LM3914 Dot / Bar Display Driver

Stock code: 2947
filler

Pricing:Ex VATInc VAT
1+ £2.19
(excl. VAT)
£2.63
(inc. VAT)
5+ £2.09 £2.51
100+ £1.99 £2.39
Stock:
Discontinued - This page is for reference for existing customers of this product. It is not possible to buy this item.

Description

Same Day Dispatch

  • Orders placed online before 3:00pm Monday - Friday (excluding public holidays and our Christmas shutdown period) are always dispatched the same day provided the goods are in stock. If the goods are not in stock we will endeavour to contact you as soon as possible to discuss a dispatch date.

UK Deliveries

  • If you live on the UK mainland and don't have any large materials or lithium batteries in your order it will cost £3.95 (£4.74 including VAT) if you spend less than £40 (£48 including VAT).
  • If you spend between £40 and £200 (£48 - £240.00 including VAT, excluding large materials or lithium batteries) delivery is free to most locations, £12 (£14.40 including VAT, excluding large materials or lithium batteries) to Northern Ireland and £15 (£18.00 including VAT, excluding large materials or lithium batteries) to UK remote locations. For a list of postcodes that will be charged the remote location rate: remote area list.
  • If you spend over £200 (£240.00 including VAT, excluding large materials or lithium batteries) delivery is free within the UK.

Rest of the world

  • These orders are sent via UPS, and the cost is dependant on the service you choose at checkout. Alternatively you can choose the free collection option and have your own courier collect it from us. International orders can only be shipped to the registered card address. Please note: International orders may be charged import duty dependant on local import laws and duty rates. These charges are usually billed to you directly from UPS.
  • Delivery times vary for international orders depending on the service selected and the destination. You can see the delivery time and cost at the shipping stage, or by using the shipping estimator from within the shipping basket.

Collection

  • If you would like to collect your order, or use your own courier then there is an option you can select during checkout. We do not charge a packaging or handling fee for this service, and you will receive an email when your order has been processed, you can collect half an hour after receipt of this email.

Further Information

Q:
Could this be used to measure and display the audio levels (base, mid, treble) of a speaker system? (either in-built into it or via a microphone)
Many thanks,
Tom
Asked by: Tom Davies
A:

This chip only compares signal amplitude. If the signal was split into low, medium and high frequencies first with passive/active filtering you may be able to achieve this using 3 of them. The chip itself doesn’t have any clever way of splitting the signal.

Answered by: Michael Lockhart
22-Jan-15

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