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php-esp32 1.5.0, Production ready?: a config file with secure, secure_boot and power_save set to true, beside a microcontroller glyph

Oct 6, 2026 19 min read

Is php-baremetal/php-esp32 1.5.0 production ready?

Still a lot of work ahead, but 1.5.0 takes two huge steps: hidden source code for products coming off the line, and a board that sleeps at ~0.95 mA when idle.

Gianfrancesco Aurecchia release security

php-esp32 1.4.0 The Reactor: an event listener, watch_gpio and serve_ws in PHP beside a microcontroller glyph

Sep 30, 2026 13 min read

PHP on the ESP32 now reacts: events, WebSocket and a second core

Tilt the board and the plot moves in your browser. php-esp32 1.4.0 lets PHP sleep until the hardware wakes it: typed events, live WebSocket, and a second core.

Gianfrancesco Aurecchia release events

The php-baremetal cover: PHP code starting a WiFi access point and driving the onboard RGB LED of an ESP32-S3.

Sep 9, 2026 10 min read

PHP on a $4 chip: its own WiFi, its own web server, control led

An ESP32-S3 boots its own WiFi network, serves a control page written in PHP, and drives its onboard RGB LED live. No router, no cloud, no app.

Gianfrancesco Aurecchia tutorial esp32

Sep 9, 2026 23 min read

Real PHP on an ESP32: welcome to the php-baremetal blog

The unmodified Zend engine from php.net, cross-compiled for a microcontroller: what php-baremetal is, what it runs today, and the new WiFi support.

Gianfrancesco Aurecchia introduction esp32