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Use Li-ion Batteries Instead of Alkaline

204 bytes added, 15:10, 5 December 2019
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=== Common Problems and Solutions===* All Observe polarity for electrical connections in this design are polarized! Pay attention to the positive and negative terminals/signs on PC boards/battery- failure to do so could cause damage.* Depending on the metal battery clip style and plastic thickness, the battery positive terminal may not make good contact, without carving some of the plastic away with a knife.
== Cost savings==
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