#esp32c3

Cómo comunicar un ESP32 hub con varios nodos por ESP-NOW: el canal compartido, un mensaje con estructura propia, confirmación con tiempo de espera, límites y errores comunes.

Comparativa práctica entre ESP32-S3 y ESP32-C3: cuándo conviene cada uno como hub conectado a la nube o como nodo simple, cómo medir la memoria libre y las trampas de las placas Super Mini.

Hide ESP32-C3 IR Blaster: A maker hid an ESP32-C3 inside a walnut shell to beam IR commands at gear that never got a Wi-Fi upgrade. Here is how the GPIO wiring and parts list work.

10 ESP32-C3 Fridge Monitor: A $10 XIAO ESP32C3 and a DHT22 keep 30 minutes of fridge temperature history on-device, cutting network traffic by 92 percent. A tidy weekend build.

AirMeter Stream AN870 Multimeter's: A hacker tapped a cheap AN870 multimeter's LCD lines with an RP2040 and streamed live readings to any browser over 433 MHz. Here's how the mod works.

Giant 3D-Printed Spiral Lamp: A floor-standing spiral lamp built from 3D-printed segments and addressable LEDs, driven by WLED on an ESP32-C3. Here is how it goes together.