![BokWin 12 Pcs Spdt Limit Switch Hinge Lever,Micro Roller Switch,Snap Action Limit Switch for Arduino: Amazon.com: Industrial & Scientific BokWin 12 Pcs Spdt Limit Switch Hinge Lever,Micro Roller Switch,Snap Action Limit Switch for Arduino: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61bFq0j71kL._AC_UF1000,1000_QL80_.jpg)
BokWin 12 Pcs Spdt Limit Switch Hinge Lever,Micro Roller Switch,Snap Action Limit Switch for Arduino: Amazon.com: Industrial & Scientific
![Amazon.com: Taidacent 2 Way 12V Reed Relay Switch Magnetic Reed Switch Module Magnetic Control AC Switch Magnetic Reed Sensor : Industrial & Scientific Amazon.com: Taidacent 2 Way 12V Reed Relay Switch Magnetic Reed Switch Module Magnetic Control AC Switch Magnetic Reed Sensor : Industrial & Scientific](https://m.media-amazon.com/images/I/51mgYl60nsL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Taidacent 2 Way 12V Reed Relay Switch Magnetic Reed Switch Module Magnetic Control AC Switch Magnetic Reed Sensor : Industrial & Scientific
![Amazon.com: AC100V-250V 30A High Power 2-Channel Relay High Current DC5V High-Low Level Trigger Switch Module for Arduino : Walfront: Electronics Amazon.com: AC100V-250V 30A High Power 2-Channel Relay High Current DC5V High-Low Level Trigger Switch Module for Arduino : Walfront: Electronics](https://m.media-amazon.com/images/I/71VOALHOgiL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: AC100V-250V 30A High Power 2-Channel Relay High Current DC5V High-Low Level Trigger Switch Module for Arduino : Walfront: Electronics
![E-outstanding 10PCS MTS102 3 Pins 2 Positions Mini Toggle Switch 6A/125V 3A/250V for Arduino: Amazon.com: Industrial & Scientific E-outstanding 10PCS MTS102 3 Pins 2 Positions Mini Toggle Switch 6A/125V 3A/250V for Arduino: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71geraqFL8L._AC_UF894,1000_QL80_.jpg)
E-outstanding 10PCS MTS102 3 Pins 2 Positions Mini Toggle Switch 6A/125V 3A/250V for Arduino: Amazon.com: Industrial & Scientific
![Amazon.com: 9Vdc Power Supply Adapter, AC to DC 9W Wall Charger with 3tips for Arduino UNO, Stationary Bike, Bench Scales, Record Player, Speaker, Network Switch and More, ETL Listed : Musical Instruments Amazon.com: 9Vdc Power Supply Adapter, AC to DC 9W Wall Charger with 3tips for Arduino UNO, Stationary Bike, Bench Scales, Record Player, Speaker, Network Switch and More, ETL Listed : Musical Instruments](https://m.media-amazon.com/images/I/71oKaeaHVJL.jpg)
Amazon.com: 9Vdc Power Supply Adapter, AC to DC 9W Wall Charger with 3tips for Arduino UNO, Stationary Bike, Bench Scales, Record Player, Speaker, Network Switch and More, ETL Listed : Musical Instruments
![Gikfun AC 2A 250V/ 5A 120V NO/NC SPST Momentary Push Button Switch DIY Kit for Arduino (Pack of 8pcs) EK1926: Amazon.com: Industrial & Scientific Gikfun AC 2A 250V/ 5A 120V NO/NC SPST Momentary Push Button Switch DIY Kit for Arduino (Pack of 8pcs) EK1926: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71t3WvgUayL._AC_UF1000,1000_QL80_.jpg)
Gikfun AC 2A 250V/ 5A 120V NO/NC SPST Momentary Push Button Switch DIY Kit for Arduino (Pack of 8pcs) EK1926: Amazon.com: Industrial & Scientific
![Amazon.com: HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino : Industrial & Scientific Amazon.com: HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino : Industrial & Scientific](https://m.media-amazon.com/images/I/71iHfA+0UhL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino : Industrial & Scientific
![10x Snap Action Button Micro Limit Switch V-15-1C25 AC 250V 15A for Arduino: Amazon.com: Industrial & Scientific 10x Snap Action Button Micro Limit Switch V-15-1C25 AC 250V 15A for Arduino: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61lDY6qy98L._AC_UF1000,1000_QL80_.jpg)
10x Snap Action Button Micro Limit Switch V-15-1C25 AC 250V 15A for Arduino: Amazon.com: Industrial & Scientific
![HiLetgo 24V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino: Amazon.com: Industrial & Scientific HiLetgo 24V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/618Qt0lOzfL._AC_UF1000,1000_QL80_.jpg)
