434Mhz Arduino Wireless Analog Sensor Data Receiver


https://www.electronics-lab.com/project/434mhz-arduino-wireless-analog-sensor-data-receiver/

This Wireless Analog Sensor Receiver is a complementary component to the Wireless Analog Sensor Transmitter, designed to receive and process data transmitted from the transmitter. This Receiver project is compatible with the 434Mhz Arduino Wireless Analog Sensor Transmitter The receiver system consists of: 434MHz RF ASK Receiver module: This module receives the data transmitted from […]

434Mhz Arduino Wireless Analog Sensor Transmitter


https://www.electronics-lab.com/project/434mhz-arduino-wireless-analog-sensor-transmitter/

This Wireless Analog Sensor project is a cost-effective solution for transmitting live data and enabling continuous monitoring, logging, and plotting sensor measurements. The system utilizes a 434MHz RF module and an Arduino-compatible microcontroller, ATMEGA328, to transmit data from a sensor connected to the A1 analog pin. The data is received and displayed on an OLED […]

Inclinometer with 17 Segment BarGraph Display


https://www.electronics-lab.com/project/inclinometer-with-17-segment-bargraph-display/

This project is an inclinometer based on the ADXL203/ADXL103 accelerometer chip and the Arduino microcontroller ATMEGA328. The device measures tilt and displays it on a 17-segment bar graph display. The ADXL203 provides an analog value, which is read by the ATMEGA328’s ADC A0 and displayed on the LED bar graph. The project also includes an […]

Bootloader Programmer Tool for ATMEGA328 32Pin TQFP Arduinio ISP


https://www.electronics-lab.com/project/bootloader-programmer-tool-for-atmega328-32pin-tqfp-arduinio-isp/

If you have a new ATmega328P you’ll need to burn the bootloader, to be able to upload a sketch with Arduino IDE. You can do this using this simple-to-use bootloader burning tool. The board consists of 32-pin TQPF adapter and Arduino Nano. Place the new ATMEGA328 TQFP chip into 32-pin adapter -> Connect Arduino Nano […]

Bluetooth Smart LED Dimmer – 4 Channel Bluetooth ON/OFF Switch


https://www.electronics-lab.com/project/bluetooth-smart-led-dimmer-4-channel-bluetooth-on-off-switch/

This Bluetooth Smart LED Dimmer, 4 Channel ON/OFF Switch is a versatile device that enables users to control various devices, including lights, fans, and DC motors, using a Bluetooth app on an Android device. The device features a 4-channel dimmer that can handle inductive or resistive loads with a power supply range of 12V to […]

Arduino Bluetooth Relay Switch


https://www.electronics-lab.com/project/arduino-bluetooth-relay-switch/

This Bluetooth Relay Switch enables users to control lights, fans, or other devices using a Bluetooth app on an Android device. The device can be controlled using a simple app. The project consists of an Arduino-compatible microcontroller (ATMEGA328), a 5V relay, a relay driver BJT, and an optocoupler, which provides isolation between the relay and […]

Arduino 8 Channels High-Side Switch


https://www.electronics-lab.com/project/arduino-8-channels-high-side-switch/

The project presented here is a high-side switch (8 channels) with MOSFET output. The Arduino board consists of an Arduino-compatible microcontroller ATMEGA328 and TPD2015FN – 8 Channels MOSFET switch. All 8 inputs of TPD2015FN are TTL compatible. The project is suitable for driving inductive and resistive loads such as industrial programmable logic controllers, motors, and […]

10 Minutes Timer for AC Loads


https://www.electronics-lab.com/project/10-minutes-timer-for-ac-loads/

The project described here is a 10-minute timer using an Arduino microcontroller, capable of driving AC loads up to 30A. The timer’s progress is visually represented by 10 LEDs, which light up sequentially, each for 1 minute, totaling 10 minutes. The project is powered by a single 230V AC supply, converted to 12V DC for […]

RC PWM Signal to Stepper Pulse Generator


https://www.electronics-lab.com/project/rc-pwm-signal-to-stepper-pulse-generator/

This simple Arduino compatible project reads an RC PWM signal (1000μs to 2000μs) and provides 0 to 500Hz pulse output to drive a stepper motor. Step and Direction outputs are open collector types 5V signals. Both signals can directly drive LEDs of optocoupler of stepper drivers. The board consists of ATMEGA328 chip and 2 x […]

Over Current Alarm with 15 Segment Bar-Graph Display


https://www.electronics-lab.com/project/over-current-alarm-with-15-segment-bar-graph-display/

This Bar-Graph Display provides a high visibility 15-Segment Bar-Graph display for current measurements. A buzzer provides audible sound when an over-current condition event occurs. The 15 segments are made with Red, Blue, Green, and yellow color LEDS. All LEDs are SMD size 1206. This tiny board can display 0 to 2A current and provide an […]