Explore HAZI TECH projects across automotive lighting, programmable LEDs, audio visualization, RC builds and DIY electronics. Discover the designs, code and technical resources behind our builds, from early experiments to advanced programmable systems.
Arduino Nano + WS2812B system with park/DRL, brake, reverse, hazard and dynamic sequential turn-light functions.
Upgraded V2 with animated parking-light ON/OFF, brake, reverse and sequential indicators.
Audi Q7-inspired V3 with two LED strips, parking, brake, reverse and dynamic indicators.
Multi-mode tail-light project combining normal vehicle lighting functions with scanner and VIP-flasher effects.
Arduino Nano bike tail light with parking, brake, sequential indicators and hazard lights.
Arduino Nano and 8 × 8 WS2812B matrix with animated parking, brake, indicators, hazards and full-white search light.
Three-mode 8 × 8 LED matrix bike tail light with Knight Rider scanner, VIP flasher and mode memory.
A realistic addressable LED scanner project built around an Arduino Nano with only three connections to the WS2812B strip.
Five editable scanner patterns with fading tails, built using an Arduino Nano and a three-wire WS2812B LED strip.
Ten editable police, VIP and emergency-style LED flashing patterns using an Arduino Nano and WS2812B strip.
Add momentary push-button pattern switching to Knight Rider and Police/VIP LED light systems.
Customize scanner colour and LED count with simple Arduino code edits; smooth Knight Rider fading-tail effect.
Ford Mustang-inspired scanner with five patterns and customizable colour and LED count.
Adjustable front DRL and dynamic sequential indicator system using Arduino Nano and WS2812B addressable LEDs.
Animated vehicle-door welcome and safety lighting using an Arduino Nano, WS2812B strip and 12V-to-5V regulation.
Arduino Nano + WS2812B stereo VU meter with pattern, colour, brightness and audio-sensitivity controls, plus support for a Bluetooth audio upgrade.
Bluetooth stereo RGB VU meter with pattern, colour, brightness and audio-sensitivity controls using Arduino Nano and WS2812B.
Turn the Arduino RGB stereo VU meter into a music-reactive corner lamp with colorful audio visualization effects.
32-band audio spectrum analyzer using an Arduino Nano and MAX7219 4× LED dot-matrix panel, with four display patterns and EEPROM power-off memory.
Six-pattern DIY audio spectrum analyzer using Arduino and a 1602 LCD display.
Part 3 of the compact pixel LED controller build series using an ATtiny85 and addressable WS2812B LEDs.
A Wi‑Fi controlled pixel-lighting project for smart Christmas and decorative lighting, with mobile-app colour and pattern control.
ATtiny85-based RC truck police/VIP LED flasher with 9 selectable patterns, push-button control, auto-pattern mode and saved pattern memory.
An ATtiny85 8-channel LED chaser that expands the available outputs without shift registers, with six editable and reorderable lighting patterns.
ESP32-based 14-channel Knight Rider LED chaser with a fading tail, seven selectable patterns, speed control and free project code.
Part 2: add Bluetooth control to the ESP32 Knight Rider LED chaser without additional hardware, with a fading tail and nine patterns.
ATtiny85-powered animated LED heart keychain project with compact electronics and multiple light effects.
Part 1 of the HAZI TECH 1/14-scale Arduino RC Cybertruck build: making the angular body from PVC foam board using downloadable plans.
Part 2 of the Arduino RC Tesla Cybertruck build, covering chassis construction, front steering, rear suspension and final body/chassis assembly.
Part 3 of the Arduino RC Cybertruck build: NRF24L01 wireless electronics, proportional steering, speed and direction control.
Part 4 of the Cybertruck build: converting the Arduino/NRF24L01 transmitter into a custom pistol-grip RC controller.
Learn how to program an ATtiny85 microcontroller using an Arduino Uno.
A DIY ATtiny85 Arduino shield build tutorial.
Learn how to install Arduino IDE 2.1.1 / 2.2.1 on Windows 11, install CP2102 drivers, add ESP32 board support, and upload a test program to an ESP32 development board.
Learn how to install libraries in Arduino IDE 2.1.1 / 2.2.1 and continue using older libraries, with the FastLED Arduino library as an example.
