DC 4-5V 81-bit LED Thumb Light Sign Flowing Lights DIY Kit Soldering Practice

Description

DC 4-5V 81-bit LED Thumb Light Sign Flowing Lights DIY Kit Soldering Practice. To avoid damaging the circuit board ground wire through soldering. A total of 81 LED colorful light array: composed of 81 LEDs, the lighting effect is dazzling. Resistors are not directional, but have different resistance values. Store CategoriesStore Categories Other Product View Details Features： 1. A total of 81 LED colorful light array: composed of 81 LEDs, the lighting effect is dazzling 2. Simple and easy to install circuit: The circuit design is simple, and the installation is convenient and fast 3. Adjustable water flow speed: Adjust the water flow light effect speed through buttons to meet different needs 4. Plug and play: The microcontroller program is pre programmed, assembled, and powered on to use 5. Safe low voltage power supply: Supports DC 4-5V power supply, safe and reliable operation Specifications： Supply voltage: DC 4-5V Power supply interface: DC 3.5 * 1.3MM LED lights: 81 pieces Light color: Red PCB size: 75 * 75mm Matters needing attention: 1. Various component silk screen markings are printed on the PCB board, please refer to the silk screen markings for welding 2. Resistors are not directional, but have different resistance values. Please pay attention to distinguishing them when welding 3. Long legs with feet are positive (+), while short legs are negative (-); Pay attention to the silk screen direction on the corresponding PCB board during welding 4. When connecting the power cord to the terminal block, pay attention to distinguishing the positive and negative poles and do not connect them in reverse 5. The welding sequence is from low to high, from small to large, and from inside to outside 6. The soldering temperature with a soldering iron is 320 ° -380 ° C, and the soldering time is about 3-5 seconds. Do not solder for a long time! To avoid damaging the circuit board ground wire through soldering 7. The circuit board label VCC is positive and GND is negative 8. Pay attention to static electricity and product power supply size to avoid burning out circuits and components Component List: DC seat (DC002/3.5 * 1.3mm) * 1 Single chip microcontroller (STC 8G1K08) * 1 Light emitting diode * 81 Flip switch * 1 Button (6 * 6 * 6) * 1 Surface mount capacitor * 1 PCB board * 1 Package List：1 set Shipping Policy Payment Method Returns Policy Shipping Policy Payment Method Returns Policy Home Payment Shipping About us Contact us Copyright©2018 datacaciques Home Payment Shipping About us Contact us Store CategoriesStore Categories Other Product View Details Features： 1. A total of 81 LED colorful light array: composed of 81 LEDs, the lighting effect is dazzling 2. Simple and easy to install circuit: The circuit design is simple, and the installation is convenient and fast 3. Adjustable water flow speed: Adjust the water flow light effect speed through buttons to meet different needs 4. Plug and play: The microcontroller program is pre programmed, assembled, and powered on to use 5. Safe low voltage power supply: Supports DC 4-5V power supply, safe and reliable operation Specifications： Supply voltage: DC 4-5V Power supply interface: DC 3.5 * 1.3MM LED lights: 81 pieces Light color: Red PCB size: 75 * 75mm Matters needing attention: 1. Various component silk screen markings are printed on the PCB board, please refer to the silk screen markings for welding 2. Resistors are not directional, but have different resistance values. Please pay attention to distinguishing them when welding 3. Long legs with feet are positive (+), while short legs are negative (-); Pay attention to the silk screen direction on the corresponding PCB board during welding 4. When connecting the power cord to the terminal block, pay attention to distinguishing the positive and negative poles and do not connect them in reverse 5. The welding sequence is from low to high, from small to large, and from inside to outside 6. The soldering temperature with a soldering iron is 320 ° -380 ° C, and the soldering time is about 3-5 seconds. Do not solder for a long time! To avoid damaging the circuit board ground wire through soldering 7. The circuit board label VCC is positive and GND is negative 8. Pay attention to static electricity and product power supply size to avoid burning out circuits and components Component List: DC seat (DC002/3.5 * 1.3mm) * 1 Single chip microcontroller (STC 8G1K08) * 1 Light emitting diode * 81 Flip switch * 1 Button (6 * 6 * 6) * 1 Surface mount capacitor * 1 PCB board * 1 Package List：1 set Shipping Policy Payment Method Returns Policy Shipping Policy We will arrange shipping for you within 24 Hours after payment cleared except the holidays. -We ship items to Worldwide. Thank you! -we will ship out the order in 1-2 business days after payment cleared .Since it is international shipping ,delivery time is about 15--28 business days to arrive to most countries. Payment Method We accept PayPal payment ONLY, and must be received within 5 days from the date of purchase. 2. It is easy and safe for you to pay by credit cards, debit cards, bank transfers and PayPal account balances. 3.Buyers are responsible for import duties,custom fees and taxes, if any, please check your country. Returns Policy 1.We believe our items are so outstanding. We are convinced you will be happy with your Purchase. 2. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund or resend the item to you after the returned item arrived at our warehouse. 3. Please include your eBay ID and item number with any email requests.