购买 Arduino Countdown Timer with Relay

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Oumefar DC 8-36V 8-Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Relay Board For Various Power Control Applications
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Oumefar DC 8-36V 8-Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Relay Board For Various Power Control Applications
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Hilitand 2Pcs DC 5V-36V Timer Module Trigger Cycle Delay Timer Switch Turn On/Off Relay Module With LED Display
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Hilitand 2Pcs DC 5V-36V Timer Module Trigger Cycle Delay Timer Switch Turn On/Off Relay Module With LED Display
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Programmable Cycle Timer Relay Module With Digital LED Display DC 5V To 36V Delay Switch Controller Board For Automation Equipment DIY Projects
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Programmable Cycle Timer Relay Module With Digital LED Display DC 5V To 36V Delay Switch Controller Board For Automation Equipment DIY Projects
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Timer Relay Module DC 12V Delay Timer Switch Relay Board Adjustable 0 To 25 Off Module For Car Lamp Delay
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Timer Relay Module DC 12V Delay Timer Switch Relay Board Adjustable 0 To 25 Off Module For Car Lamp Delay
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DC12V 0-15Min Adjustable Infinite Cycle Delay Timer Relay Switch Module ON Off Control For DIY Projects And Automation (DC12V 0-15Min Adjustable)
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DC12V 0-15Min Adjustable Infinite Cycle Delay Timer Relay Switch Module ON Off Control For DIY Projects And Automation (DC12V 0-15Min Adjustable)
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Haldzemo NE555 DC12V 0 To 10 Second Delay Timer Relay Switch Adjustable Module Compatible For Arduino (9 Pack)
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Haldzemo NE555 DC12V 0 To 10 Second Delay Timer Relay Switch Adjustable Module Compatible For Arduino (9 Pack)
Amazon.com
$8.37
DC 5-36V Digital LED Relay Board Dual-MOS Cycle Timing Circuit Switch Timer Delay Module Turn On Off Relay Module
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51
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DC 5-36V Digital LED Relay Board Dual-MOS Cycle Timing Circuit Switch Timer Delay Module Turn On Off Relay Module
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$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
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377
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
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$4.01
Estardyn 6-30V Relay Module Timer Switch Adjustable Delay Cycle ON/OFF Control For Arduino DIY
Aliexpress
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$2.06
$4.01
Estardyn 6-30V Relay Module Timer Switch Adjustable Delay Cycle ON/OFF Control For Arduino DIY
Aliexpress
$12.30
Time Delay Relay Module LED Display Digital Timer Relay PLC Automation Control Switch Module(12V)
Amazon.com
$12.30
Time Delay Relay Module LED Display Digital Timer Relay PLC Automation Control Switch Module(12V)
Amazon.com
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Delay Timer Relay Self-Locking Delay On Off Time Switch Loop Module Super 555 Timer DC 5V/12V/24V(DC24V)
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Delay Timer Relay Self-Locking Delay On Off Time Switch Loop Module Super 555 Timer DC 5V/12V/24V(DC24V)
Amazon.com
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DC 5V 12V 24V Adjustable Cycle Trigger Delay Timing Timer Relay On/Off Switch(DC12V 0-120Min Adjustable)
Amazon.com
23
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DC 5V 12V 24V Adjustable Cycle Trigger Delay Timing Timer Relay On/Off Switch(DC12V 0-120Min Adjustable)
Amazon.com
$7.49
Time Delay Relay, DC 12V Timer Module Adjustable Timer Delay Turn Off Module Timing Relay Time Switch 110 Second
Amazon.com
50
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Time Delay Relay, DC 12V Timer Module Adjustable Timer Delay Turn Off Module Timing Relay Time Switch 110 Second
Amazon.com
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$22.07
DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch
Aliexpress
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$22.07
DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch
Aliexpress
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$35.06
8 Channel Pro Mini PLC Relay Shield Module For Arduino - Multifunction Delay Timer Switch Board
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8 Channel Pro Mini PLC Relay Shield Module For Arduino - Multifunction Delay Timer Switch Board
Aliexpress
$124.99
Epiroc 2657981706 Relay,Timer,24 V,Interval
FinditParts
$124.99
Epiroc 2657981706 Relay,Timer,24 V,Interval
FinditParts
$7.83
Marhynchus Timer Relay Module DC 12V Adjustable LED Display Countdown Timing Delay Turn Off Relay Switch
Amazon.com
$7.83
