{"product_id":"firebeetle-2-esp32-e-onboard-antenna","title":"FireBeetle 2 ESP32-E IoT Microcontroller (N16R2)","description":"\u003cp\u003eThis FireBeetle 2 development board has 16M Flash and 2M PSRAM, which helps to drive applications like the LVGL graphics library used in interface design and interaction. Powered by Espressif's ESP32-WROOM-32E-N16R2 module, it includes a 32-bit dual-core processor running at up to 240MHz.\u003c\/p\u003e\n\u003cp\u003eSupporting \u003ca href=\"\/nl\/products\/usb-a-to-usb-c-cable-1m\" data-mce-href=\"\/nl\/products\/usb-a-to-usb-c-cable-1m\"\u003eUSB-C\u003c\/a\u003e and an external \u003ca href=\"\/nl\/search?q=3.7+lipo+battery\u0026amp;narrow_by=\u0026amp;sort_by=relevency\u0026amp;page=1\" data-mce-href=\"\/nl\/search?q=3.7+lipo+battery\u0026amp;narrow_by=\u0026amp;sort_by=relevency\u0026amp;page=1\"\u003e3.7V lithium battery\u003c\/a\u003e power supply, it can automatically switch between power sources in dual power supply mode. It also has USB and external DC charging modes. This board is great for IoT projects with dual-mode communication support for WiFi and Bluetooth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWe now stock two variants of this board:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOnboard PCB Antenna = FireBeetle 2 ESP32-E (SKU \u003cspan\u003eDFR1139\u003c\/span\u003e)\u003c\/li\u003e\n\u003cli\u003eExternal Antenna (\u003cstrong\u003eWith a 2.4GHz antenna included\u003c\/strong\u003e) = FireBeetle 2 ESP32-UE (SKU DFR1140)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe main advantage of external antennas is that they can provide higher gain, which improves the communication range of Bluetooth or WiFi.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEquipped with ESP32-WROOM-32E-N16R2 dual-core module\u003c\/li\u003e\n\u003cli\u003eClock frequency up to 240MHz, with 16M Flash and 2M PSRAM for large memory capacity\u003c\/li\u003e\n\u003cli\u003eLow-power development board, supporting dual-mode communication of WiFi and Bluetooth\u003c\/li\u003e\n\u003cli\u003eOnboard GDI display interface for quick connection to display screens\u003c\/li\u003e\n\u003cli\u003eOnboard charging circuit and PH2.0 lithium battery interface, supporting dual power supply and automatic switching\u003c\/li\u003e\n\u003cli\u003eSupports various programming methods such as Arduino IDE, ESP-IDF, Micro-Python\u003c\/li\u003e\n\u003cli\u003eCompact design, small size, suitable for space-limited and embedded IoT projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's on Board\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/FireBeetle_2_ESP32-E_features_1.jpg?v=1724154971\" alt=\"\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/FireBeetle_2_ESP32-E_features_1.jpg?v=1724154971\"\u003e\u003c\/p\u003e\n\u003ctable width=\"992\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"64\"\u003e\n\u003cstrong\u003eNo\u003c\/strong\u003e.\u003c\/td\u003e\n\u003ctd width=\"230\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"698\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eUSB Interface\u003c\/td\u003e\n\u003ctd\u003eProgram download and power supply, 4.75V-5.5V compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eCharging Indicator\u003c\/td\u003e\n\u003ctd width=\"698\"\u003eRed LED for indicating charging status: 1. Off when fully charged or not charged; 2. On when charging; \u003cbr\u003e3. Quick flash when powered by USB, and no battery connected.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eUser Button\u003c\/td\u003e\n\u003ctd\u003eControlled by pin IO27\/D4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eLi-ion Battery Port\u003c\/td\u003e\n\u003ctd\u003eSupport 3.5V-4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eOnboard RGB Light\u003c\/td\u003e\n\u003ctd\u003eWS2812 RGB LED, controlled by pin IO5\/D8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eOnboard LED\u003c\/td\u003e\n\u003ctd\u003eLED controlled by pin IO2\/D9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eReset Button\u003c\/td\u003e\n\u003ctd\u003ePress to reset the program\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\"\u003e8\u003c\/td\u003e\n\u003ctd rowspan=\"2\"\u003eLow-power Solder Jumper Pad\u003c\/td\u003e\n\u003ctd width=\"698\"\u003eDesigned for low power mode and default to be connected.