Esp32 port not showing mac. usbmodem101 or whatever.


  1. Esp32 port not showing mac. Nov 23, 2024 · COM Port Visibility: Open your Device Manager (Windows) or System Information (Mac) and check if the ESP32 shows up under Ports or USB Devices. We can build on that and make use of all of the additional hardware capabilities that the ESP32 brings along. If you notice some changes, it's a good sign. This is my second similar post here. Go to the Aug 20, 2023 · I have several boards of ESP8266 and ESP32 with CP2102 and all of them do not work with my Windows 11. Oct 4, 2023 · In your platformio. Aug 9, 2024 · In fact it ultimately worked just fine. Since I've successfully used the Arduino IDE on this box for other projects, I'm following the Guide's Arduino IDE Setup section Feb 12, 2025 · Learn how to install USB drivers for ESP32 devices and fix common issues like "Failed to connect" errors and missing COM ports - Step-by-Step Jun 18, 2020 · Installing ESP32 and ESP8266 Board Add-on in Arduino IDE Finally, you need to re-install the ESP board add-ons, you can either continue reading this guide or open one of the next links for more detailed instructions: Installing ESP32 Board in Arduino IDE (Windows, Mac OS X, Linux) Installing ESP8266 Board in Arduino IDE (Windows, Mac OS X, Linux) 1. Why This Happens Many ESP32 modules rely on a communication chip to interact with your computer. Dec 23, 2021 · Hi there, Recently bought a nodeMCU esp32 and started the process of installing things via the HA addon, ESPHome. I struggled a lot as I was not able to see a port for ESP32. Before you can program the ESP32, you need to install a driver for the USB-to-UART chip. Set up the Environment Variables Step 5. It lights up when I plug it in, but for some reason, it just won't show in the Arduino IDE. 6/Windows 10 Description: After upload and reset USB serial port is not identified/found by OS. com/freedomwebtech/arduinoideesp32keywords:-arduino ide esp32 board manager, install esp32 arduino ide,esp32 port not showing,e Nov 26, 2024 · Guide to Setting Up and Troubleshooting ESPHome on ESP32 Learn how to set up ESPHome on ESP32 boards with our step-by-step guide. Install Prerequisites Step 2. Is there a com port function imilar o that on Windoze? Dec 17, 2024 · I think this is a very common problem with all ESP32 development boards. 4 usb driver). Aug 12, 2023 · Re: Mac mini M2 not detecting ESP32 Postby nozomiman » Wed Aug 16, 2023 9:47 pm Finally found a combination of USB A Cable and ESP32 boards that detect on Mac mini M2. cp210 driver:- https://github. 9 PPC Troubleshooting 3 715 May 6, 2021 USB serial Port not found IDE 1. From the ESPHome add-on, I followed the tutorial for the first configuration, but the board doesn’t show up in the serial ports available. Getting Started with ESP32 on a Mac ESP32 is a low-cost and low power system on a chip microcontroller with integrated Wi-Fi and dual-mode Bluetooth. Or press Command + Space to open the Spotlight search and type terminal List serial devices: 00:00 This tip can solve problem, ESP32 USB device not recognizedThe ESP32 has a few common problems, specially when you are trying to upload new sketches or Learn how to get started with ESP32 Board including ESP32 features, pinout, development platforms and ESP32 Arduino Core installation. I’ve tried both my OSX laptop and Windows machine and both suffer the same issue. Is that hard? Are you trying to connect your ESP32 board to your computer but it’s not showing up in Arduino IDE?Is the COM port missing or the device showing as unknown i Check Port on Windows Check the list of identified COM ports in the Windows Device Manager. Until System Settings shows a USB peripheral on the USB bus, the driver won't matter. Tested on Both Windows and Mac OS Happens on a simple blink sketch, Serial. This flag, specifically, if you unset it will prevent the device from presenting console messages to the CDC device on /dev/cu. This was working fine but has now stopped working all of a sudden but not sure exactly when. Rebooted and it connected o… Search for jobs related to Esp32 port not showing mac or hire on the world's largest freelancing marketplace with 25m+ jobs. Search for jobs related to Esp32 port not showing mac or hire on the world's largest freelancing marketplace with 24m+ jobs. The usb cable I am using works fine for an Arduino nano. Sometime closing the IDE and then open the IDE again