A minimal table to compare the Espressif's MCU families.
| ESP8266 | ESP32 | ESP32-S2 | ESP32-S3 | ESP32-C3 | ESP32-C6 | |
|---|---|---|---|---|---|---|
| Announcement Date | 2014, August | 2016, September | 2019, September | 2020, December | 
| #!/bin/bash | |
| # | |
| # https://docs.docker.com/build/buildkit/ | |
| # https://github.com/docker/buildx/releases/ | |
| # https://github.com/docker/buildx | |
| ## docker builder prune --all | |
| ## docker buildx du --verbose | |
| ## For Ubuntu 24.04 try: sudo apt install docker-buildx | 
| <?php | |
| $img = imagecreatefromjpeg('./delayclose.jpg'); | |
| imagefilter($img, IMG_FILTER_GRAYSCALE); | |
| $width = imagesx($img); | |
| $height = imagesy($img); | |
| $img_arr = array(); | |
| // Parse image (can be combined with dither stage, but combining them is slower.) |