![Hello, I just received this esp32 and i tried to upload a sketch to test it, but the builtin led keeps blinking like this and the board does not execute the sketch.(no Hello, I just received this esp32 and i tried to upload a sketch to test it, but the builtin led keeps blinking like this and the board does not execute the sketch.(no](https://external-preview.redd.it/SolLaToYpHttBQeOo9DdrMn3JYuytY-Ei_4mKuw_C5M.png?format=pjpg&auto=webp&s=e667fa592cf52853c85c892fac52f4ee262f7716)
Hello, I just received this esp32 and i tried to upload a sketch to test it, but the builtin led keeps blinking like this and the board does not execute the sketch.(no
![DIYmall ESP32 DEVKIT V1 ESP32-WROOM-32 Development Board + Assembled RGB LED Status Indicator Addressable PCB Shield for Arduino IOT BME280 DIY Project DIYmall ESP32 DEVKIT V1 ESP32-WROOM-32 Development Board + Assembled RGB LED Status Indicator Addressable PCB Shield for Arduino IOT BME280 DIY Project](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61kBBsB-sBL._AC_UF894,1000_QL80_.jpg)
DIYmall ESP32 DEVKIT V1 ESP32-WROOM-32 Development Board + Assembled RGB LED Status Indicator Addressable PCB Shield for Arduino IOT BME280 DIY Project
![ESP32 Built-in OLED Board (Wemos Lolin32): Pinout, Libraries and OLED Control | Random Nerd Tutorials ESP32 Built-in OLED Board (Wemos Lolin32): Pinout, Libraries and OLED Control | Random Nerd Tutorials](https://randomnerdtutorials.com/wp-content/uploads/2019/07/wemos-lolin-esp32-built-in-oled.jpg)