solvs the problem. * and see /dev/cu. Disconnect ESP32-S3 and connect it back, to verify which port disappears from the list and then shows back again. My last post only got 1 reply and was regarding an ESP8266 board having same exact issue. Disconnect ESP32 and connect it back, to verify which port disappears from the list and then shows back again. Basically, when the board is connected to my PC (Windows 10) via the USB cable, and I have successfully uploaded a sketch to it using the correct COM port, I would normally expect to see something on the serial monitor but nothing. May 28, 2025 · Continuing the discussion from Port is not detected in Arduino IDE for esp32: Same issue here with a Wemos D1 R32. Apr 23, 2022 · ESP32-S3 does not connect via USB by mg8888 » Mon Sep 04, 2023 2:13 pm Hello, I have the Adafruit ESP32-S3 Feather with 4MB Flash 2MB PSRAM (#5477). I got a “COM FAIL” error, as shown below: Connection Failure of Serial Port Make sure the correct COM port is selected Verify that the COM port isn’t Mar 29, 2024 · I've been using the Arduino IDE 2. ini, be sure your env +extends = dev_esp32-s3 That will set -DARDUINO_USB_CDC_ON_BOOT and the rest correct "I am not just an ESP32, but an ESP32-S3" flags. usbmodem14301, but not sure if it’s the correct port. Esp32 no port detected on Arduino Hello, do you have any solution why the esp32 can’t connect to arduino ide due to port not detected. The led on the board is on but it doesn't show up in the device manager, not even as an "unrecognized device". I am using Mac OS Mojave, mac mini. Get ESP-IDF Step 3. 14. Check Port on Windows Check the list of identified COM ports in the Windows Device Manager. Step 1. I use a stable of most the whole ESP32 family on MacOS without issue. I have a new ESP32 Wroom attached to my USB and it shows up in the settings on my mac: I do have another ESP thing from sparkfun which I can access via /dev/cu. Not super duper old, but currently I'm using a MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports). Could you please help. 15. ESP32 Board Info: ESP32 DEVKITV1 VCP: CP2102 Link: Amazon Link ESP8266 Board Info: Mini NodeMCU ESP8266 / ESP-12F "VCP:" CH340C Link: Amazon Link I have tried using both boards on both OSX 14. Jan 12, 2024 · I can't figure out what I am doing wrong. I use the same USB cable. I then tried around four different cables. If you do not specify the baud rate, the default baud rate is 460800. The board is connected (red light is on), but I’m facing couple of issues. Please note that -b is an optional argument. I tried with: 2 USB cables, so it shouldn't be the cable; 3 ESP 32, so it shouldn't be the microcontroller; 4 USB ports, so it shouldn't be the port, and 2 computers. This is what I have found out. A list of devices connected to your Mac's COM ports will be displayed as a result. Set up the Tools Step 4. This guides works in any operating system: Windows PC, Mac OS X, and Linux. I wonder if the problem all along was, not the version upgrade, nor the hub per se, but rather trying to connect from Mac to ESP32 using USB-3 instead of USB-2? Thanks again for the solution. Common Scenarios Arduino IDE or PlatformIO doesn’t list any available ports ls Feb 6, 2018 · So I am using an ESP32 Dev Module, and a 2017 MBP 13" and after following the arduino installation tutorial for the ESP32 I have the boards, but the ESP32 dev module does not show up as a serial port. I'm using the same USB cable. Using another newer Mac laptop and the same cable, everything connected just fine. 2 on my Windows 11 Pro to program a ESP32 Dev Module with no issues. The problem is that the IDE says the ESP32 is not connected. 4). I have googled but not found any solution. 2. From installing the necessary tools and dependencies to setting up the ESP-IDF environment and verifying your setup, this tutorial ensures a smooth start for your ESP32 projects. Jan 17, 2021 · Computer OS: Mac OS Mohave 10. 