DollaTek 5Pcs NE555 12V DC Adjustable 0-10 Second Timer Delay Relay Switch Module Shield for Arduino Raspberry Pi

Description:Adjustable Delay timer switch can be used with other circuits to provide a time delay for other appliances. Widely used with various electrical equipment, especially for battery-powered control products. It can also be used in making hobby projects. And is also Compatible with ARDUINO, RASPBERRY PI, AVR, PIC, 8051, etcThe relay time delay and power supply is connected: for 12 v power supply to the relay, relay not immediately and absorption, relay the output status to: normally open and public disconnect, normally closed and public conduction;Wait for delay 1-10 s (adjustable), relay and absorption, at this point, the relay outputs status to: normally open and public conduction, normally closed and public disconnected;As long as the module power continuously, this state will remainWhen no power applied the module, the state of the module is “NO” [ normal open ], CB and COM are conductive. CK and COM are unconductiveWhen power is switched on , delay for 0-10s, then the module will in the state of “NC” [ normal closed ], CB and COM are unconductive, CK and COM is conductiveThe delay time formula: T = 1.1 RC example: 100 uf capacitance resistance 100 k T = 1.1 * 100000 * 0.0001 = 11 secondsSpecification:Module Properties : NE555 chipDimension :3×0.9×0.7in(77x23x18mm)Input voltage : DC12VAdjustable time : 0 to 10secControl voltage : AC 0~250V / max. 10A, DC 0~30V / max. 10AMax. loading : 2200Wmaterials: CCLNE555:Timing from microseconds to long hoursPrecision Pulse Generation / TimingAdjustable Duty CyclePackage include：5 x 12V NE555 Delay Adjustable Timer Relay Switch Module Shield