Tag: #iot

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• Driving Motors, Relays, and Inductive Loads: Why You Should Never Power a Motor from GPIO ♪ Listenable

  A GPIO pin can supply tens of milliamps; a small DC motor demands hundreds. This post works through the accidents that gap causes, one by one. It covers using a separate power supply and why you must tie the grounds toge

  2026-07-31 · 23 min read #electronics#arduino#hardware#maker#iot

• 3.3V vs 5V and Level Shifting: Why Raspberry Pi GPIO Can't Survive 5V ♪ Listenable

  Wire a 5V sensor straight into a Raspberry Pi GPIO pin and the pin dies. This post starts from the definition of logic levels to explain exactly why. It covers what the VIH and VIL thresholds mean, why a 3.3V output is u

  2026-07-31 · 20 min read #electronics#raspberry-pi#arduino#hardware#iot

• Home Assistant Matter Server 9.0 — Why It Dropped the Official C++ SDK for a matter.js Rewrite

  On June 23, 2026, Home Assistant's Matter server jumped to 9.0, and with it the Python plus official C++ SDK (connectedhomeip) implementation was replaced wholesale by a new server built on matter.js, rewritten from scra

  2026-07-17 · 11 min read #iot#smart-home#home-assistant#matter#thread

• FingerScore Hardware 4 — Designing BLE Wireless Communication (From GATT to Mobile Integration)

  We design the BLE wireless communication at the heart of the FingerScore smart-scoring ring from the ground up. GAP/GATT concepts, a custom score service, pairing security, Web Bluetooth and Android integration, power sa

  2026-06-17 · 15 min read #fingerscore#ble#bluetooth#gatt#embedded

• IoT Cloud Platforms in 2026 — AWS IoT Core / Azure IoT Hub / Particle / Arduino Cloud / ThingsBoard / Balena / Magistrala (Mainflux) Deep-Dive Comparison ♪ Listenable

  The 2026 map of IoT cloud platforms is completely different from 2018. Google shut down Cloud IoT Core in August 2023, and IBM Watson IoT followed in August 2024. Among the hyperscalers, only AWS IoT Core (+Greengrass+De

  2026-05-16 · 32 min read #iot#aws-iot-core#aws-greengrass#azure-iot-hub#azure-iot-edge

• Embedded Systems & Firmware Development 2026 — STM32, ESP32-C6, RP2040, Raspberry Pi 5, Arduino, PlatformIO, Zephyr RTOS, ESP-IDF Deep Dive ♪ Listenable

  Embedded development in 2026 is no longer “the world of C and assembly only.” Dual-ISA chips like STM32, ESP32-C6 and RP2350 ship in volume, Zephyr RTOS 4.0 and FreeRTOS 11 have cemented their place as default RTOSes, an

  2026-05-16 · 22 min read #english#embedded#firmware#stm32#esp32

• Complete Embedded Systems & IoT Programming Guide 2025: Firmware, RTOS, Protocols

  Everything about embedded/IoT! Microcontrollers (ESP32/STM32/Arduino), RTOS (FreeRTOS/Zephyr), IoT protocols (MQTT/CoAP/LoRaWAN), sensor interfaces (I2C/SPI/UART), firmware OTA, power management, Edge AI, and security.

  2026-04-14 · 17 min read #embedded#iot#firmware#rtos#freertos

• Edge AI Complete Guide 2025: On-Device Inference, Model Optimization, TensorRT/ONNX/CoreML ♪ Listenable

  Everything about Edge AI! On-device inference (TensorRT/ONNX Runtime/CoreML/TFLite), model optimization (quantization/pruning/knowledge distillation), hardware (NVIDIA Jetson/Apple Neural Engine/Qualcomm NPU), Federated

  2026-04-13 · 21 min read #edge-ai#on-device#inference#tensorrt#onnx

• Embedded Systems & IoT Complete Guide: From MCU to Edge AI

  A comprehensive guide to embedded systems and IoT. Covers MCU programming, RTOS, communication protocols (I2C/SPI/UART/CAN), Raspberry Pi, ESP32, and Edge AI (TFLite/ONNX) with real code examples.

  2026-03-17 · 16 min read #embedded-systems#iot#microcontroller#rtos#arduino

• Electronics for Developers — From Arduino to AI Robotics

  A guide for software developers expanding into the hardware world. From Arduino basics to sensor control, ESP32 IoT, and AI + hardware fusion projects. If you can write code, electronics is easier than you think.

  2026-03-03 · 7 min read #ai#arduino#electronics#embedded#iot

• Seeed Studio XIAO nRF52840 Complete Guide — BLE IoT Projects in Practice

  This post is the BLE and low-power edge-device track in the embedded hands-on series. It focuses on building sensor nodes, wearables, and TinyML experiments with Seeed Studio XIAO nRF52840, while pointing readers to the

  2026-03-02 · 5 min read #ai#xiao#nrf52840#ble#iot

• Complete Guide to Building a Drone & Control System with Arduino + Raspberry Pi

  This post is the hub article in the embedded hands-on series. It covers the full control-system picture around an Arduino + Raspberry Pi drone build, from PID control and sensor fusion to autonomy, and points readers to

  2026-03-02 · 9 min read #ai#arduino#raspberry-pi#drone#pid-control