2. I am working with a Mac Pro (the 2013 trash can) running macOS Monterey (12. Setting up Development Environment These are the steps for setting up the ESP-IDF for your ESP32. New replies are no longer allowed. Commit prior to below did not have this problem: ESP32 not recognized by Windows or showing up in Arduino COM port Hey guys, for some reason my ESP 32 isn't working properly. Figures below show serial port for ESP32 DevKitC and ESP32 WROVER KIT USB to UART bridge of ESP32-DevKitC in Windows Device Manager Two USB Serial Ports of ESP-WROVER-KIT in Windows Device Manager Check Port on Linux and macOS Jul 10, 2024 · where can i find the chip? is it on the esp32 board itself? im still new in developing IOT projects so im not sure how to fix the problem. To program the ESP32, we will use Arduino IDE – a popular open-source electronics […] Apr 14, 2023 · There’s an add-on for the Arduino IDE that allows you to program the ESP32 using the Arduino IDE and its programming language. The port I find is Aug 18, 2023 · I am trying to program an Arduino ESP32 and the program asks for a com port. Hardware: Board: ESP32 Dev Module Core Installation/update date: Yesterday IDE name: Arduino IDE Flash Frequency: N/A Upload Speed: N/A Description: So I am using an ESP32 Dev Module, and a 2017 MBP 13" and after following the arduino in Mar 7, 2019 · Hardware: Board: ESP32 Dev Module Core Installation/update date: 04/mac/2019 IDE name: Arduino IDE 1. Dec 9, 2024 · Again, the point is that IDE sometime shows the net port and sometime it does not show the net port. 1 CPU: Apple M1 RAM: 16GB USB Type-C → USB Type-A Adapter DST-C02WH Setup guides (1) Install esptool Check pip version Can't get ESP32 to show up in Ports with CP210X & FTDI Drivers installed (tried OSX & WINDOWS11), really need help. Dec 2, 2021 · Hi I received this ESP32 board, but I can’t perform the first flash through USB. Now I don't and restarts, reinstallation of the driver, etc. I now have ESP32 with CH9102x and this one works well. does anyone have a solution? The ESP32 series employs either a Tensilica Xtensa LX6, Xtensa LX7 or a RiscV processor, and both dual-core and single-core variations are available. * I’ve confirmed my USB port works fine with a different board, the ESP32 Thing. I will show you how to do this now. Nov 13, 2024 · Learn what to do if your Arduino board is missing from the board selector or from the Tools > Port menu in Arduino IDE. have not resolved the issue. In this comprehensive guide, we will walk you through the entire process of installing the […] Jul 2, 2025 · Program the ESP32 boards using VS Code (Visual Studio Code) with the pioarduino IDE extension. Dec 11, 2024 · If you’ve faced issues connecting your ESP32 to your computer, you’re not alone. Yes, it is set to the Jul 27, 2022 · Hi, I used ESP-Prog to connect the esp32 to the PC and when I click on the connect button the first time, this error pops out. ) Also, double check your cable actually passes data. Edit: is there a power LED or a heartbeat LED to indicate that the board is even Jan 23, 2025 · If the ESP32 is properly connected and recognized, you should see it listed under Ports with its COM number. Espressif ESP32 Official ForumI have been struggling with the same issue. Feb 17, 2020 · ESP tool - programming flash MAC OS Catalina Postby vsubbiah » Mon Feb 17, 2020 8:08 pm Dec 27, 2023 · The ESP32 is a powerful microcontroller chip that combines WiFi and Bluetooth wireless capabilities with dual high performance cores and abundant memory resources. begin is called first line in setup. I plugged it in the USB port of my Raspberry Pi 3, host of Home Assistant OS. 1 (also does not show up on a second mac), rebooted many times. Figures below show serial port for ESP32 DevKitC and ESP32 WROVER KIT USB to UART bridge of ESP32-DevKitC in Windows Device Manager Two USB Serial Ports of ESP-WROVER-KIT in Windows Device Jul 10, 2024 · Don't just install every driver you can find. * or ls /dev/tty. ESP32 is a series of low cost, low power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. It's free to sign up and bid on jobs. ESP32 Port Not Detected If your ESP32 isn't showing up as a serial port when connected to your computer, you won’t be able to upload code or view serial monitor output. Find ESP32 Port on Windows, Mac, and Linux Before you use arduino object to establish a connection to your ESP32 board, it is required that you identify the port to which the ESP32 board is connected. I checked my System Information under USB, and it shows up as "USB Serial". Search for jobs related to Esp32 port not showing mac or hire on the world's largest freelancing marketplace with 23m+ jobs. While some use the widely supported Jan 20, 2024 · I have a MacBook Pro (M3 - Sonoma 14. I've exhausted all options. usbserial-DN02N1D8. Then when I click again in the port Apr 23, 2025 · In this blog post, we provide a clear, step-by-step