Liquid-Level Monitoring Using a Pressure Sensor – Bar-Graph Display


https://www.electronics-lab.com/project/liquid-level-monitoring-using-a-pressure-sensor-bar-graph-display/

This project allows users to monitor the liquid level on a Bar-Graph display. The liquid level is measured using a pressure sensor, the sensor is placed on top of the tank and is connected to an open-ended tube that is submerged in the water tank. The amount of water in the tank creates a proportional […]

Hi-Efficient 20W Mono Class-D Audio Amplifier


https://www.electronics-lab.com/project/hi-efficient-20w-mono-class-d-audio-amplifier/

This is a Hi-Efficient 20W mono Class-D audio amplifier, designed to drive speakers as low as 4 ohms in a bridge-tied-load configuration. Due to the low power dissipation and high efficiency of up to 90%, the module doesn’t require a heatsink. The project is built using PAM8320 chip which features short circuit protection, thermal shutdown, […]

8 Channel ESP32 Remote Control


https://www.electronics-lab.com/project/8-channel-esp32-remote-control/

This is an 8-channel remote in a compact board suitable for remote ON/OFF applications using Bluetooth or Wi-Fi protocol. The board consists of an ESP32 module and 8 tactile switches connected to various GPIO. The circuit works with 3.3VDC power supply and a Li-Ion battery can be used to power the board. The onboard LED […]

16 Channel RC Servo Driver with I2C Interface


https://www.electronics-lab.com/project/16-channel-rc-servo-driver-with-i2c-interface/

This is a 16-channel servo driver that can drive 16 x RC servos over I2C interface. The project is built using PCA9685 chip, a 16-channel PWM generator that can drive 16-channel servos simultaneously. The board can be connected to Arduino or another microcontroller. Driving robots, and animatronics puppets is easy with this board. The board […]

2 Channel Wi-Fi Relay Module Using ESP8266 NodeMCU


https://www.electronics-lab.com/project/2-channel-wi-fi-relay-module-using-esp8266-nodemcu/

The project described here is an ESP8266 NodeMCU Two Channel Relay Module. This board enables users to control 2 x relays remotely. The 2 channels can be controlled remotely using a webserver/WiFi connection. The project works with 5VDC. Two LEDs indicate relay operation. Screw terminals help user to connect devices and power the supply. Relay […]

3 Phase Brushless Motor Driver using L6235


https://www.electronics-lab.com/project/3-phase-brushless-motor-driver-using-l6235/

The project presented here is a 3-phase Brushless motor driver. The project consists of an L6235 device which is DMOS fully integrated 3-phase motor driver with overcurrent protection. Manufactured in BCD technology, the device combines isolated DMOS power transistors with CMOS and bipolar circuits on the same chip. The device includes all the circuitry needed […]

DC Motor Control Using Joystick


https://www.electronics-lab.com/project/dc-motor-control-using-joystick/

This is a compact, low-profile, and high-performance DC motor driver that provides easy control of a DC motor using a joystick. This small-size board can drive small to medium-sized brushed DC motors with up to 2.5A continuous and 6A peak currents. It is an Arduino-compatible project that helps users develop their own code and drive […]

Joystick Stepper Motor Controller


https://www.electronics-lab.com/project/joystick-stepper-motor-controller/

This is a pulse generator for a stepper motor driver using a joystick. It is a board that contains an Arduino-compatible microcontroller and circuitry for controlling up to 2-channel (2-axis) stepper motors. The board has multiple options to develop stepper motor-related control systems, from a 2-axis analog joystick to a trimmer potentiometer to a 7-channel […]

Single Channel PS3 Wireless Remote ON/OFF Switch


https://www.electronics-lab.com/project/single-channel-ps3-wireless-remote-on-off-switch/

The board presented here is multipurpose hardware which includes the ESP32-Wroom module, 3.3V regulator, 5V relay, Power LED, Relay LED, and connector to program the ESP-32 Module. The project requires 5VDC and consumes 60mA current when the relay is ON. The project can be used in IoT applications and the relay can be controlled using […]

Low-cost T113-i SoM for Entry-level HMI & Embedded Devices with Video Capabilities


https://www.electronics-lab.com/low-cost-t113-i-som-for-entry-level-hmi-embedded-devices-with-video-capabilities/

MYIR has launched MYC-YT113i CPU Module, offering larger capacities of external DDR3 memory options (512MB/1GB) to meet more customers’ needs while the popular MYC-YT113X CPU Module is fixed at 128MB on-chip DDR3 memory. Measuring only 39mm by 37mm, the MYC-YT113i CPU is based on Allwinner’s T113-i dual-core ARM Cortex-A7 processor and integrates 4GB or 8GB […]