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74HC30 is an 8-input NAND gate
MQ-2 Gas Sensor module is useful for gas leakage detecting in home and industry
This device can also be used to make a programmable output regulator
The inputs LTand BI do not affect the latch circuit
NodeMCU (ESP8266 WiFi Programming & Development Kit) CH340 Encoder Module 74HC30 is an 8-input NANDIntroduction : Wi fi module, based on ESP8266 system. On Board 10 GPIO ports (each of which can handle PWM, I2C and 1 wire), built in 10 bit ADC and a converter USB UART. It has installed software NodeMCU which enables programming with the Lua script language or using the Arduino IDE. NodeMCU (ESP8266 WiFi) is a highly integrated module It offers a complete and self contained Wi Fi networking solution, allowing it to either host the application or to
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