{"product_id":"firebeetle-esp32-e-iot-microcontroller","title":"FireBeetle ESP32-E IoT Microcontroller (Wi-Fi \/ Bluetooth)","description":"\u003cp\u003eAn \u003cspan data-mce-fragment=\"1\"\u003eESP-WROOM-32E-based\u003c\/span\u003e dual-core microcontroller board with lipo battery charging and ultra low power consumption, especially designed for IoT and perfect for wirelessly adding sensors to home automation networks.\u003c\/p\u003e\n\u003cp\u003eThe new ESP32-E FireBeetle supports WiFi and Bluetooth dual-mode communication, has ultra low power consumption and even includes an on-board charging circuit so you can power it with a \u003ca href=\"\/en-eu\/products\/lipo-battery-pack?variant=20429082055\" target=\"_blank\"\u003elipo battery\u003c\/a\u003e (and charge it over USB-C). It's easily programmable via Arduino IDE, and \u003cspan\u003eideal for smart home IoT, industrial IoT applications, wearable devices, and so on. You can easily create your own IoT smart home system when connecting it with an IoT platform like IFTTT or Home Assistant.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFireBeetle ESP32-E supports Arduino programming and will support Scratch graphical programming and MicroPython programming very soon, with detailed online tutorials and application cases. The castellated design makes it possible to embed on another PCB, saving costs and time for building prototypes.\u003c\/p\u003e\n\u003cp\u003eWhat's the difference between FireBeetle ESP32-E and \u003ca href=\"\/en-eu\/products\/firebeetle-esp32-iot-microcontroller-supports-wi-fi-bluetooth\" target=\"_blank\"\u003eFireBeetle ESP32\u003c\/a\u003e?\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eESP32-E uses a data encryption chip to protect program security\u003c\/li\u003e\n\u003cli\u003eESP32-E is equipped with a DFRobot GDI (General Display Interface) to connect screens like DFR0664\/DFR0649\/DFR0665\/DFR0669\u003c\/li\u003e\n\u003cli\u003eSoftware are ecologically compatible with both ESP32 and ESP32-E, except for minor changes in pin mapping\u003c\/li\u003e\n\u003cli\u003eESP32-E cannot use an expansion board for ESP32 V4.0\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/en-eu\/products\/firebeetle-esp32-iot-microcontroller-supports-wi-fi-bluetooth\" target=\"_blank\"\u003eDFR0478\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003eDFR0654\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32-D\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eESP32-E\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Interface\u003c\/td\u003e\n\u003ctd\u003eMicro USB\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB-C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB to UART\u003c\/td\u003e\n\u003ctd\u003eCH340C\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCH340K\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage (V)\u003c\/td\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3.3V\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash\u003c\/td\u003e\n\u003ctd\u003e16MB\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4MB\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSRAM (KB)\u003c\/td\u003e\n\u003ctd\u003e520k\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e520k\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Pins\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Pins\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e10\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI2C\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPI\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSide Key\u003c\/td\u003e\n\u003ctd\u003e×\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e√\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRGB_LED\u003c\/td\u003e\n\u003ctd\u003e×\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e√\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplayPort (GDI)\u003c\/td\u003e\n\u003ctd\u003e×\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e√\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStamp Holes\u003c\/td\u003e\n\u003ctd\u003e×\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e√\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilkscreen\u003c\/td\u003e\n\u003ctd\u003eunderside\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003etwo-sided\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Hole Size (mm)\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension (mm)\u003c\/td\u003e\n\u003ctd\u003e29*58\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e25.4*60\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (g)\u003c\/td\u003e\n\u003ctd\u003e24 g\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e23g\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eEspressif has recently released one wafer-level change on ESP32 Series of products: ESP32-E. Below are the main design changes in ESP32-E Series of chips:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePSRAM Cache Bug Fix: Fixed “When the CPU accesses the external SRAM in a certain sequence, read \u0026amp; write errors can occur”.\u003c\/li\u003e\n\u003cli\u003eFixed “When each CPU reads certain different address spaces simultaneously, a read error can occur.”\u003c\/li\u003e\n\u003cli\u003eOptimized 32.768 KHz crystal oscillator stability, the issue was reported by client that there is a low probability that under ESP32-D hardware, the 32.768 KHz crystal oscillator couldn’t start properly.\u003c\/li\u003e\n\u003cli\u003eFixed Fault injection issues regarding secure boot and flash encryption are fixed.\u003c\/li\u003e\n\u003cli\u003eImprovement: Changed the minimum baud rate supported by the CAN module from 25 kHz to 12.5 kHz.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eESP32 Dual-core low power maincontroller, 10uA power consumption\u003c\/li\u003e\n\u003cli\u003eWiFi+Bluetooth 4.0 Dual-mode Module\u003c\/li\u003e\n\u003cli\u003eGDI Display Port, easy to connect\u003c\/li\u003e\n\u003cli\u003eOnboard Charging Circuit and PH2.0 lithium Battery Interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Voltage: 3.3V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInput Voltage: 3.3V~5.5V\u003c\/li\u003e\n\u003cli\u003eSupport Low-Power: 10uA\u003c\/li\u003e\n\u003cli\u003eMax Discharge Current: 600mA@3.3V LDO\u003c\/li\u003e\n\u003cli\u003eMax Charge Current: 500mA\u003c\/li\u003e\n\u003cli\u003eSupport USB Charging\u003c\/li\u003e\n\u003cli\u003eProcessor: Tensilica LX6 dual-core processor (One for high-speed connection; one for independent application development)\u003c\/li\u003e\n\u003cli\u003eMain Frequency: 240MHz\u003c\/li\u003e\n\u003cli\u003eSRAM: 520KB\u003c\/li\u003e\n\u003cli\u003eFlash: 32Mbit\u003c\/li\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，speed up to 150 Mbps), A-MPDU and A-MSDU Aggregation, support 0.4us guard interval)\u003c\/li\u003e\n\u003cli\u003eFrequency Range: 2.4~2.5 GHz\u003c\/li\u003e\n\u003cli\u003eBluetooth Protocol: Bluetooth v4.2 BR\/EDR and BLE standard compliant\u003c\/li\u003e\n\u003cli\u003eBluetooth Audio: CVSD and SBC audio\u003c\/li\u003e\n\u003cli\u003eOperating Current: 80mA（Average）\u003c\/li\u003e\n\u003cli\u003eSupport Arduino download with one-key\u003c\/li\u003e\n\u003cli\u003eOn-chip Clock: 40MHz crystal, 32.768KHz crystal\u003c\/li\u003e\n\u003cli\u003eDigital I\/O x10（Arduino default）\u003c\/li\u003e\n\u003cli\u003eAnalog Input x5（Arduino default）\u003c\/li\u003e\n\u003cli\u003eSPI x1（Arduino Default）\u003c\/li\u003e\n\u003cli\u003eIIC x1（Arduino Default）\u003c\/li\u003e\n\u003cli\u003eI2S x1（Arduino Default）\u003c\/li\u003e\n\u003cli\u003eRGB_LED: 5\/D8\u003c\/li\u003e\n\u003cli\u003eConnector: FireBeetle V2 series compatible\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -40℃~+85℃\u003c\/li\u003e\n\u003cli\u003eModule Size: 25.4×60mm\/1×2.36”\u003c\/li\u003e\n\u003cli\u003eMount Hole Size: inner diameter of 2.0mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDOCUMENTS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/FireBeetle_Board_ESP32_E_SKU_DFR0654\" target=\"_blank\"\u003eProduct wiki\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSHIPPING LIST\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFireBeetle Board ESP32-E x1\u003c\/li\u003e\n\u003cli\u003e18pin-2.54mm Pitch Pin x1\u003c\/li\u003e\n\u003cli\u003e18pin-2.54mm Pitch Pin Female x1\u003c\/li\u003e\n\u003cli\u003e14pin-2.54mm Pitch Pin x1\u003c\/li\u003e\n\u003cli\u003e14pin-2.54mm Pitch Pin Female x1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":39287557685331,"sku":"DFR0654","price":11.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/products\/DFR0654.jpg?v=1616427717","url":"https:\/\/shop.pimoroni.com\/en-eu\/products\/firebeetle-esp32-e-iot-microcontroller","provider":"Pimoroni Ltd","version":"1.0","type":"link"}