Fuel Gauge with OLED Display
https://www.electronics-lab.com/project/fuel-gauge-with-oled-display/
This project enables the measurement of fuel levels in a tank using a resistive float sensor. The fuel level is measured and displayed on an OLED display. The project is compatible with Arduino and features an ATMEGA328 microcontroller. The resistive sensor, connected to a divider resistor, is linked to Analog pin A0 of the Arduino […]
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 […]
I2C DAC Controlled Electronic Load – Battery Performance Tester
https://www.electronics-lab.com/project/i2c-dac-controlled-electronic-load-battery-performance-tester/
The project presented here is an I2C electronic load, intended for testing power supplies, solar panels, batteries, and supercapacitors. The board consists of an I2C interface DAC MCP4725, OPAMP U2 acts as V to I (Voltage to Current), OPAMP U3 measures the load current across the shunt resistor and provides 0 to 4.9V Voltage with […]
Arduino Compatible OLED Board with 4 Channel 16-Bit ADC
https://www.electronics-lab.com/project/arduino-compatible-oled-board-with-4-channel-16-bit-adc/
This board consists of Arduino-compatible hardware which includes an OLED display, ADS1115 4-Channel 16Bit ADC, Arduino-compatible Microcontroller ATMEGA328, a connector for Arduino Programming, a connector for 4 Channel Analog input, and a connector for a couple of I/O lines. Operating supply 5V DC. The ADS1115 device is a precision, low-power, 16-bit, I2C-compatible, analog-to-digital converter (ADCs). […]
RC Servo Movement Recorder and Player
https://www.electronics-lab.com/project/rc-servo-movement-recorder-and-player/
This is an RC servo controller board that allows users to record RC servo motor movement and playback it back with precision. There is an onboard potentiometer to control the RC servo up to 180 degrees. It allows you to record the movement of one servo, a few seconds in duration. Servo movement can be […]
RC Radio Controlled Switch with Relay
https://www.electronics-lab.com/project/rc-radio-controlled-switch-with-relay/
This RC Relay project enables control of large current devices using a Radio Control (RC) System. This RC switch converts hobby radio control (RC) pulses to control the on/off state of the Relay. On board LED indicates the output. The board is Arduino compatible and the example code can be modified as per user requirements. […]
LilyGO TTGO T5-4.7 E-Paper Weather Station
https://www.electronics-lab.com/project/lilygo-ttgo-t5-4-7-e-paper-weather-station/
The LILYGO T5 4.7 inch E-Paper ESP32 Development Board is an exciting 4.7″ e-paper display integrated with an ESP32 WiFi/Bluetooth module. The board’s processor is ESP32-WROVER-E with 16MB of FLASH memory and 8MB of PSRAM. The ESP32 module supports Wi-Fi 802.11 b/g/n and Bluetooth V4.2+BLE and can easily be programmed with Arduino IDE, VS Code, […]