Marhynchus Timer Relay Module DC 12V Adjustable LED Display Countdown Timing Delay Turn Off Relay Switch
Amazon.com
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$6.64
Practical Delay Relay Module With LCD Display For DC 5V 12V 24V Digital Timer Cycle Delay Loop
Aliexpress
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$6.64
Practical Delay Relay Module With LCD Display For DC 5V 12V 24V Digital Timer Cycle Delay Loop
Aliexpress
$6.59
12V Trigger Delay Normally Open Relay Module, Adjustable Turn Off Delay Timer Switch Module, For Industrial Control, With Anti Reverse Diode, Suitable
Amazon.com
Free shipping
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12V Trigger Delay Normally Open Relay Module, Adjustable Turn Off Delay Timer Switch Module, For Industrial Control, With Anti Reverse Diode, Suitable
Amazon.com
$9.93
JESSINIE DC 5V 12V Time Delay Relay Module For Arduino Robot/Smart Home/Tachograph/GPS/PLC Control/Industrial Control,Delay Board Disconnect On
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JESSINIE DC 5V 12V Time Delay Relay Module For Arduino Robot/Smart Home/Tachograph/GPS/PLC Control/Industrial Control,Delay Board Disconnect On
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DC 5V/12V/24V Delay Timer Relay, Self-Locking Delay On Off Time Switch Super 555 Timer DC 5V/12V/24V (DC12V)
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2
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DC 5V/12V/24V Delay Timer Relay, Self-Locking Delay On Off Time Switch Super 555 Timer DC 5V/12V/24V (DC12V)
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DC 5V 12V 24V 10A Adjustable Time Delay Relay Module LED Digital Timming Relay Timer Delay Trigger
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DC 5V 12V 24V 10A Adjustable Time Delay Relay Module LED Digital Timming Relay Timer Delay Trigger
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Programmable Timer Relay Module DC 6-30V Digital Time Delay Cycle Control Switch With LED Display
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Programmable Timer Relay Module DC 6-30V Digital Time Delay Cycle Control Switch With LED Display
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1PCS DC 5V / 12V / 24V Multifunction Digital Time Infinite Delay Switch Timer Relay Module
Aliexpress
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PLC Board Relay Shield Module For Arduino Multifunction Delay Timer Switch Board
eBay
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PLC Board Relay Shield Module For Arduino Multifunction Delay Timer Switch Board
eBay
$2.67
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
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Relay Trigger Delay Switch Board Module DIY Time Delay Relay Module Timer Relay Switch Board 12V DC
AliExpress
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Relay Trigger Delay Switch Board Module DIY Time Delay Relay Module Timer Relay Switch Board 12V DC
AliExpress
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Square D 9050Jck25v20 : Timer Relay 240Vac 10Amp +Options
Gordon Electric Supply
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Square D 9050Jck25v20 : Timer Relay 240Vac 10Amp +Options
Gordon Electric Supply
$14.88
Gikfun 60 Seconds DIY Electronic Timer Soldering Practice Board Kit For Arduino 61 Red LED EK1904
Amazon.com
183
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Gikfun 60 Seconds DIY Electronic Timer Soldering Practice Board Kit For Arduino 61 Red LED EK1904
Amazon.com
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DC 6-30V Timer Relay Programmable Delay Relay Module Cycle Timer With LED Display 6V 9V 12V 24V
Aliexpress
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DC 6-30V Timer Relay Programmable Delay Relay Module Cycle Timer With LED Display 6V 9V 12V 24V
Aliexpress
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DC 5V/ 12V/ 24V Trigger Infinite Cycle Delay Timer Relay Switch Turn On Off Loop Module 1S-100S/
Aliexpress
$4.51
DC 5V/ 12V/ 24V Trigger Infinite Cycle Delay Timer Relay Switch Turn On Off Loop Module 1S-100S/
Aliexpress
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$1.67
1 Channel 5V Relay Module Time Delay Relay Module Trigger OFF / ON Switch Timing Cycle 999 Minutes
Aliexpress
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$1.67
1 Channel 5V Relay Module Time Delay Relay Module Trigger OFF / ON Switch Timing Cycle 999 Minutes
Aliexpress
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$4.74
DC 5V 12V 24V 10A Adjustable Time Delay Relay Module 32 Modes LED Digital Timming Trigger Timer
Aliexpress
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$4.74
DC 5V 12V 24V 10A Adjustable Time Delay Relay Module 32 Modes LED Digital Timming Trigger Timer
Aliexpress
$17.99
DROK Timer Relay 2Pcs, DC 6V-30V LCD Display Time Delay Relay Cycle Timer 0.01S-9999Mins With Input 5V Micro USB Port
Amazon.com
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DROK Timer Relay 2Pcs, DC 6V-30V LCD Display Time Delay Relay Cycle Timer 0.01S-9999Mins With Input 5V Micro USB Port