\u003cbr\u003eSlightly cut off the thin wire with a knife to disconnect it.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNote: when the pad is disconnected, you can only drive RGB LED light via the USB Power supply.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003eGDI\u003c\/td\u003e\n\u003ctd\u003eDFRobot dedicated Display interface. Refer to the GDI part of this page.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eESP32-E Module\u003c\/td\u003e\n\u003ctd\u003eESP32-WROOM-32E-N16R2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePower Parameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInput Voltage\n\u003cul\u003e\n\u003cli\u003eUSB-C interface: 5V DC\u003c\/li\u003e\n\u003cli\u003ePH2.0 interface: 3.7V Li-ion\u003c\/li\u003e\n\u003cli\u003eVCC pin: 5V DC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMCU Parameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProcessor: Tensilica LX6 dual-core processor (one core for high-speed connectivity, one core for independent application development)\u003c\/li\u003e\n\u003cli\u003eClock Frequency: 240MHz\u003c\/li\u003e\n\u003cli\u003eSRAM: 520KB\u003c\/li\u003e\n\u003cli\u003eROM: 448KB\u003c\/li\u003e\n\u003cli\u003eFlash: 16MB\u003c\/li\u003e\n\u003cli\u003ePSRAM: 2MB\u003c\/li\u003e\n\u003cli\u003eOn-chip Clock: 40MHz crystal oscillator, 32.768KHz crystal oscillator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWireless Parameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWi-Fi Standard: FCC\/CE\/TELEC\/KCC\u003c\/li\u003e\n\u003cli\u003eWi-Fi Protocol: 802.11 b\/g\/n\/d\/e\/i\/k\/r (802.11n, up to 150 Mbps), A-MPDU and A-MSDU aggregation, supports 0.4us protection interval\u003c\/li\u003e\n\u003cli\u003eWi-Fi Frequency Range: 2.4~2.5 GHz\u003c\/li\u003e\n\u003cli\u003eBluetooth Protocol: Compliant with Bluetooth V4.2 BR\/EDR and BLE standards\u003c\/li\u003e\n\u003cli\u003eBluetooth Audio: CVSD and SBC audio\u003c\/li\u003e\n\u003cli\u003eBluetooth Frequency Range: 2.4~2.5GHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePeripheral Parameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDigital Pins 17x: IO0, IO1, IO2, IO3, IO4, IO12, IO13, IO14, IO15, IO17, IO18, IO19, IO21, IO22, IO23, IO25, IO26\u003c\/li\u003e\n\u003cli\u003eAnalogue Pins 11x: IO0, IO2, IO4, IO12, IO13, IO14, IO15, IO25, IO26, I34, I35\u003c\/li\u003e\n\u003cli\u003eUART Interfaces: 3x\u003c\/li\u003e\n\u003cli\u003eSPI Interface: 1x\u003c\/li\u003e\n\u003cli\u003eI2C Interface: 1x\u003c\/li\u003e\n\u003cli\u003eI2S Interface: 1x\u003c\/li\u003e\n\u003cli\u003eDAC Interface: 2x\u003c\/li\u003e\n\u003cli\u003eTouch Interfaces: 7x\u003c\/li\u003e\n\u003cli\u003eLED PWM Channels: 16x\u003c\/li\u003e\n\u003cli\u003eRGB_LED: WS2812\u003c\/li\u003e\n\u003cli\u003eDisplay Interface: GDI\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOther Parameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterface Compatibility: FireBeetle V2 series compatible\u003c\/li\u003e\n\u003cli\u003eModule Size: 25.4mm x 60mm\u003c\/li\u003e\n\u003cli\u003eWeight: 23.4g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/_SKU_DFR1139_FireBeetle_2_ESP32_E_N16R2_IoT_Microcontroller\" rel=\"noopener\" data-mce-href=\"https:\/\/wiki.dfrobot.com\/_SKU_DFR1139_FireBeetle_2_ESP32_E_N16R2_IoT_Microcontroller\" target=\"_blank\" previewlistener=\"true\"\u003eProduct