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In this article/video, I used a variant of the Pico board (RP2040 Zero), a digital Bosch I2C BMP280 sensor, and a 3.2” SPI ILI9341 colorful TFT display to build a graphical temperature, pressure, and altitude measurement unit that can be used to monitor the home, workplace, mobile devices...
To design the schematic and PCB, I used Altium Designer, embedded a DS18B20 sensor to sense the temperature, and a small 5V-10A Panasonic Relay to control an external device. You can power the board using a 5V USB Type-C cable, such as a mobile phone charger or a power bank. I paid attention to...
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...
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...
Dealing with the 110V/220V AC mains voltage and measuring the AC load parameters are regarded as a challenge for electronic designers in circuit design and calculations. The situation becomes more complex when dealing with inductive loads because they cause a phase shift between voltage and...
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...
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...
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...
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...
octopart is not a sales website, just provides information. I think its business model is through ads.
please watch the content, I hope you get your answers. it is not a deep test like a test department, but it gives an insight into this design
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...
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