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# esp32

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ESP32-CAM Currency Recognition with Edge Impulse

ESP32-CAM Currency Recognition with Edge Impulse

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3 min read
Building a Hardware TOTP Authenticator on ESP32: The Memory Management Nightmare

Building a Hardware TOTP Authenticator on ESP32: The Memory Management Nightmare

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3 min read
ESPB: WASM-like bytecode interpreter for ESP32 with seamless FreeRTOS integration. Part 2: The JIT Compiler

ESPB: WASM-like bytecode interpreter for ESP32 with seamless FreeRTOS integration. Part 2: The JIT Compiler

2
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7 min read
Unit testing ESP-IDF components with GoogleTest (host-based)

Unit testing ESP-IDF components with GoogleTest (host-based)

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4 min read
Building an 8-Layer Security Architecture for a $15 Hardware Device

Building an 8-Layer Security Architecture for a $15 Hardware Device

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10 min read
Why I Built a Zero-Dependency secp256k1 Library From Scratch

Why I Built a Zero-Dependency secp256k1 Library From Scratch

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2 min read
Building a Live Bus Tracker with ESP32-CAM, GPS, and Cellular Data (Part 1)

Building a Live Bus Tracker with ESP32-CAM, GPS, and Cellular Data (Part 1)

1
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2 min read
ESP32 WiFi Security Explained for Beginners

ESP32 WiFi Security Explained for Beginners

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5 min read
Complete ESP32 Security Guide for IoT Devices

Complete ESP32 Security Guide for IoT Devices

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5 min read
Build an Offline ESP32 Text-to-Speech System - No Internet Needed!

Build an Offline ESP32 Text-to-Speech System - No Internet Needed!

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3 min read
ESPHome Gerät ständig "Offline"? So fixst du API-Errors und Boot-Loops beim ESP32

ESPHome Gerät ständig "Offline"? So fixst du API-Errors und Boot-Loops beim ESP32

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3 min read
Introducing OpenPager: A POCSAG Transceiver Library for Arduino

Introducing OpenPager: A POCSAG Transceiver Library for Arduino

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2 min read
Modern IoT: Controlling Devices via LINE Bot, MQTT, and Serverless (2026 Edition)

Modern IoT: Controlling Devices via LINE Bot, MQTT, and Serverless (2026 Edition)

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4 min read
wifi_manager: a Wi-Fi state manager for ESP-IDF

wifi_manager: a Wi-Fi state manager for ESP-IDF

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3 min read
Why Core-Aware Logging Matters: The Architecture Behind LHOS_LOGx

Why Core-Aware Logging Matters: The Architecture Behind LHOS_LOGx

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2 min read
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