esp32

This article introduces how to use low-cost ESP32 microcontrollers to build a counter-surveillance platform, employing open-source tools to detect and counter surveillance technologies such as license plate recognition and police cameras, thereby enabling accessible privacy protection.

RotaryCell is an open-source project that converts traditional rotary phones into portable cellular phones using an ESP32-S3 and other electronics, without modifying the original device.

M5Stack has launched PaperMono, a compact E-Ink development terminal powered by ESP32-S3, designed for low-power IoT projects with features like touch display, NFC, and LoRa connectivity.

This article explains how to use Docker and Docker sandboxes for reproducible ESP32 firmware development, including integration with AI coding agents for safe, parallel environments.

An ESP32-based FM radio tuner project using TEA5767 module, featuring custom PCB design with OLED display and amplifier, documented on GitHub.

Artist Justin Blinder created 'Ground Truth,' a device that adjusts bike pedaling resistance based on housing affordability in neighborhoods using data from the American Community Survey to physically experience economic inequalities.

A DIY camera stabilizer project using ESP32, IMU, and micro servos costs $30–45 to build, focusing on educational value rather than competing with commercial products like DJI's RS 4 Mini.

A showcase of a smart e-paper desk dashboard project using ESP32-C6 SuperMini and a 7.5-inch display, part of a 3D printing series by Adafruit.

A developer successfully ran a 5.2 million parameter MoE LLM quantized to INT4 on an ESP32 Dev Kit V1 using only 81KB of SRAM by streaming experts from flash, achieving about 5 tokens per second.

Qapla' is a project that demonstrates training a small transformer language model from scratch on an $8 ESP32-S3 microcontroller, showing that on-device training is feasible without a GPU or datacenter.

The author used GPT-5.6 to complete a garage door recognition project on ESP32-CAM within 10 hours, covering data collection, labeling, training, quantization, and deployment, demonstrating AI's autonomous capabilities in hardware development, and sharing insights on human-machine collaboration.

A software engineer documents how they automated their rental apartment's analog AC unit using an ESP32, stepper motor, and Home Assistant, turning 'dumb' knobs into smart controls via MQTT.

A developer demonstrates running a 28.9 million parameter language model on an $8 ESP32-S3 microcontroller using Google's Per-Layer Embeddings to store most parameters in flash, achieving around 9.5 tokens per second on-device text generation.

The Rust on ESP Book is a comprehensive guide for embedded Rust development on Espressif products, covering project generation, tooling, and software stack structure.

Wokwi is an electronic circuit simulator that runs in the browser, supporting embedded system development like ESP32. You can drag and drop to build circuits, write code (including MicroPython), and simulate Wi-Fi behavior, allowing you to validate projects without hardware.

A developer built a low-cost replacement for a $120k bowling center scoring system using ESP32 microcontrollers, costing only $1,600.

Kode Dot is a pocket-sized programmable device with dual ESP32 MCUs, AMOLED touchscreen, wireless connectivity, and I/O pins, designed for makers, pentesters, and geeks.

The PocketMage is a crowdfunded clamshell PDA powered by an ESP32-S3, featuring both e-paper and OLED displays, a tactile QWERTY keyboard, and open-source software for simple productivity tasks, aimed at tinkerers and nostalgia seekers.

The article demonstrates how to build a smart fan using an ESP32 microcontroller and the iroh networking library, enabling peer-to-peer control without a cloud service.

Dragonfruit is an open-source emulator of the Motorola DragonBall processor that runs Palm OS 3.x on ESP32 devices like the M5Paper, supporting stylus input, ROM loading, and add-on installation.