Infrared Induction Alarm DIY Kit Electronic DIY Production kit Bulk Electronic Welding Practice Training

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Specification
Brand : Midzooparts
BulletPoint : Infrared induction alarm DIY Kit electronic DIY production kit bulk electronic welding practice training
BulletPoint1 : High reliability.
BulletPoint2 : 2.54mm Lead spacing.
BulletPoint3 : Low forward voltage.
BulletPoint4 : Good spectral matching to Si photodetector.
BulletPoint5 : Pb Free.
Color : IR Receinver
ConnectivityTechnology : Infrared
CurrentRating : 10 amps
ExternallyAssignedProductIdentifier : 4653017442712
ExternallyAssignedProductIdentifier1 : 0609843718525
ExternallyAssignedProductIdentifier2 : 609843718525
ItemName : Infrared Induction Alarm DIY Kit Electronic DIY Production kit Bulk Electronic Welding Practice Training
ItemPackageDimensions_Height : 0.4 inches
ItemPackageDimensions_Length : 5.5 inches
ItemPackageDimensions_Width : 4.3 inches
ItemPackageQuantity : 1
ItemTypeKeyword : infrared-emitters
Manufacturer : Midzooparts
Material : Copper
MaximumSwitchingCurrent : 10 amps
MaximumSwitchingVoltage : 12 volts
ModelName : JTSF9648
ModelNumber : 151-99007G
NumberOfItems : 1
OperationMode : Automatic
PartNumber : XHLModulepart_11594
PhotoFilterEffectType : Infrared
ProductDescription : working principle:When the 5V DC power supply is connected, D1 infrared emitting diode emits infrared, which can not be seen by human eyes. If D1 is not blocked by hand at this time, D2 infrared receiving diode (black) does not receive infrared light, and D2 infrared receiving diode will be in the reverse cut-off state, so the voltage of D2 negative electrode of infrared receiving diode is still high, and sent to the three pins of LM393. The voltage of the two pins of LM393 depends on the adjustable resistance R2. As long as the adjustable resistance R3 is adjusted to the appropriate voltage (the voltage of the two pins of LM393 measured with a multimeter is about 2.5V), the voltage of the three pins of LM393 can be ensured to be greater than that of the two pins of LM393,, When V + > V -, one pin of LM393 will output high level and send it to the base of PNP triode VT1 and vt2 through current limiting resistor R3, causing triode VT1 and vt2 to cut off, buzzer B1 will not sound and led LED1 will be off.When you approach the infrared emitting diode D1 with your hand, the infrared light is blocked and reflected, and is received by the infrared receiving diode D2. D2 turns on immediately, causing the voltage of the negative electrode of the infrared receiving tube D2 to drop rapidly, and the voltage is sent to the three pins of LM393. According to the working principle of the comparator, when V + < V -,One pin of LM393 will output low level, which is sent to the base of PNP triode VT1 and vt2 through current limiting resistor R3, causing triode VT1 and vt2 to turn on, buzzer B1 to sound, and led LED1 to light up.
Precautions for production:
1. The welding time should not be too long, 1-3 seconds, otherwise the copper will fall off, once not welded, take off the soldering iron and weld again. Be sure to pay attention to the production of pictures and text, distinguish the positive and negative! Pay attention to the white silk screen welding of the corresp
ProductSiteLaunchDate : 2021-12-23T17:50:57.632Z
Size : Small
Style : Modern
UnitCount : 1
UnspscCode : 39120000
WaterResistanceLevel : not_water_resistant
Wattage : 100 watts
WirelessCommStandard : infrared

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