guide to configuring the ESP-IDF framework for ESP32 development on macOS. x 5 8190 May 5, 2021 Duemilanove not showing Visual-Principle-156 help my esp32 wroom is not detected on my pc hi i'm new to the esp32 bored and ran into a problem. The driver for M1 that I found won't work with M2 models. On the IDE their are two ports listed under "tools>ports" which are My older Mac Laptop didn’t update the drivers for the USB chip, nor could it as the laptop was too old. Disconnect ESP32-C3 and connect it back, to verify which port disappears from the list and then shows back again. I also have tried the legacy driver of CP2102 without luck. The ESP32 series employs either a Tensilica Xtensa LX6, Xtensa LX7 or a RiscV processor, and both dual-core and single-core variations are available. Mar 15, 2025 · I am not able to connect and upload code in my esp32 as my PC is not detecting any ports, i have tried downloading and installing the drivers which are availlable online but still didn't got any results,and also there are no any hidden devices in device manager where I can find the ports, I am using a proper data transfer USB cable and not a charging cable, i also tried uninstalling and Feb 10, 2020 · The Arduino IDE on my MacBook Pro (OS 10. May 24, 2018 · With a good cable and the right driver installed, your PC shoud present a COM port even if you would completely remove the ESP32 module from the board, because the USB communication is not handled by the ESP32. The same happens if I plug it in my Macbook Pro M1 with macOS Big Sur, after I installed the I've been trying to get this ESP32 up and running on my Mac, and I'm running into some issues with it not showing up in the Arduino IDE. " The serial monitor often fails to connect, showing errors such as: Search for jobs related to Esp32 port not showing mac or hire on the world's largest freelancing marketplace with 24m+ jobs. May 28, 2024 · While using Arduino IDE, the ESP32 won't connect to your MAC, neither will show up on the serial ports list. The fix was to use a USB-2 port instead of a USB-3 port on the hub. First Steps on ESP Replace PORT with the device name for the serial port of your ESP32-C3 board. Learn how to install the ESP32 board add-on in Arduino IDE in less than 1 minute. #What I have tried so far I ran ls /dev/cu. usbmodem101 or whatever. All the software installation went OK, but the IDE still does not show the port. (macOS- Catalina) Jan 21, 2025 · Serial Port Problems: The Arduino Nano ESP32 frequently switches between ports, sometimes appearing as COM8, and other times as "1-4 DFU port. The ESP32 has a few problems when you are trying to upload new sketches or install the ESP32 add-on. The device manager on the laptop shows the port as "CP2102 USB to UART Bridge Controller" but also indicates the drivers for May 2, 2019 · I’ve just received my shiny new ESP32 Thing Plus in the mail yesterday, and I can’t do anything with it. But Arduino IDE is not showing any port. If you need to specify the baud rate, replace BAUD with the baud rate you need. A colleague suggested that "Some USB-to-serial devices on Mac leave tied up kernel modules, where the device "shows" in about/system profile but you can't get the The CP210x USB to UART Bridge Virtual COM Port (VCP) drivers are required for device operation as a Virtual COM Port to facilitate host communication with CP210x products. me nothing shows up. Go to Device Manager on W11, and see under "Other" what kind of bridge you have. 8 Flash Frequency: 80Mhz PSRAM enabled: no Upload Speed: 115200 Computer OS: Mac OSX High Sier Jan 16, 2023 · Re: ESP32-S3 COM PORT disappeared ! Postby Rolembeek » Thu Jan 19, 2023 10:04 am Strange ! I tried several times to put it in boot mode without success and suddenly it worked again ! ! I don't understand what happened It is still not showing as COMx (now labeled as "USB JTAG/serial debug unit") but it works Thank all for your support ! Roland ESP32 Troubleshooting Guide Expert tips and interactive solutions for common ESP32 issues. Install the software on Windows, Mac OS X or Linux Ubuntu Operating Systems. my esp32 is not detected on Arduino ide and im not sure why? it's detected my esp8266 fine. I tried rebooting, and then a shutdown/power up, neither one worked. 🔗 Dr Apr 9, 2020 · When I go to select port there's no port for the connected ESP32 module. 