Light Control LED Light DIY Electronic Kits Heart Shape LED Light for Birthday Gift
Quantity | 5+ | 10+ | 30+ |
Price | $2.99 | $2.70 | $2.50 |
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Product Details
Product description GKS-18 is an upgraded version of the XSD-18 added light control circuit, when the light is dimmed (or strong) .18 LED lights cycle flashing, the buzzer played "Happy Birthday to You" song. When the light becomes stronger again (or darken), the circuit stops working. Photoresistor as the photosensitive element, jumpers bright the trigger or dark trigger two modes of operation, and another set of jumper used to set the buzzer is muted.
Two trigger mode application example: Audio amplifier transistor is soldered to the music on a chip Parameter:
Power supply voltage: 3v battery (two 5)
Note: to ensure that different color LED brightness is consistent, so the three flow resistance respectively only 47 European (green LED headlamp unit), 220 - euro (yellow LED headlamp unit) and 560 (red LED headlamp unit). |
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