ESPHome to KNX via Home Assistant: Sensors and Switch States
Bridge ESPHome devices to KNX through Home Assistant: expose ESP32 sensor values and switch states, accept KNX commands, map DPTs correctly and avoid feedback loops.
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ESP32-S3 N8R8 vs N16R8: 8MB vs 16MB Flash Explained
ESP32-S3 N8R8 vs N16R8: both have 8 MB PSRAM; N8R8 has 8 MB flash and N16R8 has 16 MB. Includes correct QIO/OPI Arduino and PlatformIO settings.
Speeduino vs rusEFI vs MegaSquirt: Which DIY ECU Should You Choose? (2026)
Speeduino vs rusEFI vs MegaSquirt compared for 2026: open source, hardware, TunerStudio, sequential injection, ignition, CAN, DBW, wideband, cost and which DIY ECU to choose.
Speeduino Wiring Guide: Sensors, Injectors, Ignition, Crank & Cam Inputs (2026)
Practical Speeduino wiring guide for 2026: crank/cam sensors, TPS, MAP, IAT, CLT, wideband O2, injectors, ignition coils, idle, fuel pump, grounding and shielded wiring.
Speeduino Explained: How the DIY Arduino ECU Works (2026)
Speeduino explained for 2026: how the open-source DIY ECU reads crank/cam and engine sensors, controls injectors and ignition, uses TunerStudio, and what hardware you actually need.
Raspberry Pi Pico W vs ESP32: Which Is Better for IoT & Home Assistant? (2026)
Raspberry Pi Pico W vs ESP32 for IoT and Home Assistant in 2026: Wi-Fi, Bluetooth, ESPHome, BLE proxy, GPIO, ADC, power, performance and which board to choose.
RP2040 vs RP2350: Is Raspberry Pi Pico 2 Worth It? (2026)
Raspberry Pi Pico 2 / RP2350 Pinout + Safe GPIOs & Interfaces (2026)
Complete Raspberry Pi Pico 2 / RP2350 pinout guide for 2026: safe GPIOs, ADC, I2C, SPI, UART, PWM, PIO, USB, power pins, BOOTSEL, SWD and MicroPython/Arduino setup.
STM32 Blue Pill vs Black Pill: F411 Faster, F103 Has CAN
STM32 Blue Pill vs Black Pill compared: F411 Black Pill wins on CPU, RAM, flash and USB; F103 Blue Pill still wins when native CAN or legacy compatibility matters.
STM32F411 Black Pill Pinout, GPIOs, USB & Arduino Guide (2026)
Complete STM32F411CEU6 Black Pill guide for 2026: pinout, GPIOs, ADC, I2C, SPI, UART, USB-C DFU, SWD, boot mode and Arduino IDE setup.