HiLetgo 24V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino: Amazon.com: Industrial & Scientific
![Amazon.com: DIYhz 20Pcs Momentary Long Hinge Lever SPDT AC 5A/125V 3A/250V 3 Pins 1NO 1NC Miniature Micro Switch for Arduino : Industrial & Scientific Amazon.com: DIYhz 20Pcs Momentary Long Hinge Lever SPDT AC 5A/125V 3A/250V 3 Pins 1NO 1NC Miniature Micro Switch for Arduino : Industrial & Scientific](https://m.media-amazon.com/images/I/612mDCLuYyL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DIYhz 20Pcs Momentary Long Hinge Lever SPDT AC 5A/125V 3A/250V 3 Pins 1NO 1NC Miniature Micro Switch for Arduino : Industrial & Scientific
![Swpeet 10Pcs V-153-1C25 Micro Limit Switch Long Hinge Roller Momentary Cherry Push Button SPDT Snap Action Perfect for Arduino, Appliance and Electronic Equipment: Amazon.com: Industrial & Scientific Swpeet 10Pcs V-153-1C25 Micro Limit Switch Long Hinge Roller Momentary Cherry Push Button SPDT Snap Action Perfect for Arduino, Appliance and Electronic Equipment: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61iVjgRinvL._AC_UF1000,1000_QL80_.jpg)
Swpeet 10Pcs V-153-1C25 Micro Limit Switch Long Hinge Roller Momentary Cherry Push Button SPDT Snap Action Perfect for Arduino, Appliance and Electronic Equipment: Amazon.com: Industrial & Scientific
![Gikfun MTS102 2 Position 3 Pins Mini Toggle Switch for Arduino (Pack of 10pcs) EK2021: Amazon.com: Industrial & Scientific Gikfun MTS102 2 Position 3 Pins Mini Toggle Switch for Arduino (Pack of 10pcs) EK2021: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71kdJpIVHJL._AC_UF1000,1000_QL80_.jpg)
Gikfun MTS102 2 Position 3 Pins Mini Toggle Switch for Arduino (Pack of 10pcs) EK2021: Amazon.com: Industrial & Scientific
![Luckkyme V-156-1C25 Micro Limit Switch Long Hinge Lever Roller Momentary SPDT Micro Switch Snap Action for Arduino (10PCS): Amazon.com: Industrial & Scientific Luckkyme V-156-1C25 Micro Limit Switch Long Hinge Lever Roller Momentary SPDT Micro Switch Snap Action for Arduino (10PCS): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61wO4hOFFbL._AC_UF1000,1000_QL80_.jpg)
Luckkyme V-156-1C25 Micro Limit Switch Long Hinge Lever Roller Momentary SPDT Micro Switch Snap Action for Arduino (10PCS): Amazon.com: Industrial & Scientific
![Cylewet 25Pcs AC 1A 125V 3Pin SPDT Limit Micro Switch Long Hinge Lever for Arduino (Pack of 25) CYT1073: Amazon.com: Industrial & Scientific Cylewet 25Pcs AC 1A 125V 3Pin SPDT Limit Micro Switch Long Hinge Lever for Arduino (Pack of 25) CYT1073: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61eym-2jicL._AC_UF1000,1000_QL80_.jpg)
Cylewet 25Pcs AC 1A 125V 3Pin SPDT Limit Micro Switch Long Hinge Lever for Arduino (Pack of 25) CYT1073: Amazon.com: Industrial & Scientific
![RC Aircraft Q2 PWM 30A Industrial Arduino Relay Module On/Off Electrical Switch Remote Control Board with OPTO Isolation High Low Level Trigger Support 5V Receiver for Drone Model Spare Part (1PCS): Amazon.com: RC Aircraft Q2 PWM 30A Industrial Arduino Relay Module On/Off Electrical Switch Remote Control Board with OPTO Isolation High Low Level Trigger Support 5V Receiver for Drone Model Spare Part (1PCS): Amazon.com:](https://m.media-amazon.com/images/I/61Rw2FEbIuL.jpg)
RC Aircraft Q2 PWM 30A Industrial Arduino Relay Module On/Off Electrical Switch Remote Control Board with OPTO Isolation High Low Level Trigger Support 5V Receiver for Drone Model Spare Part (1PCS): Amazon.com:
![Gikfun 6x6x4.3mm TACT Switch Push Button for Arduino PCB (Pack of 50pcs) EK1019: Amazon.com: Industrial & Scientific Gikfun 6x6x4.3mm TACT Switch Push Button for Arduino PCB (Pack of 50pcs) EK1019: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71KWOdm-A3L._AC_UF1000,1000_QL80_.jpg)
Gikfun 6x6x4.3mm TACT Switch Push Button for Arduino PCB (Pack of 50pcs) EK1019: Amazon.com: Industrial & Scientific
