Speeduino First Start and Sync-Loss Troubleshooting
Speeduino first-start and sync-loss troubleshooting: pre-start checks, tooth logs, fixed timing, RPM dropouts, no-start diagnosis, fuel pressure and trigger-noise fixes.
Speeduino Injector Sizing: Flow Rate, Duty Cycle and High vs Low Impedance
Speeduino injector sizing explained: flow rate, BSFC, duty cycle, fuel pressure, dead time, high vs low impedance injectors, wiring and required-fuel setup.
Speeduino Ignition Outputs: Smart Coils, Dumb Coils and Igniters
Speeduino ignition outputs explained: smart vs dumb coils, external igniters, dwell, output polarity, wasted spark, COP wiring, grounding and safe commissioning.
Speeduino VR vs Hall Sensors: Crank and Cam Input Wiring
Speeduino VR vs Hall crank and cam sensors explained: wiring, pull-ups, conditioners, polarity, shielding, air gap, trigger edge and sync-loss troubleshooting.
Speeduino Trigger Patterns Explained: 36-1, 60-2, Missing-Tooth and Dual-Wheel
Speeduino trigger patterns explained: 36-1, 60-2, missing-tooth and dual-wheel setups, cam sync, trigger angle, VR/Hall signals and sync-loss troubleshooting.
Speeduino TunerStudio Setup and Bench Checks
Speeduino TunerStudio setup and bench-test guide: firmware and INI matching, project creation, sensor calibration, output tests, trigger/RPM checks, Ardu-Stim and first-crank preparation.
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.