High quality PCB prototypes: https://www.pcbway.com
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I want to make another IOT project with a PCB capable of detecting a pulse from a sensor, turn on, send the data to the Internet and then turn off 100%, so we have 0 consumption. That's what we can do with this latch circuit.

LINKS

Latch Tutorial webpage: https://electronoobs.com/eng_circuito...
Latch + Arduino tutorial: https://electronoobs.com/eng_circuito...


VIDEOS

ESP8266 Door alarm IOT video:    • IoT#1  Door Open Alarm + EMail | ES...  
ESP8266 database video:    • ESP8266 + Arduino + database  Contro...  


SUPPORT

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my Q&A page: https://electronoobs.io/forum/index.php
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Canal en Español:    / electronoobs en español  

00:00 Intro
01:55 What I want
02:37 Latch Circuit Example
03:08 How It Works?
06:36 Latch + Microcontroller
07:44 Second Latch Test
08:46 Outro

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#latch
#circuit
#IOT