DIYgh Tech Store
Showing 1–15 of 69 results
0.96 Inch OLED Display Module (Blue) | I2C Interface 128×64 Pixel
Sharp, Bright, and Compact. This 0.96-inch OLED screen delivers incredibly crisp blue text on a black background. Unlike standard LCDs, it doesn't need a backlight, making it thinner and more energy-efficient. It uses the I2C interface, so you only need 2 wires to control it!
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Resolution: 128 x 64 Pixels.
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Color: Blue Text on Black Background.
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Interface: I2C (Only 4 pins).
- Controller: SSD1306 (Standard Library).
- Best For: Smart Watches, Weather Stations, and Battery Monitors.
1-Channel 12V Relay Module | For Car Electronics & Solar Projects
The standard relay for 12V systems. Unlike the standard 5V Arduino relay, this module is designed to run directly on 12V power. It is perfect for automotive projects, car security systems, and solar setups where only 12V is available.
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Coil Voltage: 12V DC.
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Trigger: Low Level (Connect Signal to GND to switch ON).
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Max Load: 250V AC / 10A.
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Best For: Car Alarms, Central Locks, Horns, and Solar Inverters.
1-Channel 5V Relay Module | Low Level Trigger for Arduino
Control high voltage safely. This single-channel relay allows your Arduino to switch high-power devices like light bulbs, water pumps, or fans. It isolates your microcontroller from the high voltage using an internal switch.
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Trigger: Low Level (Connect Signal to GND to turn ON).
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Max Load: 250V AC / 10A.
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Indicators: Red Power LED + Green Status LED.
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Best For: Smart Lamps, Fan Control, and Simple Automation.
1.3 Inch OLED Display Module (Blue) | I2C SH1106 Screen 128×64
Bigger, clearer, and easier to read. The 1.3-inch OLED gives you 35% more screen area than the standard 0.96-inch version. It features the exact same 128x64 resolution but with larger pixels for better visibility from a distance.
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Size: 1.3 Inch (Diagonal).
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Controller: SH1106 (Requires specific library setting).
- Interface: I2C (4 Pins).
- Best For: Digital Dashboards, Smart Meters, and Menus.
16-in-1 Sensor Module Kit for Arduino, ESP32 & Raspberry Pi
Expand your project possibilities instantly. This value-packed kit contains 16 of the most popular sensors for home automation and robotics. Instead of buying modules individually, get everything you need in one box.
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Includes: DHT11 Temperature, Relay, Ultrasonic, Motion Sensor, and 12 more!
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Compatibility: Works perfectly with Arduino Uno, Mega, Nano, and Raspberry Pi.
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Perfect For: Learning how to read data and control devices.
16×2 LCD Display Module (Blue Backlight) – HD44780 Arduino Compatible
The classic 1602 Character LCD provides a bright 16-character by 2-line display, essential for user interfaces in electronics projects.
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Display: 16 Characters x 2 Lines
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Color: White Text on Blue Background
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Controller: HD44780 (Standard Library Support)
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Voltage: 5V DC
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Interface: Parallel (4-bit or 8-bit)
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Backlight: LED
16×2 LCD Display Module (Yellow) – High-Contrast Text
20A Intelligent LCD Solar Charge Controller
20×4 LCD Display Module (Blue Backlight) | 2004A Character Screen
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Size: 20 Characters x 4 Lines.
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Display: White Text on Blue Background.
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Controller: HD44780 (Standard Industry Chip).
- Best For: Weather Stations, 3D Printers, and Advanced Menus.
3×4 Matrix Membrane Keypad Module | 12 Button Numeric Pad
A simple and reliable input device for Arduino and DIY electronics projects. This flexible 12-key keypad provides only the essential keys (0–9, *, #)—no letters—making it ideal for numeric-only applications. It comes with a peel-and-stick adhesive backing for quick mounting on enclosures, panels, or doors.
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Keys: 12 (Telephone-style layout)
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Interface: 7 pins (2.54 mm standard pitch)
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Mounting: Self-adhesive sticker backing
- Best for: Electronic door locks, vending machines, access control systems, phone dialers, and keypad-based Arduino projects.
4-Channel 5V Relay Module | Optocoupler Isolated for Arduino
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Channels: 4 Independent Relays.
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Trigger: Low Level (Connect Input to GND to switch ON).
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Load Capacity: 10A @ 250V AC / 10A @ 30V DC.
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Best For: Home Automation, Smart Switches, and Industrial Control.
433MHz RF Transmitter & Receiver Kit | Wireless Module for Arduino
Cut the cord. Go wireless. This kit includes one Transmitter and one Receiver. It is the simplest and most affordable way to send data wirelessly between two Arduinos up to 100 meters (with antenna).
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Frequency: 433MHz
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Includes: 1x Transmitter (Square), 1x Receiver (Rectangle)
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Modulation: ASK (Amplitude Shift Keying)
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Best For: Remote control cars, weather stations, and wireless switches.
4WD Smart Robot Car Chassis Kit (ZK-4WD) | Double Layer Acrylic Platform
Build a robot that goes anywhere. The ZK-4WD Chassis gives you 4 powerful motors for better traction and speed than the standard 2-wheel robots. Perfect for line followers, obstacle avoidance robots, and final year engineering projects.
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Drive: 4-Wheel Drive (4 Motors included).
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Chassis: Double-layer Acrylic (Plenty of space for batteries & sensors).
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Includes: 4 Motors, 4 Wheels, Chassis Plates, Screws & Switch.
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Best For: Arduino & ESP32 Robot Projects.
4×4 Matrix Membrane Keypad | 16 Button Keypad Module
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Keys: 16 (0-9, A-D, *, #)
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Mounting: Self-Adhesive Backing (Peel & Stick)
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Interface: 8 Pins (Standard 2.54mm header)
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Best For: Electronic Door Locks, Calculators, and Attendance Systems.
5V Active Buzzer Module for Arduino (Alarm/Beep) | KY-012
The loudest and easiest way to add sound to your project. This Active Buzzer module creates a loud beep as soon as you give it power. Unlike "Passive" buzzers that need complex code to make sound, this one is simple: High = Beep, Low = Silent.
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Type: Active (Internal Oscillator).
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Voltage: 3.3V - 5V DC.
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Sound: Loud continuous tone (approx 2.5kHz).
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Best For: Alarms, Timers, and Button Feedback.