Speed-limit Alert


Posted on Feb 5, 2014

Speed-limit Alert Wireless portable unit Adaptable with most internal combustion engine vehicles Circuit diagram Parts: R1,R2,R19 1K 1/4W Resistors R3-R6,R13,R17 100K 1/4W Resistors R7,R15 1M 1/4W Resistors R8 50K 1/2W Trimmer Cermet R9 470..


Speed-limit Alert
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