Solar Powered Kindle - Part 12: Comparator circuit testing

1,745 views · Published 8 October 2011 · 9:15 · Indexed 6 November 2026

Channel: mjlorton · 2011 · Science & Technology

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In this video I demonstrate the first version of the comparator circuit I will be using to replay the relay.

Equipment used:
CIGS thin film solar panel
Amazon Kindle DX
Fluke 115 digital multimeter
Brymen 867 digital multimeter
Brymen 251 digital multimeter
Thurlby Thandar Instruments Precision Linear 30V 3A variable power supply 
Digital Storage Oscilloscope DSO1042CML
Supercapacitors
NDL1205SC DC to DC converter
FRS1-S 12 Volt relay
Solderless breadboard
crystalline solar cell
voltage comparator circuit design using LM339

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