If what you're looking for is missing, call us — we'll help you find it

ODHERU ELECTRONICS

Projects

Practical things you can build, repair or automate. Each project lists the products you need, with quantities, so you know exactly what to ask for.

Automatic Plant Watering System — main component

Automatic Plant Watering System

Water plants only when the soil is dry, using a moisture sensor, relay and small pump.

View project →
Ultrasonic Distance Meter — main component

Ultrasonic Distance Meter

Measure distance with an HC-SR04 and show it on a 16×2 LCD.

View project →
555 Timer LED Flasher — main component

555 Timer LED Flasher

A blinking light with no code — just a 555, resistors and a capacitor.

View project →
RFID Door Lock — main component

RFID Door Lock

Open a latch with a servo when an authorised card is scanned.

View project →
Obstacle-Avoiding Robot Car — main component

Obstacle-Avoiding Robot Car

A two-wheel robot that drives forward and turns away from obstacles.

View project →
WiFi Home Automation Switch — main component

WiFi Home Automation Switch

Switch four appliances from a phone or browser using an ESP32.

View project →
Motion-Activated Night Light — main component

Motion-Activated Night Light

Switch a light on automatically when a PIR sensor detects movement.

View project →
Arduino Traffic Light with Pedestrian Button — main component

Arduino Traffic Light with Pedestrian Button

Red, yellow and green LEDs cycle on a timer; a button requests a crossing.

View project →
OLED Weather Station — main component

OLED Weather Station

Show temperature, humidity and pressure on a small OLED screen.

View project →
Temperature-Controlled Fan — main component

Temperature-Controlled Fan

A fan that speeds up as the temperature rises.

View project →
Bluetooth Controlled Car — main component

Bluetooth Controlled Car

Drive a robot car from your phone.

View project →
Digital Clock with DS3231 — main component

Digital Clock with DS3231

A battery-backed clock on a 4-digit display with set buttons.

View project →
Fire & Gas Alarm — main component

Fire & Gas Alarm

Sound an alarm when a flame or gas/smoke is detected.

View project →
Smart Dustbin — main component

Smart Dustbin

A bin lid that opens automatically when you approach.

View project →
GPS SMS Tracker — main component

GPS SMS Tracker

Text your location on request.

View project →
Digital Thermometer with DS18B20 — main component

Digital Thermometer with DS18B20

Read a DS18B20 one-wire probe and show the temperature on an LCD.

View project →
Keypad Door Lock — main component

Keypad Door Lock

Type a code on a membrane keypad to open a servo latch.

View project →
Rain Alarm — main component

Rain Alarm

Sound a buzzer the moment rain lands on the sensor pad.

View project →
Gas Leak SMS Alert — main component

Gas Leak SMS Alert

Send an SMS when the MQ-2 detects gas or smoke.

View project →
Line Follower Robot — main component

Line Follower Robot

A robot that follows a black line on the floor using an 8-sensor bar.

View project →
Servo Robotic Arm Controller — main component

Servo Robotic Arm Controller

Drive a 4-axis acrylic arm with a joystick through a PCA9685 driver.

View project →
Automatic Pet Feeder — main component

Automatic Pet Feeder

Open a servo gate on a schedule to drop food into a bowl.

View project →
Water Tank Level Monitor — main component

Water Tank Level Monitor

Show the tank level on an LCD and beep when it is nearly full.

View project →
WS2812B Mood Lamp — main component

WS2812B Mood Lamp

A colour-changing lamp from a 24-LED ring with smooth fades.

View project →
Digital Dice with 7-Segment Displays — main component

Digital Dice with 7-Segment Displays

Press a button and two dice faces appear — no microcontroller needed, just a 555 timer and counters.

View project →
Remote-Controlled Gate Lock — main component

Remote-Controlled Gate Lock

Open a solenoid gate lock from a 433 MHz keyfob.

View project →
Arduino Voltmeter with LCD — main component

Arduino Voltmeter with LCD

Measure 0–30 V on an analog pin and display it on an LCD.

View project →
DIY Power Bank — main component

DIY Power Bank

Charge a phone from an 18650 cell with a charger board and boost converter.

View project →
Bicycle Brake Light — main component

Bicycle Brake Light

A tail light that flares bright when the bike decelerates.

View project →
pH Monitor for Hydroponics — main component

pH Monitor for Hydroponics

Measure nutrient-solution pH and warn when it drifts out of range.

View project →
Motor Tachometer — main component

Motor Tachometer

Measure motor speed in RPM with a slotted disc and photo-interrupter.

View project →
Measured Irrigation with Flow Meter — main component

Measured Irrigation with Flow Meter

Water a garden bed by the litre using a flow sensor and solenoid valve.

View project →

Building One of These?

Add the products you need to your quote and send it to us on WhatsApp