Edge AI Explained: NPUs, Deployment, Real-World Applications, and Why It Matters
A practical guide to Edge AI: what it is, why it matters, which NPUs support it, how to deploy it, where it's used, and best practices for on-device machine learning.
Iot
GSM Modems in Embedded Systems: AT Commands, Popular Modules, and Practical Examples
Complete guide to GSM/LTE modems for embedded systems: popular modules (SIM800, SIM7600, EC25), AT command protocol explained, practical examples for SMS, calls, HTTP/MQTT, GPS tracking, and remote monitoring applications with working code.
Pi-hole on Raspberry Pi with Docker: Network-Wide DNS Ad Blocker Setup Guide
Complete practical guide to running Pi-hole on Raspberry Pi using Docker: Docker Engine installation, compose configuration, router DHCP setup, and network-wide ad blocking for all devices including IoT endpoints.
MQTT Protocol: A Practical Guide with Code Examples, Libraries, and Real-World Use Cases
A practical guide to MQTT protocol for embedded systems and IoT. Learn how MQTT works, QoS levels, retained messages, libraries in C/Python/JavaScript/Go, and real-world use cases with code examples.
ESP32 vs ARM Cortex-A Application Processors: When to Choose Each for Your IoT Project
Practical comparison of ESP32 (Xtensa dual-core MCU with integrated Wi-Fi/BLE) vs ARM Cortex-A application processors for IoT projects. Learn cost, power, complexity tradeoffs, and when each is the right choice for your connected device.
OTA Firmware Updates: How to Update Embedded Devices Safely
A practical engineer's guide to designing safe OTA firmware update systems for embedded devices. Learn about bootloaders, A/B partitions, signature verification, rollback mechanisms, and how to prevent bricking devices during updates.
Communication Protocols and Interfaces Explained: SPI, I2C, UART, USART, CAN, Ethernet, USB, RS-232, RS-485 and More
A practical engineer-friendly guide to communication protocols and interfaces in modern embedded systems, including UART, USART, SPI, I2C, CAN, CAN FD, RS-232, RS-485, USB, Ethernet, LIN, Modbus, and MQTT.