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Raspberry Pi Relay Module HAT Expansion Board Three Channel (3-CH) Power Relay Module for Raspberry Pi 4B/3B+/3B/2B/A+/B+ for Smart Home
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  • $24.68 
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DIN Rail Mount 8 SPDT IoT Power Relay Module for BeagleBone Black
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  • $113.78 
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Funssor Microswitch_Endstop Microswitch XY Endstop PCB with Omron D2F-L end switch
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Funssor Microswitch_Endstop Microswitch XY Endstop PCB with Omron D2F-L end switch

Limited time offer, ends 09/16

  • Model #: WLC78S.0807.Pallet1751
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  • $40.74 
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12V Power On Time Delay Relay Module, Adjustable Delay Timer Circuit Board, for Automation Projects
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  • $12.99 
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5V Power On Time Delay Relay Module, Adjustable Delay Timer Circuit Board, for Automation Projects
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  • $12.99 
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5V 1 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control for Raspberry Pi
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  • $12.99 
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12V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control for Raspberry Pi
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  • $14.17 
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24V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control for Raspberry Pi
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  • $13.33 
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24V 1 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control for Raspberry Pi
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  • $12.99 
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5PCS SIP-1A05 Reed Switch Relay 5V SIP-1A05 Reed Relay Switch 4 Pins DC Resistance 450~550ohm Normally Open 1A Relay Module
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  • $12.99 
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10pcs 5020 SMD Surface Mount Passive Electromagnetic Buzzer 5x5x2mm Ultra-Thin Miniature Electronic Buzzers
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  • $11.99 
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10pcs 8.5x8.5mm Passive Electromagnetic Buzzer 3V High Temperature Resistance
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10pcs 8.5x8.5mm Passive Electromagnetic Buzzer 3V High Temperature Resistance

Limited time offer, ends 09/19

  • Model #: C75J*OYJ*G1*0819-880
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  • $11.99 
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30pcs HC12085_16 Passive Electromagnetic Buzzer 1.5V-3.3V 12x8.5mm for Electronic Devices
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  • $12.99 
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30pcs HC9042 AC Buzzer 3.3V-9V 9x4.2mm Passive Electromagnetic Compact Alarm Indicator
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30pcs HC9042 AC Buzzer 3.3V-9V 9x4.2mm Passive Electromagnetic Compact Alarm Indicator

Limited time offer, ends 09/19

  • Model #: C75J*OYJ*G1*0819-886
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  • $12.99 
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30pcs HC9042 16 AC Electromagnetic Buzzer 1.5V-3.3V 9x4.2mm High-Temperature Resistant
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30pcs HC9042 16 AC Electromagnetic Buzzer 1.5V-3.3V 9x4.2mm High-Temperature Resistant

Limited time offer, ends 09/19

  • Model #: C75J*OYJ*G1*0819-883
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  • $12.99 
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20pcs TMB12A24 24V Integrated Electromagnetic Buzzer 12x9.5mm High Temperature Resistance
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  • $11.99 
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Development Board 4 Way Relay Module, Programmable, Resettable, DC5-60V Power Supply, for Smart House Control
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30pcs KC1206 42 Ohm Integrated Passive Electromagnetic Buzzer 1.5V-9V 12x9.5mm AC Buzzer Heat Resistant
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  • $12.99 
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