Author: mixos
![5 W + 5 W Dual BTL Class-D Audio Amplifier 5 W + 5 W Dual BTL Class-D Audio Amplifier](https://www.electronics-lab.com/wp-content/uploads/2021/08/006a.jpg)
5 W + 5 W Dual BTL Class-D Audio Amplifier
The project described here is a high-efficiency dual BTL class-D audio amplifier with single supply operations. The project was built using TDA7491LP13TR from ST. The low profile PCB design can fit in a small area, operating power supply 9-12V DC, Project supports single-ended or...
Continue Reading![AS7038RB Biosensor Solution with Embedded ECG Channel AS7038RB Biosensor Solution with Embedded ECG Channel](https://www.electronics-lab.com/wp-content/uploads/2021/08/1360-e1630314047634-1024x557.jpg)
AS7038RB Biosensor Solution with Embedded ECG Channel
ams' biosensor solution is based on photoplethysmography and electrocardiogram The operation of the ams AS7038RB is based on photoplethysmography (PPG) and electrocardiogram (ECG). PPG is the most used HRM method, which measures pulse rate by sampling light modulated by the blood...
Continue Reading![230V AC Input – 12V Output DC Converter, Non-Isolated Buck Converter 230V AC Input – 12V Output DC Converter, Non-Isolated Buck Converter](https://www.electronics-lab.com/wp-content/uploads/2021/08/006-4.jpg)
230V AC Input – 12V Output DC Converter, Non-Isolated Buck Converter
The project described here outputs 12V DC voltage from the input of 230V AC. The output current is up to 100mA. The project is based on BM2P129TF chip which is PWM method DC/DC converter with a built-in 650V MOSFET. BM2P129TF contributes to low power consumption by built-in a 650V...
Continue Reading![Universal OPAMP Board for SMD SOT23-5 Package Universal OPAMP Board for SMD SOT23-5 Package](https://www.electronics-lab.com/wp-content/uploads/2021/08/25.jpg)
Universal OPAMP Board for SMD SOT23-5 Package
This is easy to build and very useful project for hobbyists and students to learn and create OPAMP-based projects. The project accommodates a single OPAMP in the SOT23-5 package. The project provides the user with multiple choices and extensive flexibility for different applications...
Continue Reading![DC Motor Speed, Direction and Brake Control with NRF24L01 RF Module – Arduino Compatible DC Motor Speed, Direction and Brake Control with NRF24L01 RF Module – Arduino Compatible](https://www.electronics-lab.com/wp-content/uploads/2021/08/004-3.jpg)
DC Motor Speed, Direction and Brake Control with NRF24L01 RF Module – Arduino Compatible
This is Arduino compatible hardware that can control a single DC motor speed, direction, and brake using an RF remote control. The project is based on an ATMEGA328 microcontroller, H-Bridge DC motor driver chip LM18201, NRF24L01 RF module, 5V Regulator, 3.3V regulator and other...
Continue Reading![Single Joystick Remote Control Transmitter using NRF24L01 – Arduino Compatible Single Joystick Remote Control Transmitter using NRF24L01 – Arduino Compatible](https://www.electronics-lab.com/wp-content/uploads/2021/08/002-3.jpg)
Single Joystick Remote Control Transmitter using NRF24L01 – Arduino Compatible
This is an Arduino compatible open-source hardware that includes 1 x joystick, NRF24L01 RF module, Atmega328D microcontroller, 3.3V regulator, power LED, function LED, and other required components. This board can be used for the development of various applications such as Gaming,...
Continue Reading![Dual Joystick RF Remote Transmitter with NRF24L01 RF module – 2 Joystick Control Dual Joystick RF Remote Transmitter with NRF24L01 RF module – 2 Joystick Control](https://www.electronics-lab.com/wp-content/uploads/2021/08/005-1.jpg)
Dual Joystick RF Remote Transmitter with NRF24L01 RF module – 2 Joystick Control
This is an Arduino compatible open-source hardware that includes 2 x Joysticks, NRF24L01 RF module, Atmega328 microcontroller, 3.3V regulator, power LED, function LED, Arduino programming connector, and other required components. This board can be used for the development of various...
Continue Reading![8 Channel RC Servo Driver Over RF Link using NRF24L01 RF Module – Arduino Compatible 8 Channel RC Servo Driver Over RF Link using NRF24L01 RF Module – Arduino Compatible](https://www.electronics-lab.com/wp-content/uploads/2021/08/015.jpg)
8 Channel RC Servo Driver Over RF Link using NRF24L01 RF Module – Arduino Compatible
This is an easy-to-build open-source Arduino compatible board that enables driving 8 RC servos over NRF24L01 RF Link. The project can be used as a standalone RC servo driver or 8 channel RF remote-controlled RC servo Receiver. An optional OLED display option can be used to develop RC...
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