SMD NE555 CD4017 Rotating Flashing LED Components SMT LQFP44 Soldering Practice Board Electronic Circuit Training Suite DIY Kit
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Specifications
- High-concerned chemical
- none
- Supply Voltage
- DC 3V-12V
- Type
- Voltage Regulator
- Brand Name
- sincere&promise
- Origin
- Mainland China
- Condition
- New
Description
Description:
Note:This module is DIY Kit ,Not a finished product.
Features:
1.Board Size;85*54mm
2.Board Thickness:1.6mm
3.Flow Water Lamp Circuit : CD4017,NE555,LED;after correct connnection,it will operate
4.Operating Voltage :3-12V
5.board material: international standard sheet, all tin pad, high strength fire drop material, can be repeated disassembly.
6. PCB board design is reasonable, are commonly used in the SMD components.
7. the left and right of the three components are used to practice welding, each column with a test point.
8. the middle of the circular circuit for the water lamp circuit, by the CD4017, NE555, light-emitting diodes, welding power can work.
9. the circuit is also used on the back, a ruler to facilitate the measurement of components.There are examples of PCB conductors to facilitate the use of PCB design.
Number of components: 125
Number of solder joints: 274
Use solder length: 35CM (diameter: 0.6mm)
Sample soldering time: 35 minutes
Note:
Please allow 0.5-1cm errors due to manual measurement
Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same
*This board is a practice board. It is mainly used for practice welding. There are no specific parameters, so the capacitor and resistance will be shipped randomly. Please do not place an order if you cannot accept it.
Packing List:
