{"product_id":"adafruit-esp32-feather-v2-8mb-flash-2-mb-psram-stemma-qt","title":"Adafruit ESP32 Feather V2 - 8MB Flash + 2 MB PSRAM","description":"\u003cp\u003eOne of our star Feathers is the \u003ca href=\"\/en-eu\/products\/adafruit-huzzah32-esp32-feather-board\" target=\"_blank\"\u003eAdafruit HUZZAH32 ESP32 Feather\u003c\/a\u003e - with the fabulous ESP32 WROOM module on there, it makes quick work of WiFi and Bluetooth projects that take advantage of Espressifs most popular chipset.\u003c\/p\u003e\n\u003cp\u003eRecently Adafruit had to redesign this feather to move from the obsolete CP2104 to the available CH9102F and one thing led to another and before you know it they made a completely refreshed design: the \u003cstrong\u003eAdafruit ESP32 Feather V2.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe V2 is a significant redesign, enough so we consider it a completely new product. It still features the ESP32 chip but has many upgrades and improvements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompared to the original Feather with 4 MB Flash and no PSRAM, the V2 has \u003cstrong\u003e8 MB Flash and 2 MB PSRAM\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional \u003cstrong\u003euser button tactile switch\u003c\/strong\u003e on input pin 38\u003c\/li\u003e\n\u003cli\u003eAdditional \u003cstrong\u003eNeoPixel mini RGB LED\u003c\/strong\u003e with controllable power pin\u003c\/li\u003e\n\u003cli\u003eAdditional \u003cstrong\u003eSTEMMA QT\u003c\/strong\u003e port for plug and play I2C connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB Type C\u003c\/strong\u003e port instead of Micro B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparate controllable 3.3V power supply for STEMMA QT\u003c\/strong\u003e to allow for ultra low power consumption even with sensors are attached\u003c\/li\u003e\n\u003cli\u003eDesigned for low power usage: verified with a PPK to \u003cstrong\u003edraw 70uA from the Lipoly battery in deep sleep\u003c\/strong\u003e and 1.2mA in light sleep.\u003c\/li\u003e\n\u003cli\u003eESP32 Pico module is much smaller, allowing for clear marking of all breakout pads and additional mounting holes!\u003c\/li\u003e\n\u003cli\u003eUpgrade the USB to serial converter from CP2102 to CH9102F which is available for purchase! The CH9102F has no issues with uploading at 921600 bps for speedy firmware loading.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHowever, in order to add the PSRAM, and use the new Pico module which was small enough to allow all the fun extras, some of the breakout pads have changed, so here's what you need to know:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe pin \u003cem\u003enumbers\u003c\/em\u003e for the I2C port (SDA, SCL), hardware UART (RX, TX), and SPI (SCK, MOSI, MISO) have changed. If your code has hardcoded use for those pins, you'll want to replace them either by the new numbers or change the code to use the 'pretty' names like SDA or SCK.\u003c\/li\u003e\n\u003cli\u003eWhen selecting the new Feather ESP32 V2 board in the Espressif board support package, the correct numbers will be substituted.\u003c\/li\u003e\n\u003cli\u003eNote the names are in the same spots, Adafruit haven't changed where the I2C\/UART\/SPI pins are located on the board, just which ESP32 pin numbers they are connected to in the module.\u003c\/li\u003e\n\u003cli\u003eThe 'corner' pin next to TX has changed from pin 21 to 37. This pin is not used in any FeatherWings because its considered an 'extra pin'. It's also changed from a GPIO to input-only\u003c\/li\u003e\n\u003cli\u003eThe remaining numbered pins and A0-A5 pins have not changed pin numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThat module nestled in at the end of this Feather contains a dual-core ESP32 chip, 8 MB of SPI Flash, 2 MB of PSRAM, tuned PCB antenna, and all the passives you need to take advantage of this powerful new processor. The ESP32 has both WiFi and Bluetooth Classic\/LE support. That means it's perfect for just about any wireless or Internet-connected project.\u003c\/p\u003e\n\u003cp\u003eBecause it's part of the Feather eco-system, \u003ca href=\"\/en-eu\/collections\/adafruit-feather-feather-wings-and-accessories\" data-mce-href=\"\/en-eu\/collections\/adafruit-feather-feather-wings-and-accessories\" target=\"_blank\"\u003eyou can take advantage of the 50+ Wings\u003c\/a\u003e designed to add all sorts of cool accessories. Plus that built in battery charging and monitoring you know and love with the ESP32 Feather is still there in this upgrade.\u003c\/p\u003e\n\u003ch2\u003eFeatures:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eESP32 Dual core 240MHz Xtensa® processor\u003c\/strong\u003e - the classic dual-core ESP32 you know and love!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMini module\u003c\/strong\u003e has FCC\/CE certification and comes with 8 MByte of Flash and 2 MByte of PSRAM - you can have huge data buffers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower options\u003c\/strong\u003e - USB type C \u003cstrong\u003eor\u003c\/strong\u003e Lipoly battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in battery charging\u003c\/strong\u003e when powered over USB-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiPoly battery monitor\u003c\/strong\u003e with two 200K resistor divider\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReset and User\u003c\/strong\u003e (I38) buttons to reset board and as a separate input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh speed upload with auto-reset and serial debug\u003c\/strong\u003e with ultra-reliable CP2102N chipset.