Extreme temperature over-temperature alarm
Source: InternetPublisher:同住地球村 Updated: 2019/03/19
Relevant key device information applied in this article:
LM135
741
NE555
S%26; P27A
9013
S%26; P27B
LM567
KD153B
(a) is the alarm transmitting circuit; (b) is the receiving alarm circuit.
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