myTEKNOVO Listings on eCRATER SUMMARY: *Electronic DIY Kit(s) Parts are for sale. *All DIY Kit(s) require assembly and soldering. *Assembly and Soldering on this Kit(s) is easy (basic-soldering skills needed). LM3915 DIY VU Meter Kit Parts, v3.0: This is the improved version of the LM3915 Audio Level Indicator (VU Meter). The Circuit and PCB are custom designed and tested to offer a better quality and response in comparison to other kits that maybe for sale anywhere else. As a DIY Kit, it will require assembly and soldering; however, we have designed the PCB for easy component placement and soldering. The improved version v3.0 includes the following features: Custom Made PCB Design. Improved Audio Response by utilizing a Pre-Amp. Better Dual Mode (Bargraph or Dot) Visualization. Bargraph or Dot Mode is switch select-able. Added DMCH (Dot Mode Capacitor Holder) for better response when in Dot Mode. DMCH is switch select-able (On or Off). Better Control over total current-sinking by the LM3915. Power Diode added to avoid reverse-voltage burning/damage. Mountable PCB by Four-Corner holes. Easy plug-able Power and Audio Cables (provided in Black/Red as shown in images). Audio Signal Input Sensitivity can by adjusted by the blue-pot.Power Supply (Battery*): 8-12 Volts DC. *Battery is not included, however, the kit can be powered with a 9V Square Battery. What will I receive? 2x Complete LM3915 DIY KITs LED VU Meters v3.0 Improved Version. Please refer to images for all electronic-parts included, thank you. Sample Video: To view the sample video, click here. PCB Design Features: Custom Layout in a 3.54" x 1.29" (90x33 mm) space. (3.54" length x 1.29" width).High Quality FR4 Glossy PCB.Typical 0.062" (1.6 mm) thickness PCB.Round-Corners with Mounting Holes. Assembly Instructions: Please note that the assembly/soldering instructions/guide will be provided to buyers over PDF digital download format. The guide only includes photo-by-photo instructions to fully assemble and solder successfully the kit(s). Overall, the assembly is relatively easy and anyone with basic-soldering skills will complete and have success at testing the final working kit(s). *Note, a couple of photos are shown above to give an idea of how the kit looks like when fully soldered and tested. If any questions or inquiries, please let us know over the eCRATER messages, thank you. USA Inventory / Stock: All items for sale are in stock at hand and shipped from California. True USA Based Seller. ======= You can view more DIY KITs at our store - Click Here -. ======= Related: LED, LED Bargraph, LED Bar Graph, Arduino BarGraph, LED Display, LM3915, audio/sound level indicator. *** If you have any questions, please contact us. *** INTERNATIONAL BUYERS ARE WELCOME SHIPPING AND HANDLING: Depending on the size and weight of the item(s) being sold, your order will be delivered via the following shipping carriers: To verify the shipping carrier being used, please check the "Shipping Information" section at the bottom or top part of this ad. Make sure to also check the processing time of the order. If we have delays on your order we will contact you within 24-48 hrs. We combine shipping charges, please ask us for the correct invoice once you have completed your order. PAYMENT METHODS: PayPal payments. Credit Cards (managed through PayPal only). myTEKNOVO: Visit our listings on eCRATER for more cool items. You can contact us regarding any bulk(by quantity) order that you would like to place. We give discount on bulk orders, please ask us. myTEKNOVO