Temperature Controlled RGB LED Light Stick – Mood Light


https://www.electronics-lab.com/temperature-controlled-rgb-led-light-stick-mood-light/

The circuit presented here is a LED light stick which changes its color in respect with the room temperature. This is an Arduino compatible open source project consisting of 20 x WS2812B Addressable RGB LEDs, LM35 Temperature Sensor and ATmega328 microcontroller. Atmega328 microcontroller reads the LM35 temperature sensor and changes the RGB LEDs color as […]

ThermoDuino – OLED Display Thermometer and Tiny Arduino Board


https://www.electronics-lab.com/thermoduino-oled-display-thermometer-and-tiny-arduino-board/

ThermoDuino is a mini Arduino compatible board that consists of LM35 temperature sensor, ATMEGA328 chip, and 0.96″ OLED display. The board has been designed to measure temperature. We have used the LM35 SO8 SMD sensor which is connected to A0 analog pin of the chip, and the OLED display is connected to A4 and A5 […]

Digital Pressure Gauge 0 to 10kPa (0 to 1.75 psi) with OLED display


https://www.electronics-lab.com/digital-pressure-gauge-0-to-10kpa-0-to-1-75-psi-with-oled-display/

The project presented here is a Digital Pressure Gauge using an OLED display. The measuring range of this unit is 0 to 10kPa (0 to 1.75 psi). Additional this compact open-source hardware is Arduino compatible. This board can be used for measuring low pressure up to 1.75psi with great accuracy. The board contains an MPXV5010DP […]

Low-Cost Room Thermometer Using 16×2 LCD and Atmega328


https://www.electronics-lab.com/low-cost-room-thermometer-using-16x2-lcd-and-atmega328/

This is an easy to build small size and low-cost room thermometer. The project consists of LM35 analog temperature sensor, 16×2 LCD, and an Atmega328 chip. This compact board is Arduino compatible and provided with an onboard connector for Boot-Loader burning and Arduino IDE programming. Board also has 2 additional connectors for analog input and […]

Smart RGB LED Light Stick – Arduino Compatible


https://www.electronics-lab.com/smart-rgb-led-light-stick-arduino-compatible/

This is a Smart LED light stick that contains 20 x WS2812B single wire addressable full colors RGB LEDs and Atmega328 microcontroller. These full colors chainable intelligent RGB LEDs work with a single wire addressable protocol thus they require a micro-controller to generate the pulse train to control the colors and flashing effects. Refer to […]

RGB LED Controller using Atmega328


https://www.electronics-lab.com/rgb-led-controller-using-atmega328/

This is a 3-channel, PWM based current-adjustable LED driver designed for RGB LED control. The circuit has been designed to control high current RGB LEDs or RGB LEDs strip. Colors of the three RGB LEDs can be set using 3 potentiometers, different colors are possible by adjusting these potentiometers. We have used ATmega328 microcontroller to […]

Current Meter Using 0.96″ OLED Display


https://www.electronics-lab.com/current-meter-using-0-96%e2%80%b3-oled-display/

This project provides an economical and precise solution for DC current sensing and display on an OLED display. This board uses the ACS715T-20A hall effect-based linear current sensor chip, 0.96 Inch I2C OLED Display and Atmega328 microcontroller chip. It is an Arduino compatible open-source hardware that can be modified to your requirements. It is easily […]

Infrared Remote-Controlled AC Load ON/OFF switch with SSR


https://www.electronics-lab.com/infrared-remote-controlled-ac-load-on-off-switch-with-ssr/

Driving an AC high voltage and current load using an Infrared remote is very easy with this project. This is an open-source Arduino compatible hardware that is based on ATMEGA328 microcontroller, SSR (Solid-state Relay), Infrared Receiver TSOP1838, and analog input interface. We have used KSD215AC3 optically isolated solid-state relay to drive AC loads. We have […]

Lead Acid Battery Voltage Monitor using ATMEGA328


https://www.electronics-lab.com/lead-acid-battery-voltage-monitor-using-atmega328/

Monitoring the voltage level of a 12V Lead Acid Battery (SLA) is easy and simple with this project. The board is made using an ATMEGA328 micro-controller and 12 x 5mm LEDs. The ATMEGA328 microcontroller senses the analog voltage on A3 Analog pin and drives 12 LEDs connected to digital I/O pins of the chip. Input […]

Brushed DC Motor Speed and Direction Controller Using Joystick


https://www.electronics-lab.com/brushed-dc-motor-speed-and-direction-controller-using-joystick/

This DC Motor controller provides direction and speed control of a brushed DC motor using a Joystick. This is an Arduino compatible open-source hardware with various applications. It can be used to control scissor lift motor, Linear actuator, Camera slider, camera pan-tilt head, curtain motor, power window motor, robotics, smart furniture automation, hospital furniture automation, […]