2× PWM DC Motor Speed Regulator, knobs color by random. PWM duty cycle: 1% -100%. PWM frequency: 20khz. Output power: 90W (max).
eBay
1/2" Plastic Solenoid Valve 12V 24V 220V Magnetic Washing Machine Dispenser Drinking Water Pneumatic Pressure Controller Switch
Aliexpress UK
Max current: 60A. - Accuracy circuit design, high efficiency, high torque and high power. - High frequency drive system. - Rotary knob: 100K (with Switch). Electric vehicles and cars cannot be used.
eBay
Car Horn Controller with 8 10 12 Sound Effects Switching Electric Horn Speaker Wireless Control Sound Control for Car Boat Truck
Aliexpress UK
Continuous power: 2000W. Speed regulation type: flow regulation. Speed range: 0—100%. hope you could understand. Motherboard installation size: length width 72MM 48MM. Module size: length width height 83MM 56MM 28MM.
eBay
Water level controller, float ball valve switch, water stop valve, fully automatic water tower control valve 1/2" 3/4" 1 Inch
Aliexpress UK
Blocking protection(20A current limited) can limit the high current produced by the blocking of the motor. The maximum current is 20A. Current: 0-20A (Limited value 20A). Blocking protection is not a power cut, it is current value of 20A.
eBay
Professional 12 Channel 99 DSP Audio Mixer DJ Controller Reverb Recording Mixing With Bluetooth For Recording Stage Performance
Aliexpress UK
With over current protection and short circuit protection. Color: as shown. There are NO EXCEPTIONS!
eBay
Tuya Zigbee Wireless Smart Scene Switch 4 Gang 12 Modes Home Automatic Lighting Scene Button Controller Need ZigBee Gateway
Aliexpress UK
Max current: 60A. - Accuracy circuit design, high efficiency, high torque and high power. - High frequency drive system. - Rotary knob: 100K (with Switch). We can resolve the problem. We will do out best to make you satisfied!
eBay
1PC LED Digital Temperature Controller, Thermostat, Thermoregulator, Incubator Relay, Heating and Cooling 12 V 24V 220V STC-1000
Aliexpress UK
Maximum Current: 3A. This governor is used for DC brushed motor. Convenient to use, simply rotate the knob to change output so to change the revolving speed of brushed motor.
eBay
MOES 4-Gang Tuya ZigBee Smart Switch, 12 Scene Controller, Battery Operated, App Remote Control for Home Automation
Aliexpress UK
Adopt imported special speed drive IC. PWM duty cycle: 5%-100%. PWM frequency: 12khz. High reliability. High efficiency, high torque, low heat generation. Item weight: Approx. 137g / 4.83oz. Item size: 12.2 5.5 3.8cm / 4.8 2.17 1.5in(L W H).
eBay
Tuya Wifi Valve Support Drinking Water SS304 1/2" 3/4" 1" Ball Valve Automation Controller with Alexa Google Assistant SmartLife
Aliexpress UK