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2.1×5.5mm DC Power Jack Panel Mount Female Connector (V2) | Pro Tronix
2.1×5.5mm panel mount DC power female jack with threaded housing and solder lugs. Perfect for custom enclosures, power supplies, and DIY electronics!
MDS-60 Metal Detector Sensor Module Kit | Pro Tronix
Easy-to-assemble 3V-5V MDS-60 metal detector sensor module kit. Features integrated PCB search coil, onboard buzzer, LED indicator, and adjustable sensitivity (up to 60mm range). Perfect for STEM science projects and Arduino automation!
Speaker 4 Ohm 10W | Pro Tronix
4 Ohm 10W audio speaker driver. Compact, high-clarity sound component for DIY speakers, voice alerts, and audio electronics projects!
3V DC Mini PCB Mount Active Buzzer | Pro Tronix
Compact 3V DC mini active PCB mount buzzer. Generates a clear continuous tone automatically when powered. Optimized for 3.3V microcontrollers, ESP32, breadboards, and battery-powered alerts!
BMS 4S 10A 14.8V NMC Protection Module | Pro Tronix
BMS 4S 10A 14.8V/16.8V lithium protection board for 3.7V NMC and 18650 battery packs. Protects against overcharge, over-discharge, and short circuits for custom power projects!