esp8266 - What are the best GPIO pins to use for my project? - Arduino Stack Exchange
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SRS - Magnetic Reed Switch Module Reed Sensor G180 Compatible With Arduino, Raspberry Pi, AVR, PIC, Atmel, NodeMCU (1) : Amazon.in: Industrial & Scientific
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IoT Door Sensor Reed Switch based Security System using Nodemcu
Fridge door alarm, ESP8266, Arduino, Blynk, magnetic sensor - Hackster.io
DIY ESP8266 Home Security with Lua and MQTT Protect your home with MQT
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IoT Door Sensor Reed Switch based Security System using Nodemcu
ESP 8266 Mailbox Notifier using DeepSleep and Blynk | Cool arduino projects, Arduino projects diy, Electronics projects diy
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D1 Mini V2 NodeMcu 4M Bytes Lua WIFI Internet Of Things Development Board Based ESP8266 - Rytronics.in
LEIDS - Low Energy IOT Door Sensor : 8 Steps (with Pictures) - Instructables
SRS - Magnetic Reed Switch Module Reed Sensor G180 Compatible With Arduino, Raspberry Pi, AVR, PIC, Atmel, NodeMCU (1) : Amazon.in: Industrial & Scientific
Smarthome#2 - NodeMcu + Reed Switch + Tasmota - YouTube
Making a simple door sensor from ESP8266 - John's Tech Blog
Reed Switch Tutorial for Arduino, ESP8266 and ESP32
