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Seller Store lovesell2013
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Location: 深圳, 廣東省
Ships to: US,
Item: 265590071090
Restocking Fee:No
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
Unbranded:Unbranded
MPN:Does not apply
UPC:Does not apply
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Description:1: Double-sided wiring, the pads are sprayed with tin and the pads processed by the tin process are enlarged, which can withstand repeated desoldering and is not easy to fall off;2: Self-variable bending is not easy to occur (refers to bending caused by non-manual conditions), and poor sheets will bend with time and environmental changes3: Impedance is more stable and reliable4: Improve DIY fun5: Simple to use 【1】Function descriptionAfter pressing the start button, the lights corresponding to numbers 0-9 will light up randomly at an interval of 0.5 seconds. Observe and remember the order of the lights. After all 10 lights are on, the device will start timing. At this time, you can press the recorded lights. Press the corresponding buttons in sequence to turn off the lights.When all 10 lights are off, the answering is over, and the device will display the answering time and the number of correct answers. 1 point for each correct answer, for a total of 10 points. The higher the score, the better the memory. Memory skills can also be exercised with frequent such tests.For example, the lighting sequence is 0123456789, and the button lighting sequence is 0123456798, so the score is 8 points. 【2】Product parameterscircuit parametersInput voltage: DC 4.5-5.5VBoard size: 12.2*7.2CMProvide the following information:1. C language programs with partial functions;2. Schematic diagram (protel99SE+ picture format);3. Component list;4. PCB screenshot;5. Parts welding steps Front picture of the empty board of the circuit board (different batches, colors will be different, please understand):The circuit board is made of FR-4 military grade A material. The tolerance of the sheet and the stability of some parameters, the A material is very strong, which is beneficial to the price compared to other sheets. PCB boardThe back picture of the empty board of the circuit board:The parameters of the components are directly printed, and it can be directly soldered without referring to the circuit diagram, which is quite convenient. DIY Parts Package Included:1* PCB board1* 4P IC socket1* 51 MCU (programming program)1* DC005 to USB power cable (black or white)1* DC005 power supply socket2* 0.56 inch 2-bit common anode digital tube11* 6*6*14 keys11* 3MM LED white hair blue5* 9012 triode1* 12M crystal oscillator15* 4.7K resistors12* 10K resistors2* 22P Ceramic Capacitors2* 10UF capacitor Contact usReturn PolicyFeedbackContact us For anything problem about product, price, shipping or order status, pleasecontact us via eBay message.Just contact us using the “Ask the seller a question” link on eBay. We expect positive feedback and 5 scores DSR from you. Return Policy We believe our items are so outstanding. We are convinced you will be happy with your Purchase. 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 to you after the returned item arrived at our warehouse. Please include your eBay ID and item number with any email requests. Feedback * When you satisfied with our product and services please leave us positive feedback. * If you have got the package, please confirm “Delivery on time” For us. * If a problem occurs, contact us immediately with any email request. * Just contact us using the ” Ask the seller a question” link on eBay. Your Satisfaction is our Priority. Our goal is to make all our customers as happy as possible while shopping with us.On Mar-11-22 at 06:26:08 PST, seller added the following information:
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