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DC-5V Power Supply 32 way Relay Module ESP32 Secondary Development Board
$20-21.67
Min. order 1 piece
DC 5V Power Supply ESP-12F 32ch Relay Module ESP8266 Development Board Secondary Development
$20.87-22.61
Min. order 1 piece
Upgraded 8CH USB Electronic Switch Input Output Relay Module PC PLC Server Industrial Computer IO Expansion Board DC 12V 24V
$18.30-20.50
Min. order 1 piece
ESP32 DevKit V1 30Pin DIN Rail Expansion Board - Multi-Voltage (5V/12V/24V) WiFi Smart Home LED Module for DIY Automation
$20.50-29.50
Min. order 10 pieces
Motor Regulator ,Motor Speed Controller 
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Motor Regulator ,Motor Speed Controller 
DC 5V-12V 6V Stepper Motor Driver Mini 2-phase 4-wire 4-phase 5-wire Multifunction Step Motor Speed Controller Module Board
$1.80-2
Min. Order: 20 pieces
DC9-55V 60A 2500W DC Brush Motor Controller PWM Electronic Speed Switch 12V 24V 36V 48V Speeder Motor Speed Regulator
$6.80-7.50
Min. Order: 20 pieces
Three-Phase Sensorless Brushless Motor Speed Controller Fan Drive DC 5-36V
$7-7.60
Min. Order: 10 pieces
12V-60V DC motor Speed Controller 70A Reversible PWM Control Forward Reverse Switch
$15.70-16.40
Min. Order: 5 pieces
100A PWM Motor Speed Controller High-Power DC Motor Reducer Governor Forward/Reverse Switch Motor Speed Controller
$18.60-19.60
Min. Order: 3 pieces
DC 10V-55V 60A DC Brush Motor Speed Controller Governor Bidirectional Reverse Switch PWM Motor Speed Controller 12V 24V Governor
$7.30-7.60
Min. Order: 10 pieces
High Power 4000W DC10-60V 70A PWM DC Motor Speed Controller 12V 24V 36V 48V Brush Motor Regulator with Over Current Protection
$12.70-13.40
Min. Order: 5 pieces
60A 10-55V Digital display PWM speed controller module forward reversal 0~100% adjustable DC motor 12V 24V 36V 48V MAX 100A
$8-8.30
Min. Order: 5 pieces
4000W AC 0-220V SCR Adjustable Motor Speed Controller Control Dimming Dimmers Voltage Regulator Thermostat Import High-power
$2.20-2.40
Min. Order: 20 pieces
30A DC 6V-60V 12V 24V 48V PWM Motor Speed Controller Digital LED Display 0~100% adjustable 15KHZ With potentiometer switch
$3.10-3.30
Min. Order: 20 pieces
Governor DC Reducer PWM Motor Controller 48v 200a High-Power Industrial Forward Reverse 12-48V 200A-S2 Linear Under Load
$38.30-38.80
Min. Order: 1 piece
DC 6V-60V Smart PWM DC Motor Speed Controller Encoder Knob Frequency Settable Soft Start Brushed Motor Controller
$5.20-5.40
Min. Order: 5 pieces
2000W AC 220V SCR voltage regulation External knob PWM motor speed controller power supply module
$1.10-1.30
Min. Order: 50 pieces
4000W 0-220V AC SCR Electric Voltage Regulator Motor Speed Controller with External knob
$1.50-1.60
Min. Order: 30 pieces
2000W high power thyristor electronic voltage regulator motor Fan drill speed regulator temperature regulator 220V
$0.48-0.55
Min. Order: 50 pieces
10000W Motor Speed Controller High Power AC 220V SCR Voltage Regulator Dimmer Switch Speed Control Thermostat + Digital Meter
$8.20-10
Min. Order: 10 pieces