{"title":"LED Car Audio Meters","description":"","products":[{"product_id":"vm-1","title":"VM-1","description":"\u003ch1\u003eMonitor the condition of your battery and charging system. \u003c\/h1\u003e\n\u003cp class=\"dd12\"\u003eSome might consider the VM-1 to be over-built; we think it is just right. Some features of the design are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e•White LED Backlight\u003c\/li\u003e\n\u003cli\u003e•Mil spec FR4 circuit board\u003c\/li\u003e\n\u003cli\u003e•Regulated power supply\u003c\/li\u003e\n\u003cli\u003e•Constant LED current and brightness regardless of battery voltage (won’t dim with your beat)\u003c\/li\u003e\n\u003cli\u003e•20 bright surface mount LEDs\u003c\/li\u003e\n\u003cli\u003e•Designed for 12 Volt Systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eSpecifications\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e•Voltage Measurement Range................................10.1 – 15.8 VDC\u003c\/li\u003e\n\u003cli\u003e•Accuracy.............................................................+\/- 0.15 Volts\u003c\/li\u003e\n\u003cli\u003e•Response Time from 10.1 - 15.8 Volts...................130 milliseconds\u003c\/li\u003e\n\u003cli\u003e•Dimensions……………………………..................…2.75 X 2.75 X 0.6 Inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0756\/7235\/files\/VM-1_Manual_Rev_2.pdf?v=1610649063\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOwner's Manual\u003c\/a\u003e (PDF)\u003c\/p\u003e","brand":"D'Amore Engineering","offers":[{"title":"Default Title","offer_id":1058921857,"sku":"VM1","price":99.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7235\/files\/SMD-VM1-Volts.jpg?v=1699395972"},{"product_id":"tm-1","title":"TM-1","description":"\u003ch1\u003eMonitor the temperature of your amps (or anything) and control fan speed vs a selectable temperature\u003c\/h1\u003e\n\u003cp\u003eSome might consider the TM-1 to be over-built; we think it is just right. Some features of the design are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComes with both F and C temperature scales\u003c\/li\u003e\n\u003cli\u003eMil spec FR4 circuit board\u003c\/li\u003e\n\u003cli\u003eRegulated power supply\u003c\/li\u003e\n\u003cli\u003eConstant LED current and brightness regardless of battery voltage (won’t dim with your beat)\u003c\/li\u003e\n\u003cli\u003e20 bright surface mount LEDs\u003c\/li\u003e\n\u003cli\u003eWide operating voltage range for vehicles with modified electrical systems\u003c\/li\u003e\n\u003cli\u003efully variable fan speed drive system (PWM)\u003c\/li\u003e\n\u003cli\u003eRemote wired sensor with 18 feet of cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eSpecifications\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eOperating voltage range for power supply........8-22 VDC\u003c\/li\u003e\n\u003cli\u003eDisplay Range..................................................30-220 F or 0 - 100 C\u003c\/li\u003e\n\u003cli\u003eFan Set-point....................................................40-200 F or 5 - 90 C\u003c\/li\u003e\n\u003cli\u003eAccuracy...........................................................+\/- 5 F or 3 C\u003c\/li\u003e\n\u003cli\u003eMaximum Fan Load..........................................5 Amps DC\u003c\/li\u003e\n\u003cli\u003eDimensions………………………....…....….......2.75 X 2.75 X 0.6 Inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0756\/7235\/files\/TM-1_Manual_Rev_2.pdf?v=1610649039\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOwner's Manual\u003c\/a\u003e (PDF)\u003c\/p\u003e","brand":"D'Amore Engineering","offers":[{"title":"Default Title","offer_id":1058921973,"sku":"TM1","price":114.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7235\/products\/IMG_5824_clipped_rev_1.png?v=1550000612"},{"product_id":"om-1","title":"OM-1","description":"\u003ch1\u003eMonitor the Output of your Amplifier.  Calibrate with our DD-1 to know when you are reaching clipping.\u003c\/h1\u003e\n\u003cp class=\"dd12\"\u003eSome might consider the OM-1 to be over-built; we think it is just right. Some features of the design are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMil spec FR4 circuit board\u003c\/li\u003e\n\u003cli\u003eRegulated power supply\u003c\/li\u003e\n\u003cli\u003eConstant LED current and brightness regardless of battery voltage (won’t dim with your beat)\u003c\/li\u003e\n\u003cli\u003e20 bright surface mount LEDs\u003c\/li\u003e\n\u003cli\u003eWide operating voltage range for vehicles with modified electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eSpecifications\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Battery Voltage.................8-22 VDC\u003c\/li\u003e\n\u003cli\u003eInput Sensitivity.................................... Adjustable 10 - 150 Volts AC RMS\u003c\/li\u003e\n\u003cli\u003eMaximum Input.....................................200 VAC RMS\u003c\/li\u003e\n\u003cli\u003eDimensions.............................................2.75 X 2.75 X 0.6 Inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0756\/7235\/files\/OM-1_Rev_1.pdf?v=1610648615\"\u003eOwner's Manual\u003c\/a\u003e (PDF)\u003c\/p\u003e","brand":"D'Amore Engineering","offers":[{"title":"Default Title","offer_id":1058922349,"sku":"OM1","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7235\/products\/IMG_5814_clipped_rev_1.png?v=1554368791"},{"product_id":"vu-diy-kit","title":"VU-DIY kit","description":"\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/o9Pd0FLzzAo\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003eThe VU-DIY kit is a PCB (Printed Circuit Board)  and 2 vinyl window decals that allows someone to make a Do It Yourself LED VU meter, or DC Voltmeter.  The VU-DIY can be used in 7 different modes!  \u003cbr\u003e\u003cbr\u003eYou must supply your own LEDs.  \u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eFunction \/ Switch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003e1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003e2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003e 3\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eVU Meter Bar Graph Mode\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eBar\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eVU\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eVU Meter Bar Graph Mode with peak hold\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eBar\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eVU\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e12V DC Voltmeter Bar Graph\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eBar\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eVM\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e16V DC Voltmeter Bar Graph\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eBar\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eVM\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eVU Meter Dot Mode (moving needle)\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eDot\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eVU\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e---------- no function ----------\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eDot\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eVU\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e12V DC Voltmeter Dot Mode\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eDot\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eVM\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e16V DC Voltmeter Dot Mode\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eDot\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eVM\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\u003c\/ul\u003e\n \n\u003cp\u003eThe VU-DIY comes with a high quality FR-4 double sided PCB (Printed Circuit Board), all of the electronic parts and microprocessor, mode switches, sensitivity potentiometer, and on-board bare wire connectors. \u003c\/p\u003e\n\u003cp\u003eThere are 11 output channels, so it can make a display with up to 11 individually controlled segments.  The Outputs are active LOW, this means the PCB grounds things to turn them on. \u003cstrong\u003e When used with LEDs, current limiting resistors need to be used on each LED.\u003c\/strong\u003e  1,000 ohms - 2,000 ohms resistor on each LED will be sufficient to drive common LEDs with 10 - 20mA of current each. \u003cstrong\u003e If one wishes to make a giant meter like the one in the video below, it can be made with 12V LED strips available on EBay and other places.  These LED strips typically have the resistors built in so no external resistors are needed. \u003c\/strong\u003e Each output channel of the VU-DIN can output up to 500 mA.\u003c\/p\u003e\n\u003cp\u003ePCB size = 2 1\/8\" x 3 3\/4\"  (54mm x 95mm)\u003c\/p\u003e\n\u003cp\u003eInput Connections = 12AWG to 22AWG  (B+, Ground, Remote turn on, audio input)\u003c\/p\u003e\n\u003cp\u003eOutput Connections =  B+ common for all LEDs, and Ground outputs 1 - 11\u003c\/p\u003e\n\u003cp\u003eInput Sensitivity for VU Meter 15V to 200VAC RMS  (for amplifiers 200W to 40,000W at 1 ohm)\u003c\/p\u003e\n\u003cp\u003eInput Range for Voltmeter in 12V mode = 10.5V - 15.5V\u003c\/p\u003e\n\u003cp\u003eInput Range for Voltmeter in 16V mode = 13.0V - 19.0V\u003c\/p\u003e\n\u003cp\u003eOperative Voltage = 9VDC to 20VDC\u003c\/p\u003e\n\u003cp\u003e \u003ciframe src=\"https:\/\/www.youtube.com\/embed\/s3R_7BfSwkQ\" width=\"560\" height=\"315\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e Owners Manual: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0756\/7235\/files\/VU-DIY_Rev_3.pdf?v=1617143743\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eVU-DIY Manual\u003c\/a\u003e\u003c\/p\u003e","brand":"D'Amore Engineering","offers":[{"title":"Default Title","offer_id":39361552875582,"sku":"VUDIY-Kit","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7235\/products\/IMG_4438_4f242b30-079d-4b51-aca7-5cf926d05e7e.JPG?v=1510687414"},{"product_id":"vu-din","title":"VU-DIN","description":"\u003cp style=\"color: red; text-align: left;\"\u003e\u003cspan style=\"color: #ffffff; font-size: 12px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eThe VU-DIN can be used as a real time indicator of how close to clipping your amplifier is being driven (when calibrated with the SMD \/ D’Amore Engineering DD-1 Distortion Detector) and \/ or as a light show to add a visual sense to your music. Adding a visual sense to your music is great, as long as it is perfectly in sync. With the use of high speed analog circuitry in the VU- DIN, the response is instantaneous. (Hopefully if your system is set up correctly you won’t add the sense of smell, as smelling your music is usually a bad sign)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOwners Manual: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0756\/7235\/files\/VU-DIN_Rev_1.pdf?v=1617143743\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eVU-DIN\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"D'Amore Engineering","offers":[{"title":"Blue","offer_id":39498387587134,"sku":"VUDIN-1","price":134.99,"currency_code":"USD","in_stock":false},{"title":"White","offer_id":39498387619902,"sku":"VUDIN-2","price":169.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7235\/products\/vudin.PNG?v=1427224380"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7235\/collections\/SMD_2_small_cedc32fc-71f5-4351-b9f6-f53641b7176c.png?v=1601507045","url":"https:\/\/damoreengineering.com\/collections\/led-car-audio-meters\/vm-1.oembed","provider":"D'Amore Engineering","version":"1.0","type":"link"}