wiki\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/_SKU_DFR1139_FireBeetle_2_ESP32_E_N16R2_IoT_Microcontroller#target_4\" rel=\"noopener\" data-mce-href=\"https:\/\/wiki.dfrobot.com\/_SKU_DFR1139_FireBeetle_2_ESP32_E_N16R2_IoT_Microcontroller#target_4\" target=\"_blank\"\u003ePinout\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/_SKU_DFR1139_FireBeetle_2_ESP32_E_N16R2_IoT_Microcontroller#target_5\" rel=\"noopener\" data-mce-href=\"https:\/\/wiki.dfrobot.com\/_SKU_DFR1139_FireBeetle_2_ESP32_E_N16R2_IoT_Microcontroller#target_5\" target=\"_blank\"\u003eDimension\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/_SKU_DFR1139_FireBeetle_2_ESP32_E_N16R2_IoT_Microcontroller#target_6\" rel=\"noopener\" data-mce-href=\"https:\/\/wiki.dfrobot.com\/_SKU_DFR1139_FireBeetle_2_ESP32_E_N16R2_IoT_Microcontroller#target_6\" target=\"_blank\"\u003eGetting Started (Use for the first time)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/_SKU_DFR1139_FireBeetle_2_ESP32_E_N16R2_IoT_Microcontroller#target_9\" rel=\"noopener\" data-mce-href=\"https:\/\/wiki.dfrobot.com\/_SKU_DFR1139_FireBeetle_2_ESP32_E_N16R2_IoT_Microcontroller#target_9\" target=\"_blank\"\u003eArduino Tutorials\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/dfimg.dfrobot.com\/60c1e008bddfc41c3293de80\/wiki\/17135ab9d90c9a2d0f681b591b3076a8.pdf\" rel=\"noopener\" data-mce-href=\"https:\/\/dfimg.dfrobot.com\/60c1e008bddfc41c3293de80\/wiki\/17135ab9d90c9a2d0f681b591b3076a8.pdf\" target=\"_blank\" previewlistener=\"true\"\u003eDatasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/img.dfrobot.com.cn\/wiki\/60c1e008bddfc41c3293de80\/501d2c3b5efcacf99b768b8347bfc4da.PDF\" rel=\"noopener\" data-mce-href=\"https:\/\/img.dfrobot.com.cn\/wiki\/60c1e008bddfc41c3293de80\/501d2c3b5efcacf99b768b8347bfc4da.PDF\" target=\"_blank\" previewlistener=\"true\"\u003eSchematic\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/img.dfrobot.com.cn\/wiki\/60c1e008bddfc41c3293de80\/dc5bfe2095243851d2f25a4d8a17edaf.zip\" rel=\"noopener\" data-mce-href=\"https:\/\/img.dfrobot.com.cn\/wiki\/60c1e008bddfc41c3293de80\/dc5bfe2095243851d2f25a4d8a17edaf.zip\" target=\"_blank\" previewlistener=\"true\"\u003e2D File\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/img.dfrobot.com.cn\/wiki\/60c1e008bddfc41c3293de80\/7bd2ec5d7bfda206a709256b4b8571f2.zip\" rel=\"noopener\" data-mce-href=\"https:\/\/img.dfrobot.com.cn\/wiki\/60c1e008bddfc41c3293de80\/7bd2ec5d7bfda206a709256b4b8571f2.zip\" target=\"_blank\" previewlistener=\"true\"\u003eSTP File\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/img.dfrobot.com.cn\/wiki\/5d57611a3416442fa39bffca\/94baeab196b1381ee2ad404fb9b4a14a.zip\" rel=\"noopener\" data-mce-href=\"https:\/\/img.dfrobot.com.cn\/wiki\/5d57611a3416442fa39bffca\/94baeab196b1381ee2ad404fb9b4a14a.zip\" target=\"_blank\" previewlistener=\"true\"\u003eShell stl file\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePinout\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/FireBeetle_2_ESP32-E_contents_1.jpg?v=1724154971\" alt=\"\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/FireBeetle_2_ESP32-E_contents_1.jpg?v=1724154971\"\u003e\u003c\/p\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x FireBeetle 2 ESP32-E (N16R2) IoT Microcontroller\u003c\/li\u003e\n\u003cli\u003e1x 2.4GHz WiFi and Bluetooth antenna (\u003cstrong\u003eFor the External Antenna version only\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli\u003e1x 18-pin-2.54mm Pitch Pin\u003c\/li\u003e\n\u003cli\u003e1x 18-pin-2.54mm Pitch Pin Female\u003c\/li\u003e\n\u003cli\u003e1x 14-pin-2.54mm Pitch Pin\u003c\/li\u003e\n\u003cli\u003e1x 14-pin-2.54mm Pitch Pin Female\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DFRobot","offers":[{"title":"Onboard PCB Antenna","offer_id":50847268700433,"sku":"DFR1139","price":12.0,"currency_code":"USD","in_stock":false},{"title":"External Antenna","offer_id":50847268733201,"sku":"DFR1140","price":12.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/6285\/6209\/files\/firebeetle-2-esp32-e-iot-microcontroller-n16r2-dfrobot-dfr1139-42928039821507.jpg?v=1735209588","url":"https:\/\/abcd3032.myshopify.com\/nl\/products\/firebeetle-2-esp32-e-onboard-antenna","provider":"Tayyab Zak","version":"1.0","type":"link"}