![GUMIFA 4Pcs V-155-1C25 Micro Limit Switch Short Hinge Roller Lever Arm Switch for Arduino: Amazon.com: Industrial & Scientific GUMIFA 4Pcs V-155-1C25 Micro Limit Switch Short Hinge Roller Lever Arm Switch for Arduino: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61Cg2SbExHL.jpg)
GUMIFA 4Pcs V-155-1C25 Micro Limit Switch Short Hinge Roller Lever Arm Switch for Arduino: Amazon.com: Industrial & Scientific
![ENLOZURE 12Pcs 12V One Channel Relay Module OPTO Isolation High Low Level Trigger Relay Switch for Raspberry Pi Arduino: Amazon.com: Industrial & Scientific ENLOZURE 12Pcs 12V One Channel Relay Module OPTO Isolation High Low Level Trigger Relay Switch for Raspberry Pi Arduino: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71YEJeH+A8L._AC_UF1000,1000_QL80_.jpg)
ENLOZURE 12Pcs 12V One Channel Relay Module OPTO Isolation High Low Level Trigger Relay Switch for Raspberry Pi Arduino: Amazon.com: Industrial & Scientific
![Ruimou 5Pcs 125V/250V 16A SPDT Snap Action Button Micro Limit Switch,SV-16-1C25 1NO 1NC (3 Pins) for Arduino: Amazon.com: Industrial & Scientific Ruimou 5Pcs 125V/250V 16A SPDT Snap Action Button Micro Limit Switch,SV-16-1C25 1NO 1NC (3 Pins) for Arduino: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61ldrqULoqL._AC_UF1000,1000_QL80_.jpg)
Ruimou 5Pcs 125V/250V 16A SPDT Snap Action Button Micro Limit Switch,SV-16-1C25 1NO 1NC (3 Pins) for Arduino: Amazon.com: Industrial & Scientific
![Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific](https://m.media-amazon.com/images/I/61Ynyg4Sd8L.jpg)
Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific
![Amazon.com : Electronic Components RobotDyn Thyristor AC Switch Relay Module 3.3V/5V Logic AC 220V/5A Peak 10A : Electronics Amazon.com : Electronic Components RobotDyn Thyristor AC Switch Relay Module 3.3V/5V Logic AC 220V/5A Peak 10A : Electronics](https://m.media-amazon.com/images/I/41r2gsEEgYL.jpg)
Amazon.com : Electronic Components RobotDyn Thyristor AC Switch Relay Module 3.3V/5V Logic AC 220V/5A Peak 10A : Electronics
![Amazon.com: AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module with Optocoupler Opto Isolation High Level Trigger for IOT ESP8266 Development Board : Industrial & Scientific Amazon.com: AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module with Optocoupler Opto Isolation High Level Trigger for IOT ESP8266 Development Board : Industrial & Scientific](https://m.media-amazon.com/images/I/81FYpLwFugL._AC_UF894,1000_QL80_.jpg)
Amazon.com: AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module with Optocoupler Opto Isolation High Level Trigger for IOT ESP8266 Development Board : Industrial & Scientific
![Amazon.com: 2PCS 4 Channel 12V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino STM32 Red : Industrial & Scientific Amazon.com: 2PCS 4 Channel 12V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino STM32 Red : Industrial & Scientific](https://m.media-amazon.com/images/I/61oVdsM05VL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 2PCS 4 Channel 12V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino STM32 Red : Industrial & Scientific
![Amazon.com: PWM AC Voltage Dimmer 50/60Hz 80-240VAC for Arduino Raspberry Leading Edge Dimmer for AC Motor Pump Fan Light Heater Max 500W Pro Engineered Onboard Snubber Circuit - Compatible Worldwide : Tools Amazon.com: PWM AC Voltage Dimmer 50/60Hz 80-240VAC for Arduino Raspberry Leading Edge Dimmer for AC Motor Pump Fan Light Heater Max 500W Pro Engineered Onboard Snubber Circuit - Compatible Worldwide : Tools](https://m.media-amazon.com/images/I/71w2nW2I7UL.jpg)
Amazon.com: PWM AC Voltage Dimmer 50/60Hz 80-240VAC for Arduino Raspberry Leading Edge Dimmer for AC Motor Pump Fan Light Heater Max 500W Pro Engineered Onboard Snubber Circuit - Compatible Worldwide : Tools
![1 Channel Relay Module Interface Board Shield for Arduino 5V Low Level Trigger One PIC AVR DSP ARM MCU DC AC 220V: Amazon.com: Industrial & Scientific 1 Channel Relay Module Interface Board Shield for Arduino 5V Low Level Trigger One PIC AVR DSP ARM MCU DC AC 220V: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61B1SuknxAL._AC_UF1000,1000_QL80_.jpg)