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Noob 7868

about 2 years ago
Project - The principle of replacement of transistors | in Components

In maintenance, design and experiment or trial production, the replacement of transistors is often encountered. If the principle of replacement (substitution) of transistors is mastered, the work will be effective at the beginning. Its replacement (substitution) principles ca... view more

Noob 7868

about 2 years ago
Project - An article to understand the classification and principle of commonly used gas sensors | in Sensors

Gas sensors are mainly used to detect a specific gas and measure whether the gas exists near the sensor, or the content in the air near the sensor. Therefore, gas sensors are often indispensable in safety sy... view more

Noob 7868

about 2 years ago
Project - Understand the difference between speaker impedance 4 ohm and 8 ohm in one article | in

Introduction to impedanceImpedance and resistance have the same unit, both are Ω. Resistance has an obstructive effect on current, and similarly, impedance has an obstructive effect on current.Impedance can be any combination of resistance, capacitance, and inductance that hinders the current. S... view more

Noob 7868

about 2 years ago
Project - Homemade high-sensitivity metal detector | in Basic Circuits

This metal detector, due to the use of a quartz crystal oscillator and a difference frequency signal multiplier, makes the circuit stable and extremely sensitive. Although the circuit uses five ICs, the cost is very low ... view more

Noob 7868

about 2 years ago
Project - Home-made humidifier diagram | in Basic Circuits

Home-made humidifier diagram

Production steps:

Step 1: Required materials:

Empty baby wipes box

Aluminum foil (approximately 7.5 by 5 inches, 19 by 12.7 cm)

20 ounces (about 560 ml)... view more

Noob 7868

about 2 years ago
Project - How to program STM32F103C8T6 with ArduinoIDE | in Arduino

The STM32F103C8T6 board-also known as Blue Pill-is the development board M3 microcontroller of ARM Cortex. It looks very similar to Arduino Nano, but it contains more functions.In this article, I will show you how to set up STM32 using Arduino IDE and show you how to program directly from the USB... view more

Noob 7868

about 2 years ago