Specification BatteriesIncluded : 1 Brand : EC Buying BulletPoint1 : The PCB board is reasonably designed, without burrs, and has a size of 89mm * 58mm/3.5inch * 2.28inch, which can be packed in a pocket BulletPoint2 : The commonly used SMD components are used BulletPoint3 : Three columns of components on the left and right are used for welding practice, and each column has test points BulletPoint4 : The circular circuit in the middle is a water lamp circuit, composed of CD4017, NE555, and light-emitting diodes. It can work after being powered on after welding without any errors BulletPoint5 : The back of the circuit is also used, with a scale for conveniently measuring components. There are examples of PCB wires to facilitate PCB design and use Color : Black CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 7752595853846 ExternallyAssignedProductIdentifier1 : 645759322487 ExternallyAssignedProductIdentifier2 : 0645759322487 ExternallyAssignedProductIdentifier3 : 00816453011322 GpsrSafetyAttestation : 1 Hazmat1 : LITHIUM ION BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryInEquipment Hazmat11 : EG_SmallLithiumIonBatteryInEquipment Hazmat12 : ES_SmallLithiumIonBatteryInEquipment Hazmat13 : FR_SmallLithiumIonBatteryInEquipment Hazmat14 : GB_SmallLithiumIonBatteryInEquipment Hazmat15 : IN_SmallLithiumIonBatteryInEquipment Hazmat16 : IT_SmallLithiumIonBatteryInEquipment Hazmat17 : JP_SmallLithiumIonBatteryInEquipment Hazmat18 : MX_SmallLithiumIonBatteryInEquipment Hazmat19 : NL_SmallLithiumIonBatteryInEquipment Hazmat2 : UN3481 Hazmat20 : PL_SmallLithiumIonBatteryInEquipment Hazmat21 : SA_SmallLithiumIonBatteryInEquipment Hazmat22 : SE_SmallLithiumIonBatteryInEquipment Hazmat23 : SG_SmallLithiumIonBatteryInEquipment Hazmat24 : TR_SmallLithiumIonBatteryInEquipment Hazmat25 : US_SmallLithiumIonBatteryInEquipment Hazmat26 : ZA_SmallLithiumIonBatteryInEquipment Hazmat27 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryInEquipment Hazmat5 : AU_SmallLithiumIonBatteryInEquipment Hazmat6 : BE_SmallLithiumIonBatteryInEquipment Hazmat7 : BR_SmallLithiumIonBatteryInEquipment Hazmat8 : CA_SmallLithiumIonBatteryInEquipment Hazmat9 : CN_SmallLithiumIonBatteryInEquipment ImportDesignation : Imported IncludedComponents : Light ItemDisplayDimensions_Height : 11 inches ItemDisplayDimensions_Length : 8 inches ItemDisplayDimensions_Width : 8 inches ItemDisplayWeight : 16.51 ounces ItemName : EC Buying 5Pcs DIY SMD SMT Component Welding Practice Board Soldering Skill Training Board LED Flow Light Kit CD4017 NE555 Electronic DIY Board for Competition ItemPackageDimensions_Height : 17.2 centimeters ItemPackageDimensions_Length : 4.1 centimeters ItemPackageDimensions_Width : 11.4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : soldering-stations Manufacturer : EC Buying Material : copper MeasurementSystem : Metric ModelName : 1 ModelNumber : 1 NumberOfChannels : 1 NumberOfItems : 5 NumberOfLithiumIonCells : 1 NumberOfLithiumMetalCells : 1 PartNumber : NANE-1C PowerSourceType : dc ProductDescription : Parameter Introduction: Board size: 89mm * 58mm/3.5inch * 2.28inch Plate thickness: 1.6mm/0.06inch Working voltage: DC3-12V
Component List Three columns on the left of the circuit board 2.2 Ohm resistor: R1-R24; 1206; 2R2 Capacitor: C1-C12; 0805; brown 2K resistor: R13-R24; 0805; 202
Three columns on the right side of the circuit board 16K resistor: R35-R47; 0603; 163 Capacitor: C13-C26; 0603; brown 2.72K resistor: R25-R33; 1812; 272
12 elements at four corners outside the circle 8050 triode: Q1-Q4; SOT23; J3Y LED: D16-D194; 0805; green 330 Ω resistor: R65-R68; 0805; 301
One circle of elements on the circle LED: D2-D11; 0805; blue 330 Ω resistor: R51-R60; 0805; 331
Elements inside the circle 2M resistor: R48P; 0805; 205 10K resistor: R49; 0805; 103 0.01uF capacitor: C27 C28; 0805; brown 330 Ω resistor: R50; 0805; 331 10K resistor: R61-R64; 0805; 103 Light emitting diode: D1; 0805; blue Red cylindrical element: D12-D15; LL34; 1N4148 8-pin IC: U1; SOP08; NE555 16 pin IC: U2; SOP16; CD4017 ProductSiteLaunchDate : 2023-04-03T09:47:19.724Z Size : NANO - For Precision Soldering Jobs SpecificUsesForProduct : Welding Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TemperatureStability : +- 5 degrees Celsius or +- 9 degrees Fahrenheit UnitCount : 1 UnspscCode : 23271800 Voltage : 12 volts_of_direct_current Wattage : 305 watts