The LED buddy can help you design all electronic circuits that contain one or more LEDs.\n\nHold any type of LED toward the LED buddy's contact pads to start the process. It detects the polarity of the LED, measures the forward voltage and automatically calculates the series resistances that you need to use.\n\nThe compact size and durable materials ensure that this useful tool is the best mate anyone can have. No more call messages!\n\n--\nOur eBay Store\n\nPlease note: This item has a longer lead time for dispatch then normal as it's a non-stocked item that is ordered in, please see the estimated delivery date by eBay. We will of course ship the item sooner if possible.\n\nWhadda WSMI198 LED-Buddy kit detects LED polarity, voltage, and resistance\n\nProduct Details\n\nThe LED buddy can help you design all electronic circuits that contain one or more LEDs.\n\nHold any type of LED toward the LED buddy's contact pads to start the process. It detects the polarity of the LED, measures t;