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/en-eu\/collections\/stemma-qt\" data-mce-href=\"\/en-eu\/collections\/stemma-qt\" target=\"_blank\"\u003eSTEMMA QT connector\u003c\/a\u003e for I2C devices, with switchable power, so you can go into low power mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge\/User\u003c\/strong\u003e LEDs + status \u003cstrong\u003eNeoPixel\u003c\/strong\u003e with pin-controlled power for low power usage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power friendly!\u003c\/strong\u003e In deep sleep mode we can get down to 80~100uA of current draw from the Lipoly connection. Quiescent current is from the power regulator, ESP32 chip, and Lipoly monitor. Turn off the NeoPixel and external I2C power for the lowest quiescent current draw.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWorks with Arduino or MicroPython\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eComes fully assembled and tested, with a USB interface that lets you quickly use it with the Arduino IDE or the low-level ESP32 IDF. Adafruit also toss in some header so you can solder it in and plug into a solderless breadboard. \u003cstrong\u003eLipoly battery and USB cable not included\u003c\/strong\u003e (but we do have lots of options in the shop if you'd like!)\u003c\/p\u003e\n\u003ch2\u003eTechnical Details\u003c\/h2\u003e\n\u003cp\u003eRevision History:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAs of May 19, 2022\u003c\/strong\u003e Adafruit have changed from using the SiLabs CP2102N to the CH9102F due to severe parts shortages and price increases. \u003ca href=\"http:\/\/www.wch-ic.com\/downloads\/CH341SER_ZIP.html\" target=\"_blank\"\u003eThe Windows driver for the CH9102 is available here\u003c\/a\u003e. \u003ca href=\"http:\/\/www.wch-ic.com\/downloads\/CH34XSER_MAC_ZIP.html\" target=\"_blank\"\u003eThe Mac driver for the CH9102 is available here\u003c\/a\u003e. Linux has drivers built in.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHere are \u003ca href=\"https:\/\/espressif.com\/en\/products\/hardware\/esp32\/overview\" target=\"_blank\"\u003especifications from Espressif about the ESP32\u003c\/a\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e240 MHz dual core Tensilica LX6 microcontroller with 600 DMIPS\u003c\/li\u003e\n\u003cli\u003eIntegrated 520 KB SRAM\u003c\/li\u003e\n\u003cli\u003eIntegrated 802.11b\/g\/n HT40 Wi-Fi transceiver, baseband, stack and LWIP\u003c\/li\u003e\n\u003cli\u003eIntegrated dual mode Bluetooth (classic and BLE)\u003c\/li\u003e\n\u003cli\u003eOn-board PCB antenna\u003c\/li\u003e\n\u003cli\u003eUltra-low noise analog amplifier\u003c\/li\u003e\n\u003cli\u003eHall sensor\u003c\/li\u003e\n\u003cli\u003e10x capacitive touch interface\u003c\/li\u003e\n\u003cli\u003e32 kHz crystal oscillator\u003c\/li\u003e\n\u003cli\u003e3 x UARTs (only two are configured by default in the Feather Arduino IDE support, one UART is used for bootloading\/debug)\u003c\/li\u003e\n\u003cli\u003e3 x SPI (only one is configured by default in the Feather Arduino IDE support)\u003c\/li\u003e\n\u003cli\u003e2 x I2C (only one is configured by default in the Feather Arduino IDE support)\u003c\/li\u003e\n\u003cli\u003e12 x ADC input channels\u003c\/li\u003e\n\u003cli\u003e2 x I2S Audio\u003c\/li\u003e\n\u003cli\u003e2 x DAC\u003c\/li\u003e\n\u003cli\u003ePWM\/timer input\/output available on every GPIO pin\u003c\/li\u003e\n\u003cli\u003eOpenOCD debug interface with 32 kB TRAX buffer\u003c\/li\u003e\n\u003cli\u003eSDIO controller or peripheral 50 MHz\u003c\/li\u003e\n\u003cli\u003eSD-card interface support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProduct Dimensions: 52.3mm x 22.8mm x 7.2mm \/ 2.1\" x 0.9\" x 0.3\"\u003c\/p\u003e\n\u003cp\u003eProduct Weight: 6.0g \/ 0.2oz\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn-shop.adafruit.com\/product-files\/5400\/esp32-pico-mini-02_datasheet_en.pdf\" target=\"_blank\"\u003eESP32­ Pico ­Mini 02 Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eLearn\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/learn.adafruit.com\/adafruit-esp32-feather-v2\" target=\"_blank\"\u003ePrimary Guide: Adafruit ESP32 Feather V2\u003c\/a\u003e - The Feather HUZZAH32 in a whole new light!\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/learn.adafruit.com\/how-to-install-drivers-for-wch-usb-to-serial-chips\" target=\"_blank\"\u003eHow To Install Drivers for WCH USB to Serial Chips\u003c\/a\u003e - Get setup to transfer your serial data over USB\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":39755071357011,"sku":"ADA5400","price":19.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/products\/5400-05.jpg?v=1653314871","url":"https:\/\/shop.pimoroni.com\/en-eu\/products\/adafruit-esp32-feather-v2-8mb-flash-2-mb-psram-stemma-qt","provider":"Pimoroni Ltd","version":"1.0","type":"link"}