Lisa's Column
Simple logic analyzer for hobbyists
A logic analyzer isn’t a “must-have” tool, especially for hobbyists. Most measurements of logic signals can be made with an oscilloscope. But it do...
Controlled Depth Drilling In PCB Manufacturing: Back Drilling
Back drilling is a technique used in printed circuit board (PCB) manufacturing to create controlled depth drilling for specific signal integrity re...
Types of Periodic Waveform
There are several types of periodic waveforms commonly encountered in electrical engineering and signal processing. Here are the key types:
Sinus...
Top 10 fundamental operational amplifier circuits
Operational amplifiers (op-amps) are versatile integrated circuits widely used in analog electronics for various applications. Here are the top 10 ...
PWM Cooling-FAN Control and Over Temperature Protection using LM35 and ATTiny13
Creating a PWM (Pulse Width Modulation) cooling fan controller with over-temperature protection using an LM35 temperature sensor and an ATtiny13 mi...
Understanding the Single-Phase Full Wave Converter
A single-phase full-wave rectifier is a circuit that converts alternating current (AC) to direct current (DC). Unlike half-wave rectifiers, which u...
What is the difference between VCC, VEE, VDD, and VSS in microcontroller pins?
In electronics, especially when dealing with microcontrollers and integrated circuits (ICs), you will come across various pin designations such as ...
The working principle of the MCU reset circuit The MCU power-on reset circuit diagram sharing
The MCU reset circuit is composed of capacitors connected in series with resistors. From the figure and the nature of "capacitor voltage cannot cha...