testing
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Getting Started with ESP32 using Arduino IDE - Blink LED The internet has reached almost every pocket through smartphones. It is estimated that approximately 3.2 billion people use the internet; however, a surprising 8.4 billion devices also utilise the internet. ESP32 Arduino IDE is emerging as the most popular development combination for IoT projects. Electronic devices are connected to the internet more than twice the… |
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Generate Pulse Width Modulation (PWM) Signal using 555 Timer IC Pulse Width Modulation using 555 timer is an important feature of today’s microcontroller due to its requirement for controlling many devices in almost every field of Electronics. PWM is widely used for motor control, lighting control, etc. Sometimes we do not use a microcontroller in our applications, and if we need to generate PWM without a microcontroller, then we prefer… |
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Op-amp IC Tester Circuit Op-amp (Operational Amplifier) is very important component in Electronics, and used in many Electronics circuits to serve different purposes. We have used different Op-amps in many circuits and developed a separated section for Op-amp Circuits. Op-amp basically has Voltage Comparator inside, which has two inputs, one is inverting input and second is… |
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Clap Switch Clap switch is an interesting hobby circuit that turns on the lights with a clap sound. Although its name is “Clap switch”, it can be turned ON by any sound of approximately the same pitch as a clap. The main component of this clap switch circuit is the Electric Condenser Mic, which has been used as a sound sensor. The Condenser Mic basically converts sound energy into… |
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Servo Motor Tester Circuit Servo motors are basically rotary actuators that enable precise control of angular position, acceleration and velocity in various embedded system applications. Commonly having a rotation limit of 90o to 180o, servo motors are DC motors equipped with servo mechanism to sense and control angular position. They are used where there is a need for accurate shaft movement or… |
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Simple Continuity Tester Circuit using 555 Timer IC In electronics and electrical systems, faults are very common. The most commonly appearing fault is due to discontinued connection or open circuit. To rectify such kind of faults, one could go through all the lines to identify the fault itself. Though, this method fault search is generally replaced by continuity testing equipment. There are many ways of open circuit… |
