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × ESP32 UNO D1 R32 Development Board (CH340G)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis development board is perfect for:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino beginners stepping up to WiFi \u0026amp; Bluetooth projects\u003c\/li\u003e\n  \u003cli\u003eIoT prototyping and smart home automation\u003c\/li\u003e\n  \u003cli\u003eWireless sensor networks and data logging\u003c\/li\u003e\n  \u003cli\u003eRobotics and remote control applications\u003c\/li\u003e\n  \u003cli\u003eSTEM education and maker communities\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eYou might also be interested in these other great tools from our store:\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\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this ESP32 development board compatible with the Arduino IDE?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This ESP32 UNO D1 R32 board is fully compatible with the Arduino IDE. Simply install the ESP32 board support package via the Arduino Board Manager and you can start programming immediately using familiar Arduino syntax and libraries.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need to install drivers for the CH340G USB chip?\u003c\/h4\u003e\n\u003cp\u003eA: Most modern operating systems (Windows 10\/11, macOS, Linux) will automatically detect the CH340G chip. For older systems, a free CH340 driver can be downloaded online. Once installed, the board appears as a standard COM\/serial port.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use existing Arduino UNO shields with this board?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the board uses the standard Arduino UNO pin layout, so most Arduino shields are physically compatible. Note that the ESP32 operates at 3.3V logic, so check your shield's voltage compatibility before use.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the operating voltage and input voltage range?\u003c\/h4\u003e\n\u003cp\u003eA: The board accepts a supply voltage of 5V to 12V, making it flexible for use with USB power, battery packs, or bench supplies. The ESP32 core itself operates at 3.3V logic.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this ESP32 development board compatible with the Arduino IDE?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This ESP32 UNO D1 R32 board is fully compatible with the Arduino IDE. 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