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.
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 project.
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 designs.
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 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 ESP32 and STM32.
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 STM32.
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 power consumption fundamentals for embedded systems: where power goes, how to measure it, and key strategies to extend battery life including sleep modes, clock scaling, and power gating.
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
KEY TAKEAWAYS OTA Stands for over the air. An over-the-air (OTA) update is a mechanism for remotely updating internet-connected hardware with new settings, software, and… Read More »OTA (Over-the-Air) Update in ESP8266
