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The use of wide voltage LM393 comparator
IoT Devices: Smart home appliances
Operating Voltage 24V DC Operating Current 20mA AC Switching Capacity 250V @10A DC Switching Capacity 30V @10A No
They are a simple but effective way to display numerical data like time or quantity
Sensors | Detecting Alcohol
ESP8266 ESP-01 WIFI Transceiver Wireless Module 5Dbi Flat Antenna The use of wide voltageThe ESP 01 ESP8266 Serial WIFI Wireless Transceiver Module is a self contained SOC with an integrated TCP IP protocol stack that can give any microcontroller access to your WiFi network. The ESP8266 is capable of either hosting an Applications or offloading all Wi Fi networking functions from another Applications processor. Each ESP8266 module comes pre programmed with an AT command set firmware, meaning, you can simply hook this up to your Arduino
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