3) suddenly stopped seeing the "port" for an Adafruit ESP32 Feather and Xuixin ESP32 board. Its showing me my bluetooth earphone name for example. Apr 26, 2021 · Hello, I've just received a few of these boards to try out and my first attempts have failed. I assume that the Arduino IDE is already installed on your Mac. This device I can May 11, 2017 · I have esp-wroom-32 dev board with USB connector but when I plug it in the board is not visible in Arduino IDE port option (Mac OS X 10. I've recently got an esp32 and went to Tools > Port on Arduino, and the port I'm looking for is not there. The board not longer appears as a USB device when running nor when in ROM bootloader mode. It includes in-built antenna switches, RF balun, power amplifier, low-noise receive amplifier, filters, and power management modules as well. In your Arduino IDE, go to File > Preferences. I bought a few of these and am working with Adafruit's Primary Guide for the product to familiarize myself. Starting to think . Figures below show serial port for ESP32 DevKitC and ESP32 WROVER KIT USB to UART bridge of ESP32-DevKitC in Windows Device Manager Two USB Serial Ports of ESP-WROVER-KIT in Windows Device Aug 1, 2020 · My Arduino Uno is plugged in with mac USB port. With various sensors, connectivity options and processing power, it is ideal for building Internet of Things (IoT) projects. I added my device but when I go to install via “plug into this computer” I don’t see the coms port appear (using chrome on osx). This typically occurs due to missing drivers, especially for modules using the less common CP2102 chip. Im not in my lab at the moment or I’d tell you the markings on the USB chip I had trouble with. Figures below show serial port for ESP32 DevKitC and ESP32 WROVER KIT Standard Toolchain Setup for Linux and macOS [中文] Installation Step by Step This is a detailed roadmap to walk you through the installation process. 1 Search for jobs related to Esp32 port not showing mac or hire on the world's largest freelancing marketplace with 24m+ jobs. May 29, 2022 · I am trying to program the ESP32, but it doesnt show up as a port under Tools / Ports. 3 GHz Dual-Core Intel Core i5). Is that right? Could you also please let me know if you've tried connecting the ESP32 to another computer, just to see if it's recognized there? Sep 26, 2018 · So, here are the steps to get your ESP32 working in a Mac with USB-C ports only: Install the driver (it is actually a kernel extension) to communicate UART through USB, go to Preferences/Security Dec 27, 2023 · ESP32 is a powerful microcontroller board that has integrated WiFi and Bluetooth capabilities. I have try to download the CP2102 drive but still the problem not solved. Aug 21, 2018 · I am using a MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports with 2. It is commonly used for IoT projects and prototyping. I had visibility of the port, with the same name, a few weeks ago. (Well, I do know of ONE issue, but you're not having it, so I won't complicate things. wled. Topic Replies Views Activity Arduino IDE, ESP32 und Mac Deutsch 4 2892 May 6, 2021 Another ESP32 Port Question 3rd Party Boards 4 587 May 28, 2022 USB Port not seen on OSX 10. Jan 23, 2024 · This topic was automatically closed 180 days after the last reply. A common problem is the absence of a COM port when you plug in the device. Driver installed. 8. However, I just got a new laptop with Windows 11 home addition and installed Arduino IDE 2. 1) and connect to a Espressif Feather ESP32-S3. 3. Any help would be great, thanks Mar 17, 2025 · I’m new to the ESP32 and trying to get it working on macOS. but when i connect ESP32 the option ports doesn't appear on device manager list. I update the Espressif via Arduino IDE 2 and I have the CH34x VCP drivers installed. To be able to use the Arduino IDE to program the ESP32, you will need to install the ESP32-Arduino Core software. Note If you’re using Arduino Cloud Editor, see If your board is not detec Apr 16, 2023 · I've tried to connect arduino uno on the port and its working normally. 0. I've tried installing the "3 driver" and "2 driver" and neither did anything. Verifing the Serial Port in macOS Connect your ESP32 board to your Mac using a USB cable. I am now trying to connect an ESP32 board and having same issue: can't get it to show up under any ports. Some devices have adapter built into the circuit board (and some even have the programmer embedded in the MCU, in which case things are a bit easier. First, check the Device Manager to ensure the serial port is properly installed. Programming a ESP-based device is done by connecting the serial port on the ESP8266/ESP32 to your computer through a USB to serial adapter. I am running on MacOS 13. This is usually caused by USB cable issues, missing drivers, or faulty USB ports. So the problem with CP2102 and my Windows 11 is now still a mystery. There was red light on the esp32 but does not show any port on arduino ide. Flashing and troubleshooting common issues like 'Improv Wi-Fi Serial not detected'. Seems very fussy compared to the Mac Book Air M2. 5. 🎥 Check out this informative and practical video guide on fixing the 'No Port' error in the Arduino IDE and installing drivers for three popular boards: ESP32 Jun 11, 2023 · This topic was automatically closed 180 days after the last reply. Depending on your board that might be the CH340 or CP210x chip. It sounds like you're having trouble with your ESP32 not showing up in Device Manager on your Windows 11 PC to install the CP210x VCP driver. I can connect and work with my Arduino Ok both in the PC and the MAC. Cloned a fresh release today where this was happening. Flash Download Tool [中文] 1. It includes in-built antenna switches, RF balun, power amplifier, low-noise receive amplifier, filters, and power management I installed the suggested CP210x USB to UART Bridge, but the port still is not enabled…I tried with three different cables with no luck…Then I repeated all the process in a MAC. Open Terminal: Go to Applications > Utilities > Terminal. If not, check the driver for any issues. But only a Bluetooth connection appears. Topic Replies Views Activity PC don't recieve ESP WRoom 32 Uploading 3 574 June 11, 2024 esp32 doesn't connect to com3 port 3rd Party Boards 2 4485 May 6, 2021 ESP32 -non riconosciuta la porta COM Generale 6 4594 May 7, 2021 Need some help with connecting a new esp32 3rd Party Boards 12 265 Search for jobs related to Esp32 port not showing mac or hire on the world's largest freelancing marketplace with 25m+ jobs. 4 with ch341 v 1. In this tutorial we’ll show you how to install the ESP32 board in the Arduino IDE on Mac OS X or Linux. Generally it is CH340 (older boards) or CP2102. From Wi-Fi connection problems to advanced debugging, we've got you covered. Win 10/64, Device Manager shows: USB-SERIAL CH340 (Com 8). Oct 9, 2022 · Hardware devices ESP32 ESP32-WROOM-32D MacBook Air 2020 OS: macOS 12. Tried multiple USB cables as well and installed the ESP32 library and link under boards manager, still nothing. Assuming that the CH340 is not connected to your computer, you should see something similar to the image below. 2 but cannot get it to detect a USB port. The board does not show up in the Arduino IDE, nor does it show up in terminal when I use ls /dev/cu. If it's not there, take out the USB cable and insert it again while keeping the device manage window open. any idea what it could be 1 Sort by: Add a Comment Search for jobs related to Esp32 port not showing mac or hire on the world's largest freelancing marketplace with 24m+ jobs. 12. I cannot find the serial port in the COM drop-down menu of the Flash Download Tool. These devices can also interface to a host using the direct access driver. May 12, 2016 · I am just getting started with the Adafruit ESP32 Feather V2 (Product ID 5400). If W11 does not register the USB connection as a COM port, it is because the driver in W11 for the USB-UART bridge chip on board is missing from W11. Are you struggling to connect your ESP32 to your PC? Facing issues with the COM port not showing up? Don’t worry—this video has got you covered! Learn how to Jun 18, 2019 · The situation is: My computer can't detect the connected ESP 32. This is the ESP32 troubleshooting guide for Arduino IDE. Let’s walk through how to detect and fix this common issue. To program the ESP32 board and communicate with it from a computer, you need to install USB drivers. I have tried two different boards (ESP32 and ESP8266) on both OSX (Sonoma 14) and Windows 11 and I simply can not get any boards to show up on either system. If you’re using a Windows PC follow these instructions instead. Watch the Video Tutorial This tutorial is available in video format (watch below) and in ESP32 chip not detected I have an ESP32 microcontroller and I have a good USB cord but whenever I try to detect it on install. c0hcc 2hkt 9grnfwv b8 5mog0no 0hwtk mjot1 c9mdf u1m ofwf