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Function Relay Module

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Door Magnet Relay Module DC 5V Normally Closed Reed Switch Control Switch for Arduino Door Magnet Relay Module DC 5V Normally Closed Reed Switch Control Switch for Arduino Description: The hall sensor contact the magnet, and the reed switch of the hall sensor is pulled in. Then the relay is released. On the contrary, the relay attracts.   Feature: 1>. The line length is 23CM.  ... $3.74
$4.99
SKU: 12526
$3.74
$4.99

3 Channel DC 3.3V 5V Relay Module Relay Expansion Board with Optocoupler Insulation for Arduino 3 Channel DC 3.3V 5V Relay Module Relay Expansion Board with Optocoupler Insulation for Arduino Product Introduction: 1.Size:63*42*20mm 2.Power Supply Voltage:5V 3.Trigger Level:3V-7V trigger 4.Trigger Current:5mA 5.Control Voltage:AC 0-250V or DC 0-30V 6.Control Current:0-7A 7.Function:weak current control strong cur... $2.99
$3.99
SKU: 9665
$2.99
$3.99

12V Upgrade Cycle Timer Delay Dual Display Functions Setting Relay Module 12V Upgrade Cycle Timer Delay Dual Display Functions Setting Relay Module Description: Timing range: 0-999 minutes 0-999 0-999 seconds when three kinds can select the desired Dimensions: Display panel: 79mm * 43 installation: 71mm * 40mm24mm Feature Sets: 18 kinds of combinations of features Relay: Ori... $7.64
$10.19
SKU: 8709
$7.64
$10.19

NE555 Delay Relay Module DC 12V Timer Switch 1-10s Adjustable Relay Module NE555 Delay Relay Module DC 12V Timer Switch 1-10s Adjustable Relay Module Description: Size: 6.8cm * 2.1cm Main chip: NE555 Working voltage: 12v DC   Characteristics: 1. Delay time adjustable (0- 10s) 2. You can add the delay time by adding potentiometer; 3. You c... $2.99
$3.99
SKU: 12360
$2.99
$3.99

DC 12V Delay Timing Relay Shield Timer Switch Module 0~200 Second Adjustable Loop Module with NE555 Oscillator DC 12V Delay Timing Relay Shield Timer Switch Module 0~200 Second Adjustable Loop Module with NE555 Oscillator Description: 1. Power Supply: DC 12V 2. Adjustable time: 0-200 Second 3. Size: 75*20mm 4. LED Indicator: Red-Power;Green-Relay on   Function: Turn on when power on and began to delay. Then turn off after ... $2.24
$2.99
SKU: 7092
$2.24
$2.99

8-Channel USB Relay Module 12V 10A Soft Auto-control Relay 8-Channel USB Relay Module 12V 10A Soft Auto-control Relay Module Description:       The module uses a parallel FIFO FTDI's bi-directional data transfer USB chip,For microprocessor which provides 8-bit parallel data bus D0~D7,For external host is a standard serial bus ... $14.95
$19.93
SKU: 6028
$14.95
$19.93

Automatic headlights Light delay switch Light alarm Module Automatic headlights Light delay switch Light alarm Module Specification   Light automatically detects, brightness detection, through potentiometer can regulation detection brightness valve points, and with since with following electric or buzzer alarm and delay features, can do var... $7.14
$9.52
SKU: 2411
$7.14
$9.52


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