Amazon.com
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$3.93
DC 12V 24V Timer Module Adjustable Timer Delay Turn Off Module Timing Relay Switch 0-10Sec 0-5Min
Aliexpress
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$3.22
$3.93
DC 12V 24V Timer Module Adjustable Timer Delay Turn Off Module Timing Relay Switch 0-10Sec 0-5Min
Aliexpress
$2.21
Delay R Elay Delay Turn On / Delay Turn Off Switch Module With Timer DC 12V Board Module For Arduino
Aliexpress
$2.21
Delay R Elay Delay Turn On / Delay Turn Off Switch Module With Timer DC 12V Board Module For Arduino
Aliexpress
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购买 Arduino Countdown Timer with Relay

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$27.22
Oumefar DC 8-36V 8-Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Relay Board For Various Power Control Applications
Amazon.com
$27.22
Oumefar DC 8-36V 8-Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Relay Board For Various Power Control Applications
Amazon.com
$11.08
Hilitand 2Pcs DC 5V-36V Timer Module Trigger Cycle Delay Timer Switch Turn On/Off Relay Module With LED Display
Amazon.com
$11.08
Hilitand 2Pcs DC 5V-36V Timer Module Trigger Cycle Delay Timer Switch Turn On/Off Relay Module With LED Display
Amazon.com
$8.00
Programmable Cycle Timer Relay Module With Digital LED Display DC 5V To 36V Delay Switch Controller Board For Automation Equipment DIY Projects
Amazon.com
$8.00
Programmable Cycle Timer Relay Module With Digital LED Display DC 5V To 36V Delay Switch Controller Board For Automation Equipment DIY Projects
Amazon.com
$6.59
Timer Relay Module DC 12V Delay Timer Switch Relay Board Adjustable 0 To 25 Off Module For Car Lamp Delay
Amazon.com
$6.59
Timer Relay Module DC 12V Delay Timer Switch Relay Board Adjustable 0 To 25 Off Module For Car Lamp Delay
Amazon.com
$9.30
DC12V 0-15Min Adjustable Infinite Cycle Delay Timer Relay Switch Module ON Off Control For DIY Projects And Automation (DC12V 0-15Min Adjustable)
Amazon.com
Free shipping
$9.30
DC12V 0-15Min Adjustable Infinite Cycle Delay Timer Relay Switch Module ON Off Control For DIY Projects And Automation (DC12V 0-15Min Adjustable)
Amazon.com
$12.99
Haldzemo NE555 DC12V 0 To 10 Second Delay Timer Relay Switch Adjustable Module Compatible For Arduino (9 Pack)
Amazon.com
$12.99
Haldzemo NE555 DC12V 0 To 10 Second Delay Timer Relay Switch Adjustable Module Compatible For Arduino (9 Pack)
Amazon.com
$8.37
DC 5-36V Digital LED Relay Board Dual-MOS Cycle Timing Circuit Switch Timer Delay Module Turn On Off Relay Module
Amazon.com
51
$8.37
DC 5-36V Digital LED Relay Board Dual-MOS Cycle Timing Circuit Switch Timer Delay Module Turn On Off Relay Module
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$2.06
$4.01
Estardyn 6-30V Relay Module Timer Switch Adjustable Delay Cycle ON/OFF Control For Arduino DIY
Aliexpress
折扣 48%
$2.06
$4.01
Estardyn 6-30V Relay Module Timer Switch Adjustable Delay Cycle ON/OFF Control For Arduino DIY
Aliexpress
$12.30
Time Delay Relay Module LED Display Digital Timer Relay PLC Automation Control Switch Module(12V)
Amazon.com
$12.30
Time Delay Relay Module LED Display Digital Timer Relay PLC Automation Control Switch Module(12V)
Amazon.com
$9.08
$11.05
Delay Timer Relay Self-Locking Delay On Off Time Switch Loop Module Super 555 Timer DC 5V/12V/24V(DC24V)
Amazon.com
52
折扣 17%
$9.08
$11.05
Delay Timer Relay Self-Locking Delay On Off Time Switch Loop Module Super 555 Timer DC 5V/12V/24V(DC24V)
Amazon.com
$7.71
DC 5V 12V 24V Adjustable Cycle Trigger Delay Timing Timer Relay On/Off Switch(DC12V 0-120Min Adjustable)
Amazon.com
23
$7.71
DC 5V 12V 24V Adjustable Cycle Trigger Delay Timing Timer Relay On/Off Switch(DC12V 0-120Min Adjustable)
Amazon.com
$7.49
Time Delay Relay, DC 12V Timer Module Adjustable Timer Delay Turn Off Module Timing Relay Time Switch 110 Second
Amazon.com
50
$7.49
Time Delay Relay, DC 12V Timer Module Adjustable Timer Delay Turn Off Module Timing Relay Time Switch 110 Second
Amazon.com
$21.18
$22.07
DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch
Aliexpress
Free shipping
$21.18
$22.07
DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch
Aliexpress
$27.90
$35.06
8 Channel Pro Mini PLC Relay Shield Module For Arduino - Multifunction Delay Timer Switch Board
Aliexpress
Free shipping
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$27.90
$35.06
8 Channel Pro Mini PLC Relay Shield Module For Arduino - Multifunction Delay Timer Switch Board
Aliexpress
$124.99
Epiroc 2657981706 Relay,Timer,24 V,Interval
FinditParts
$124.99
Epiroc 2657981706 Relay,Timer,24 V,Interval
FinditParts
$7.83
Marhynchus Timer Relay Module DC 12V Adjustable LED Display Countdown Timing Delay Turn Off Relay Switch
Amazon.com
$7.83
Marhynchus Timer Relay Module DC 12V Adjustable LED Display Countdown Timing Delay Turn Off Relay Switch
Amazon.com
$3.19
$6.64
Practical Delay Relay Module With LCD Display For DC 5V 12V 24V Digital Timer Cycle Delay Loop
Aliexpress
折扣 51%
$3.19
$6.64
Practical Delay Relay Module With LCD Display For DC 5V 12V 24V Digital Timer Cycle Delay Loop
Aliexpress