Ultrasonic Sensor HC-SR04 Specification and Its Alications SR04 Ultrasonic Distance Sensor is a popular and low cost solution for non-contact distance measurement function. This module includes ultrasonic transmitter, ultrasonic receiver and its control circuit. The HC-SR04 ultrasonic sensor uses sonar…
Smoke Sensor-MQ-2 Specification and Applications The MQ-2 smoke or (Gas sensor) is sensitive to smoke and to the following flammable gases: LPG, butane, propane, methane, alcohol and hydrogen. The resistance across the sensor is different depending on the type of…
RTC-Real Time Clock-DS1307 The DS1307 Serial Real-Time Clock is a low-power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. Address and data are transferred serially via a 2-wire, bi-directional bus. The clock/calendar provides seconds, minutes, hours, day,…
