An In-Circuit Emulator (ICE) is a tool to develop the software for an embedded system. For the development of the software, the controller normally present in the system is replaced by a special variant that is directly connected to the ICE. An in-circuit emulator also called in-circuit emulator (ICE) or on-circuit debugger (OCD) or background debug module (BDM) is a hardware device for debugging … [Read more...]
Arduino NeoPixel Ring VU Meter (USB-to-Serial)
For this tutorial, we will need to send live data over USB to the microcontroller. On paper, you can send data between ESP32 and a computer through USB but in real life, people often face problems with ESP32. CP2102 USB to UART Bridge provides a complete plug-and-play interface solution: [crayon-6571713ec1222247261882/] The failproof way is to use Adafruit Metro Mini as a microcontroller … [Read more...]
NeoPixel VU Meter With SP107E LED Music Controller
SP107E is an LED music controller (which is made in China) that costs around $20 and you can use a NeoPixel ring or NeoPixel strip or NeoPixel display matrix (according to your need) to build your own NeoPixel VU Meter. Our readers may ask, why we are not using Arduino or ESP32 instead using SP107E. The fact is that SP107E is a ready-to-use unit with various options for audio input and a … [Read more...]
What is System in a Package?
System-in-Package (SiP) is an integration approach in microelectronics that is technically located between monolithic on-chip integration (system-on-a-chip, SoC) on a die (unpackaged semiconductor chip) and on-board integration of discrete components on a printed circuit board (PCB) or on a multi-chip module (MCM). Passive and active components as well as other components are combined in a package … [Read more...]
Required Parts to Build a Servo Steering Controlled Robot Car (Arduino/ESP32)
To build an Arduino or ESP32-powered 4-wheel robot car, you need some specific parts including a special chassis. In the case of ordinary 4-wheel drive, the wheel mechanism is less complex. You need rear-wheel drive plus a front steering mechanism to properly steer. As this kind of chassis is built using the professional remote-control racing principle. They use two rods through the steering servo … [Read more...]
Analog Circuit Basics (for Arduino)
While working with Arduino, and Raspberry Pi we often face components which work in the analog principle. For example an LDR or a thermistor or laser TOF sensor operates as analogue electrical circuits. Analog electronics is the part of electronics that exploits signals that can operate or be measured by continuous values. Analog electronics are complementary to digital electronics, which … [Read more...]
Dimming AC Powered LED with Arduino
This guide contains instructions which involve handling 110/220V AC main supply which may create electric shock and death. Children and novices are suggested not to try this guide without monitoring by an expert. The AC light dimmer for Arduino is a type of modules which allow to vary the power of an alternating current. It has the same use as a transistor in direct current. It can be used to vary … [Read more...]
Arduino Releases Nano ESP32
So far we used to use Espressif’s ESP32 microcontroller as a generic DOIT ESP32 DEVKIT or LOLIN D32 Pro or HUZZAH32 or similar board with Arduino IDE (to use Arduino compatible sketches). Now, Arduino has officially released a version of Arduino Nano which uses Espressif’s ESP32 microcontroller. This is powered by the ESP32-S3 (as Ublox NORA-W106-10B), the Nano ESP32 featuring: 8 MB internal … [Read more...]
Weather Forecasting : Basics for Arduino
Weather forecasting aims to predict the state of the atmosphere at a certain time in a certain place or area. This does not only mean weather phenomena that affect the ground but the entire earth's atmosphere is considered. A weather forecast is a forecast over a longer period, i.e. over several days or even months, up to an entire season. The possibility of such forecasts is currently still very … [Read more...]
Basics of BJT Transistor
In our previously published articles, we have discussed about MOSFET and Darlington Transistor. These three articles including this one are important for Arduino users with a lesser idea about these semi-conductors. Our target is to distribute the basic knowledge so that they decide and purchase the correct type of transistor. The discovery of the BJT transistor made it possible to effectively … [Read more...]
How a MOSFET Works
In our previous article on Darlington Transistor, we have explained the classification of transistors. The operating principle of MOSFETs is about 20 years older than that of the BJT transistor. An isolated gate field-effect transistor more commonly known as MOSFET (which stands for metal-oxide-semiconductor field-effect transistor). It is a type of field-effect transistor (FET). Like all … [Read more...]