panakos
ESP32 GPIO Expanders: MCP23017 vs PCF8574 vs PCF8575
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.
ESP32-S3 Flash and PSRAM: N8R8 vs N16R8 and Correct Settings
ESP32-S3 N8R8 vs N16R8 explained: flash and PSRAM sizes, QIO vs OPI, correct Arduino IDE and PlatformIO settings, diagnostics and common boot errors.
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: Raspberry Pi Pico vs Pico 2 Compared (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.