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  1. sam.moshiri

    Low Noise 45V-4A Dual Rail Power Supply Using Enhanced Capacitance Multiplier

    The core element of any electronic device is the power supply. Any instability or malfunction of the power supply causes the device to malfunction or demonstrate weird behavior. In some sensitive applications, we need a dual voltage-rail power supply to prepare a high current and low noise...
  2. sam.moshiri

    85V-260VAC to 5VDC-2.5A Flyback Switching Power Supply

    The key part of any electronic device is the power supply. Any instability or malfunction of the power supply part causes the device to stop working or demonstrate weird behavior. In this article/video, I introduced an AC-to-DC flyback Switching power supply that converts 85V-260VAC to...
  3. sam.moshiri

    Digital AC Energy Measurement Circuit: Voltage, Current, Power, PF, KWh

  4. sam.moshiri

    Digital AC Energy Measurement Circuit: Voltage, Current, Power, PF, KWh

    Dealing with the 110V/220V AC mains voltage and measuring the AC load parameters are regarded as a challenge for electronic designers, both in circuit design and calculations. The situation becomes more complex when dealing with inductive loads because they cause a phase shift between voltage...
  5. sam.moshiri

    5V-1A DC to DC Buck Converter using MP9486

    DC-to-DC buck converters are utilized ubiquitously in electronic devices. Three major types of non-isolated DC-to-DC converters are introduced: Buck, Boost, and Buck-Boost. The most frequently employed type is the Buck converter. In this article/video, I introduce a compact buck converter board...
  6. sam.moshiri

    DIY 433MHz 4-Channels Wireless Switcher Circuit

    433MHz/315MHz remote controls are everywhere around us, used to control devices such as turning ON/OFF the lights or a TV, or in applications such as opening/closing parking or villa entrance, … etc. Such remotes are available in the market in various shapes and sizes; however, most are equipped...
  7. sam.moshiri

    220VAC to 8VDC 24W Flyback Switching Power Supply

    The most important part of any electronic device is the power supply section. Any instability or malfunction in this part causes the device to stop its operation or show weird behavior. In this article/video, I introduced an AC to DC Flyback Switching power supply that converts 220V-AC to 8V-DC...
  8. sam.moshiri

    DIY Laser Range Finder (1mm Accuracy)

    In this article/video, I used an RP2040 Zero board, a VL53L0X Laser time-of-flight ranging sensor, and a 2.4” TFT display to build a graphical laser rangefinder unit that can be used to monitor the distance, check the liquid level, etc. The board is also equipped with a relay and a buzzer that...
  9. sam.moshiri

    Adjustable Low EMI Switching Power Supply

    Yes I put a fat amount of effort for my content
  10. sam.moshiri

    Adjustable Low EMI Switching Power Supply

    A power supply is an essential tool on every electronics bench. The TPS54202 is a highly efficient 2A synchronous buck converter with a wide 28V input voltage range and low EMI figures, making it suitable for various applications. These features make the TPS54202 an excellent choice for building...
  11. sam.moshiri

    Stereo Digital FM Transmitter Circuit

    In this project, I have introduced a compact stereo digital FM transmitter circuit that operates in the frequency range of 87MHz to 108MHz. The frequency can be adjusted using two tactile push-buttons, with a 0.1MHz step size. The heart of the circuit is an ATMega8 microcontroller, which...
  12. sam.moshiri

    👉 35V-5A Adjustable Switching Power Supply (DC to DC Buck Converter)

    That is a linear supply, but what I posted here is switching and very small, you can embed it in whatever enclosure and control the voltage using the potentiometer
  13. sam.moshiri

    👉 35V-5A Adjustable Switching Power Supply (DC to DC Buck Converter)

    A DC-to-DC converter is one of the most commonly used circuits in electronics, especially in power supply applications. There are three major types of DC-to-DC converters (non-isolated): Buck, Boost, and Buck-Boost. Sometimes a buck converter is also called a step-down converter and a boost...
  14. sam.moshiri

    30A AC Soft Starter (Inrush Current Limiter)

    Thanks, build one and have fun
  15. sam.moshiri

    30A AC Soft Starter (Inrush Current Limiter)

    Are you tired of dealing with the damaging effects of inrush currents on your industrial devices? Look no further than an AC inrush current limiter (soft starter). Inrush current, also known as surge current, is the large amount of current that flows into a load at start-up. This can cause...
  16. sam.moshiri

    DIY Wireless Home Automation (Control and Monitoring)

    Glad that it was helpful
  17. sam.moshiri

    DIY Wireless Home Automation (Control and Monitoring)

    Nowadays home automation is a trending topic among electronic enthusiasts and even the mass population. People are busy with their life challenges, so an electronic device should take care of the home instead! The majority of such devices need internet or Wi-Fi for connectivity or they don’t...
  18. sam.moshiri

    220V-AC to 12V-DC 18W Switching Power Supply

    Flyback is the most common circuit topology to build galvanically isolated AC to DC or DC to DC converters. Flyback circuit is cheap and relatively easy to manufacture, therefore nowadays the majority of home or industrial appliances are powered using AC to DC Flyback converters. In general, a...
  19. sam.moshiri

    A Standalone Full Bridge DC Motor Driver

    The Full-Bridge (H-Bridge) is the most popular driver circuit to control brushed DC motors. The main advantage of a full bridge driver is the ability to change the rotation direction of the motor, without manually reversing the supply wires. I’ve already published the Half-bridge and H-bridge...
  20. sam.moshiri

    40V-30A Adjustable Switching Power Supply

    https://www.youtube-nocookie.com/embed/xyNHRRr3blo?feature=oembed any question/comment is welcome
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