MQ7 SENSOR AND KEYPADBASED CO SAFETY SYSTEM USING ARDUNO
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Components used: arduino, arduinouno, led, mq-7, buzzer, keypad, resistor
▶ Open & Simulate this CircuitSarkitLab
Components used: arduino, arduinouno, led, mq-7, buzzer, keypad, resistor
▶ Open & Simulate this Circuit