Operational Amplifier – Introduction
KEY TAKEAWAYS What is an Operational Amplifier? An operational amplifier (op amp) is an analog circuit block that takes a differential voltage input and produces… Read More »Operational Amplifier – Introduction
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Basic Electronics
Fundamental electronics concepts for embedded engineers — voltage dividers, transistor switches, op-amps, thermistors, power supplies, and number systems. Theory with practical application.
LM35 Temperature Sensor: Working, Circuit, and Arduino Code
KEY TAKEAWAYS LM35 is a temperature sensor that outputs an analog signal which is proportional to the instantaneous temperature. The output voltage can easily be… Read More »LM35 Temperature Sensor: Working, Circuit, and Arduino Code
How to Choose the Right Sensor for Your Embedded System
KEY TAKEAWAYS In this post, we will look into various selection criteria for sensors. Finding the right sensor can be a tough call. Hopefully by… Read More »How to Choose the Right Sensor for Your Embedded System
Voltage Divider Network
KEY TAKEAWAYS Definition: A resistor divider network, also known as a voltage divider network, is one of the most fundamental circuits in electronics. A series… Read More »Voltage Divider Network
Transistor as a Switch: NPN and PNP Circuit Design Guide
KEY TAKEAWAYS In this tutorial I will show how to use a transistor as a switch. Switching and Amplification are the most common application of… Read More »Transistor as a Switch: NPN and PNP Circuit Design Guide
5v-3.3v Bi-Directional Logic Level Converter
KEY TAKEAWAYS Are you working on a project that has two different voltage levels? Maybe an Arduino interfacing with the ESP8266 Wifi Module? Or just… Read More »5v-3.3v Bi-Directional Logic Level Converter