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15mm FET Driver DIY Parts Kit - Single-Sided LFPAK

15mm FET Driver DIY Parts Kit - Single-Sided LFPAK
Product Code: FET-DIY-15MM
Availability: 26
Price: $4.55

2 or more $4.00
5 or more $3.50
10 or more $3.25


Available Options


* Firmware:

* Turbo Timer:

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This kit contains all of the parts, except for the PCB itself, that you need to assemble your own single-sided MTN-15DD 15mm FET driver.  You can get the 15mm MTN-15DD PCB here. 

Each Kit Includes:

  • Low-Resistance N-Channel LFPAK33 MOSFET
  • Pre-Programmed Attiny13a MCU 
  • 10uF X6S MLCC Ceramic Capacitor
  • 1uF X7R Ceramic Capacitor "Off-Time"
  • 4.7k Resistor
  • 19.1k Resistor
  • SOD-323 Diode
  • Gold-Plated Spring
  • Small Length of Solder Wick 
  • Pair of 22 AWG Silicone Wires

Standard Clicky Firmware Options

  • Standard FET with Memory.  This is the most popular option.  Equipped with off-time memory, mode changes are intuitive and the light always picks right back up where you left off. 
    • Mode Levels:  Moonlight (Solder #2 to ground) - 2% - 5% - 20% - 50% - 100%
  • Standard FET with No Memory.  This is the second most popular option.  Equipped with off-time no memory, the light will always start on the first mode level after being turned off.  
  • Custom Mode Levels.  Choose your own mode levels.  For this option, please enter the following information in your checkout comments:  
    • 1.  Number of light levels: 1-6 (plus moonlight if desired)
    • 2.  Approximate PWM levels of each mode:  Example: (1) 2% - (2) 15% - (3) 40% - (4) - 100%
    • 3.  Memory or No Memory

Clicky Pin Functions.  Soldering these numbered pins to ground will enable these features:

  • enables moonlight mode.
  • reverses mode order from the standard ascending (low to high) to descending (high to low).

Standard Clicky Firmware Low Voltage Protection.  At around 3V under load, the light will blink three times then step down the power level.  At around 2.6V under load the light will blink ten times then shut off.  This system gives you ample warning and attempts to extend runtime before turning the light off. 


Universal guppydrv Clicky Firmware Option

This firmware allows the ultimate in user customizability, with up to 24 built-in mode groups, that the user can select via a series of button presses and a user programmable turbo timer that will automatically step the power down to 50% after the set time is hit (see below for instructions).  

 

Low voltage protection:  With 1S cells (non-zener mod) the light will begin to step down output at around 2.8v under load.  The light will not shut completely off, but will continue to run at a moonlight level.  

 

Rev.1 User Selectable Groups:

  1. 1% - 25% - 100% | Memory
  2. 1% - 25% - 100% | No Memory
  3. 100% - 25% - 1% | No Memory
  4. 1% - 25% - 100% - Strobe | No Memory
  5. 1% - 25% - 100% - Strobe | Memory
  6. 10% - 100% | Memory
  7. 10% - 100% | No Memory
  8. 100% - 10% | No Memory
  9. 100%
  10. 100% - Strobe | No Memory
  11. Strobe - 100% | No Memory
  12. ML - 2% - 25% - 100% | Memory
  13. ML - 2% - 25% - 100% - Strobe - Beacon | No Memory
  14. ML - 100% | No Memory
  15. 100% - ML | No Memory
  16. ML - 100% | Memory
  17. ML - 1% - 5% - 15% - 40% - 100% | Memory
  18. ML - 1% - 5% - 15% - 40% - 100% | No Memory
  19. 100% - 40% - 15% - 5% - 1% - ML | No Memory
  20. 100% - 40% - 15% - 5% - 1% - ML | Memory
  21. 1% - 5% - 15% - 40% - 100% | Memory
  22. 1% - 5% - 15% - 40% - 100% | No Memory
  23. 100% - 40% - 15% - 5% - 1% | No Memory
  24. 100% - 40% - 15% - 5% - 1% | Memory

Rev.2 User Selectable Groups:

  1. 100% Only
  2. 5% - 100% | Memory
  3. 5% - 100% | No Memory
  4. 30% - 100% | Memory
  5. 30% - 100% | No Memory
  6. 70% - 100% | Memory
  7. 70% - 100% | No Memory
  8. ML - 30% - 100% | Memory
  9. ML - 30% - 100% | No Memory
  10. 100% - 30% - ML | No Memory
  11. ML - 5% - 15% - 50% - 70% - 100% | Memory
  12. ML - 5% - 15% - 50% - 70% - 100% | No Memory
  13. 100% - 70% - 50% - 15% - 5% - ML | No Memory
  14. Strobe Only
  15. 100% - Strobe | No Memory
  16. Strobe - 100% | No Memory
  17. 100% - 1Hz Blink | No Memory
  18. ML - 5% - 30% - 70% - 100% - Strobe - 1Hz Blink | No Memory
  19. 100% - 70% - 30% - 5% - ML - Strobe - 1Hz Blink | No Memory
  20. 5% - 30% - 100% - 1Hz Blink - 3Hz Blink - Strobe - Beacon | No Memory

Guppydrv ‚ÄčInstructions

To switch mode groups: rapidly tap the switch 8 times, the light will then enter the programming mode and begin to flash.  With the light in programming mode, tap the switch the same number of times as your desired mode group.  The light will blink and your mode group will be memorized. 

 

Example: To select mode group 3, tap the switch 8 times quickly to enter programming mode.  As soon as the light enters programming mode and beings flashing, tap the switch three times.  The light will blink to recognize the mode group change.

 

To set the turbo timer: rapidly tap the switch 8 times, the light will then enter the programming mode and begin to flash.  With the light in programming mode, tap the switch 30 times to enter the turbo timer set mode.  The light will then switch to 100% power.  When the light is at the desired temperature for the turbo step down, turn the light off.  The turbo timer will then be set.  The turbo timer steps the light down to 50% regardless of the mode group set.  

 

To lock the mode groups: Solder Pin 5 to ground.  

 


Electronic Switch Firmware Options

  • Standard FET Electronic Switch.  This is for use with an external electronic switch, where the driver is always powered, not for use with a standard clicky switch where power is cut by the switch to change modes.  This option uses STAR momentary firmware, which allows you to start on either the lowest or highest mode from off with either a short tap or long press of the switch.  
    • One side of the switch is soldered to ground, the other to the pre-tinned switch pad on the driver (connected to pin 2).
  • Custom Mode Levels.  Choose your own mode levels.  For this option, please enter the following information in your checkout comments:  
    • 1.  Number of light levels: 1-6 (plus moonlight if desired)
    • 2.  Approximate PWM levels of each mode:  Example: (1) 2% - (2) 15% - (3) 40% - (4) - 100%
  • Not recommended for use with the Zener Mod option (see below).

‚ÄčStandard Electronic Switch Firmware Low Voltage Protection.  At around 3V under load, the light will step down the power level.  At around 2.6V under load the light will shut off.  You can override any low voltage shut down by holding down the electronic switch button.  This system gives you ample warning and attempts to extend runtime before turning the light off.  


Turbo Timer (N/A for guppydrv FW)

A turbo timer may help reduce the chance of overheating.  Available Options:

  • No Timer
  • 30 Seconds
  • 60 Seconds
  • 90 Seconds
  • 120 Seconds
  • 180 Seconds

These PCBs and firmware are the result of the efforts of many of the members of the BLF community.  For more information, check out this thread.

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