Lightning Controller V1.0
LED Driver Module for Scale Models
1. Overview
Compact LED controller for scale model lighting (spaceships, fighters, custom builds). Provides realistic flicker, brightness, and attack-mode effects. Fits directly inside models or can be mounted in a base.
2. Features
Two controller versions: Idle/Attack and Light/Bright
Plug-and-play with digital or standard LEDs
Multiple effect channels:
Thrusters: NeoPixel-class digital LEDs (flicker effects)
Cockpit / Aux: Steady ON LEDs
Blink Channel: Fixed 50/50 blink
Power input: 5 V (USB) or 6–16 V DC (X5 connector)
Built-in protection: reverse-polarity, over-current, thermal
Small PCB size for hidden integration
3. Hardware Specifications
| Parameter | Value |
|---|---|
| Microcontroller | ATtiny85, 8 KB flash, 512 B SRAM, 512 B EEPROM |
| Available Program Space | ~5.25 KB (bootloader uses ~2.75 KB) |
| Power Input | 5 V (USB) or 6–16 V DC via X5 |
| Regulator Output | 5 V / 150 mA |
| I/O Pins | 5 GPIO (LED control, sensors, jumpers) |
| Indicators | Green Power LED, Red Pin #1 LED |
| Board Size | Idle/Attack: 38 × 19 mm / Light/Bright: 55 × 19 mm |
| Controls | Reset button, jumpers (Idle/Attack), potentiometers (Light/Bright) |
4. Supported LEDs
- Thrusters (digital): WS2812/APA106 NeoPixel-class, 5 mm or 8 mm through-hole
- Thrusters (analog): regular LED with resistor can be connected to the digital output
- Cockpit / Aux (steady): Any standard LED, resistor required
- Blink Channel: Any standard LED, fixed 50/50 duty cycle
5. Operating Modes
Idle/Attack Version
Idle (wings closed): Red flicker, low/medium brightness
Attack (wings open): Magenta flicker, high intensity
Switching: Controlled by Hall sensor (magnet hidden in wing linkage)
Override Jumpers:
IDLE jumper → always red
ATTACK jumper → always magenta
No jumper → auto via Hall sensor if connected
Light/Bright Version
No Hall sensor
R1 Potentiometer: Selects 1 of 8 preset thruster colors
R2 Potentiometer: Adjusts brightness + flicker strength
6. Wiring & Integration
Connectors
Digital LED output (NeoPixels, thrusters)
Blink LED output (fixed 50/50 blink)
Steady LED outputs (cockpit, aux)
Power: Micro-USB (5 V) or X5 header (6–16 V)
➡ Suggestion: diagram showing Blink vs Steady outputs side-by-side for clarity.
Model Integration
Designed to fit 1:18, 1:24, 1:29 models directly
For smaller/larger models: mount in display base
7. Key Benefits
Small footprint for hidden installs
Realistic thruster effects (idle/attack or adjustable color/brightness)
Simple plug-and-play wiring
LED/electronics protection built in
8. Ordering Information
| Version | PCB Size | Features |
|---|---|---|
| Idle/Attack | 38 × 19 mm | Hall sensor mode switching, jumper overrides |
| Light/Bright | 55 × 19 mm | Dual potentiometers for color + brightness/flicker |
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