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An electronic metronome with LED beat indication and a speaker incorporated. The volume and beats/minute are adjustable. Requires an 8 to 15V power supply or a 9V PP3 battery (not included).
Price: £5.99 from Tesco
| Retailer | Price | |
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| Tesco | £5.99 | Go to shop |
The LM317LZ is a positive variable regulator in a TO92s style case and has the following specifications:
Ideal for high frequency applications such as sample and hold, timing, LC-filtering, oscillating and audio equipment
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