In this article we are going to learn how to interface air quality sensor MQ-135 with Arduino. We will see overview of the sensor and construct a project which detects […]
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How to Make a Transformer Winding Counter Circuit
The post details how to make a simple transformer winding counter circuit using ordinary LEDs and also through an advanced digital display circuit. The idea was requested by one of […]
6 Best IC 555 Inverter Circuits Explored
The 6 unique designs below explains us how an ordinary single IC 555 astable multivibrator could be used effectively to make an inverter without involving complex stages. No doubt IC […]
How to Send and Receive SMS Using GSM Modem
In this article we are going to learn, how to send and receive SMS using GSM modem which is controlled by Arduino. Let us see, what GSM modem is, how […]
0-60V LM317HV Variable Power Supply Circuit
The high voltage LM317HV series of ICs will allow to go beyond the traditional voltage limits of an LM317 IC and enable controlling supplies that may be as high as […]
3 Phase Induction Motor Speed Controller Circuit
In this post we discuss the making of a simple 3 phase induction motor speed controller circuit, which can be also applied for a single phase induction motor or literally […]