Adding Two-Factor Authentication to a DIY Smart Home Dashboard Using TOTP and OLED Display
Just imagine unlocking your smart home with a flicker of light and a code that changes every 30 seconds—here’s how it works.
Implementing Rate Limiting on ESP8266 Web Servers to Prevent Brute-Force Login Attacks
Only five login attempts per minute per IP—discover how lightweight in-memory tracking thwarts brute-force attacks on ESP8266 without breaking a sweat.
Constructing a Physical Intrusion Detection System for IoT Devices Using Case Tamper Switches and Logging
How a $2 switch and an ESP32 can catch intruders red-handed—before they compromise your entire network.
Integrating Certificate-Based Client Authentication for REST APIs in Custom IoT Gateways
No IoT gateway is truly secure until it enforces client certificate authentication—see how we implemented mTLS with automated certificate rotation.
Using Hardware Security Modules (HSMS) With Arduino to Protect Cryptographic Keys in Iot Deployments
A single chip can safeguard your IoT keys from physical attacks—discover how integrating an HSM with Arduino prevents cloning and secures communication at scale.
Developing a Firmware Rollback Mechanism for ESP32 Devices After Failed OTA Updates
Power-loss during an OTA update won’t brick your device—if you implement rollback correctly. What happens next could save your deployment.
Building a Local-Only Home Automation Hub Using ESP32 and mDNS to Eliminate Cloud Dependency
Discover how to build a lightning-fast, cloud-free home automation hub with ESP32 and mDNS—unlocking seamless, secure voice control that responds in under 200 milliseconds.
Implementing End-to-End TLS Encryption for Secure MQTT Communication in Home Automation Networks
Keeping keys confidential is just the beginning—what happens when certificates expire across hundreds of devices? The real challenge lies in seamless, secure automation.
Developing Diagnostic Beacon Modes to Aid Troubleshooting of Silent Field Devices
One secret to uncovering silent field device failures lies in a hidden beacon mode—discover how to activate it and eliminate guesswork forever.
Designing Graceful Degradation Paths When Internet Connectivity Is Lost Temporarily
When the internet drops, trust your smart system to keep running—discover how local processing and offline-first design maintain control beneath the surface.
