Internet of Things tutorials — ESP8266/ESP32, AWS IoT, Firebase, MQTT, OTA updates, cloud connectivity, and building complete sensor-to-cloud data pipelines.
Compare IoT networking protocols: HTTP, MQTT, and CoAP. Learn publish-subscribe vs request-response, QoS levels, overhead differences, and how to choose the right protocol for your… Read More »Networking Protocols for IoT: MQTT, CoAP, and HTTP
Compare wireless communication technologies for embedded systems: Bluetooth/BLE, WiFi, Zigbee, LoRa, and more. Learn range, power, speed trade-offs and how to choose the right one.
Learn sleep modes in microcontrollers (ESP32, STM32, AVR): idle, light sleep, deep sleep, and shutdown. Covers wake-up sources, duty cycling, and practical tips for ultra-low-power… Read More »Sleep Modes and Low Power Techniques in Microcontrollers
Compare battery technologies for embedded and IoT devices: alkaline, coin cell, LiPo, Li-SOCl2, and NiMH. Covers charging, protection circuits, voltage monitoring, and selection guidelines.
Learn energy harvesting techniques for embedded systems: solar, thermoelectric, piezoelectric, and RF harvesting. Covers harvester ICs, storage options, system architecture, and practical design examples.
Learn secure boot and OTA firmware updates for embedded systems. Covers chain of trust, firmware signing, A/B partitions, flash encryption, and security best practices for… Read More »Secure Boot and Firmware Updates in Embedded Systems
Learn encryption and authentication for embedded systems: AES, ECC, hashing, TLS, mutual TLS, certificate-based auth, and secure key storage with practical examples for ESP32 and… Read More »Encryption and Authentication Techniques for Embedded Systems
Learn power consumption fundamentals for embedded systems: where power goes, how to measure it, and key strategies to extend battery life including sleep modes, clock… Read More »Power Consumption in Embedded Systems: What Every Developer Should Know
KEY TAKEAWAYS In this module, you learn concepts and strategies to assist in securing your IoT infrastructure. Using the AWS IoT security whitepaper, this introduction… Read More »IoT Security
KEY TAKEAWAYS In this post we will see how to control an LED connected to NodeMCU using Google Firebase. We will see how to create… Read More »Google Firebase and NodeMCU – Control LED
