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5pcs 0.5W 8R Loudspeaker 36MM 8 Ohms 5W Mini Round Speaker Diameter Thickness 4.8MM Small Horn Doorbell Speaker 8Ohm For Arduino
 

OP on time, CL off time, LOP cycle times (1-999 times, "---" represents infinite cycles)
These parameters are independent of each other, but each mode shares these parameters. For example, if the on-time OP is set to 5 seconds in P1.1, and the user wants to switch to P1.2 mode, then when entering P1.2 to set the corresponding parameters, OP It will also be 5 seconds;
In the main interface (display 000), short press the SET button, it will display OP (CL, LOP) and the corresponding time XXX;
If there is only OP (such as mode P1.1, P1.2, P1.3) time in the mode, then short press the SET key will only display OP and the corresponding time;
If there are OP, CL, LOP in the mode (such as mode P3.1, P3.2), short press the SET button will display OP and corresponding time, CL and corresponding time, LOP and corresponding times;
After setting the mode, you can easily view the parameters set in the current mode by short pressing the SET button on the main interface, which is very convenient!
How to set the parameters:
1. First determine the working mode of the relay;
2. According to the working mode of the relay, in the main interface (when the module is powered on, it will flash the current working mode (default P1.1 mode), and then enter the main interface,) "Long press the SET button for 2 seconds and then release "Enter the mode selection interface, and select the mode to be set by short pressing the UP and DOWN buttons (P1.1~P-4);
3. After selecting the mode to be set (for example, P3.2), short press the SET button to set the corresponding parameters. At this time, the parameters to be set will flash (OP on time, CL off time, LOP cycle times ("-- -" represents an infinite cycle)), adjust the parameter value through UP and DOWN, support long press (rapid increase or decrease) and short press (increase or decrease by 1 unit); after setting the parameter value, short press the STOP button To select the decimal point position, select the timing range (corresponding time 0.1 second ~ 999 minutes); short press the SET key to set the next parameter of the current mode, the process is the same as above;
4. After setting the parameters of the selected mode, press and hold the SET button for 2 seconds and then release it. The currently set mode will flash, and then return to the main interface. The parameter setting is successful, very simple!
Main interface: "000" (no decimal point) is displayed when the relay is not working, and there is a decimal point when the relay is working, which is very clear!
Mode selection interface: Long press the SET button to enter, after the setting is completed, long press the SET button to exit and return to the main interface, very simple!
STOP button function expansion:
Relay enable mode:
1. ON: The relay is allowed to conduct during the OP conduction time;
2. OFF: The relay is forbidden to conduct and is always off;
Short press the STOP button on the main interface to switch between ON and OFF, the current state will flash, and then return to the main interface. (This function is an emergency stop function, one key to open and close the relay)

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10PCS/Lot Black 6mm Potentiometer knobs Caps Knurled Shaft  Potentiometer Control Knob Diameter 15mmx17mm Aluminum Switch Knob
 
 
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Product Name: Metal Film Resistor
Product model: 1/2W
Type: Fuse
Performance: Precision
Material: metal film
Production process: membrane type non-winding type
Shape: cylindrical
Metal film resistor
It plays a non-negligible role in the electronic industry and military and aerospace fields under high-precision requirements, and is also commonly used in various wireless electronic devices.
Metal film resistors strongly protect the circuit, prevent damage to external equipment, and better protect the circuit connection and data transmission. The surface metal film is wear-resistant and oxidation-resistant, speeds up the heat dissipation of the product, and makes safety protection more assured.
Widely used in electronic equipment, used in audio equipment, computers, meters, electrical appliances, and electronic equipment.

30pcs/lot PCB Board Kit SMD Turn To DIP Adapter Converter Plate Circuit Board FQFP 32 44 64 80 100 HTQFP QFN48 SOP SSOP TSSOP 8 16 Prototype PCB Set
FQFP 32 44 64 80 100     5PCS
HTQFP QFN48                   5PCS
SOP SSOP TSSOP 8      5PCS
SOP SSOP TSSOP 16     5PCS
SOP SSOP TSSOP 24     5PCS
SOP SSOP TSSOP 28     5PCS

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.           
                         
                                            

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.           
                         
                                            

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.           
                         
                                            

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.           
                         
                                            

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.           
                         
                                            

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.           
                         
                                            

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.           
                         
                                            

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.           
                         
                                            

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.           
                         
                                            

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.           
                         
                                            

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.           
                         
                                            

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.           
                         
                                            

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.           
                         
                                            

Due to the different batches of manufacturers, the resistance printing font will be different, which will not affect the use.
Product parameter:
Type: Varistor
Shape: disc shape
Model: 5D
Power characteristics: standard
  
feature:
Varistors are affordable, small in size, wide operating voltage range, fast overvoltage impulse response, strong surge current resistance, low leakage current (less than a few microamps to tens of microamps), and low temperature coefficient of resistance. , Is an ideal protection component.
Scope of application
It is widely used in electronic products such as household appliances, and is often used to form overvoltage protection circuits, noise suppression circuits, spark suppression circuits, lightning protection circuits, surge voltage absorption circuits, and the protection of semiconductor components.