ESP32-S31 in 2026: Espressif’s Most Powerful AIoT Chip with Wi-Fi 6, Thread and Gigabit Ethernet

Key Takeaway: The ESP32-S31 is Espressif's most powerful microcontroller yet — a dual-core 320 MHz RISC-V chip with Wi-Fi 6, Bluetooth 5.4, Zigbee/Thread, Gigabit Ethernet and Matter support, now in…

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I2C protocol wiring diagram and addressing chart for Arduino and STM32
I2C communication protocol guide showing bus wiring with pull-up resistors and 7-bit address allocation table

I2C Protocol Guide 2026: Complete Wiring, Addressing, and Code Examples

Key Takeaway: The I2C protocol is the most widely used two-wire serial communication standard in embedded systems, connecting microcontrollers like Arduino and STM32 to sensors, displays, and peripherals using just…

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ESP32 as an Industrial PLC: Building Open-Source Automation Controllers with Ladder Logic and Modbus in 2026

Key Takeaway: The ESP32 microcontroller, costing under $10, can replace traditional PLCs costing $500+ for many industrial automation tasks by running open-source ladder logic runtimes, Modbus RTU/TCP communication, and MQTT-based…

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STM32 HMI Touchscreen Interface: Build Custom Industrial Machine Control Panel

Key Takeaway: STMicroelectronics has launched the STM32V8, the industry’s first Cortex-M85 microcontroller built on 18nm PCM technology, and SpaceX has already selected it as the core controller for Starlink satellite…

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