Vender Hammer Electronic Parts 51 SCM Speed Tester DIY al mejor precio

[1]: Function description: Whack the gopher. After pressing the start key, the lights corresponding to numbers 0-9 will light up randomly (the lighting time and interval lighting time are also random within a certain range). Pressing the light after it is off has no effect. There are 15 chances in total, and the full score is 15 points. The higher the score, the better the reaction speed. Reflexes can also be exercised with frequent such tests. [2]: Circuit parameters: Input voltage: DC 4.5-5.5V; Board size: 12.2x7.2CM DIY parts delivery list: Device name & Quantity PCB board x1 4P IC holder x1 51 MCU (programming program) x1 DC005 to USB power cable (black or white) x1 DC005 power supply socket x1 0.56 inch 2-bit common anode digital tube x2 6x6x14 buttons 1x1 3MM LED White Hair Blue x11 9012 triode x5 12M crystal oscillator x1 4.7K Resistor x15 10K Resistor x12 22P Ceramic x2 10UF x2 colour: blue Material: PCB Package Contents: 1 set x whack-a-mole electronic partsOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.