Flashlight Modding and DIY Parts
Featured Mods A selection of incredible mods by talented BLF members LED Testing Share your detailed tests of LED models here
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QReciprocity42's flashlight theory page
This is a compilation of various material I find useful for understanding the theoretical foundations of a flashlight’s function. Some of these pages are not on the mainstream radar and difficult to search for, hence thi… |
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14 | 303 | October 26, 2026 |
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Quick Guide to Popular LEDS - UPDATED FOR 2024
This list is meant to be a quick general guide to LEDs that are currently of interest in the world of flashlights. Information comes from a mix of specsheets, tests here on BLF, and experience using these emitters. *Ou… |
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90 | 30264 | February 12, 2025 |
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List of drivers
UPDATE NOV 2026 Hello, i desire to collect info about all the drivers and where we can buy, for help all the modders. Leave a comment for help me if you want! If you click a link and you don’t find what in the list … |
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62 | 9058 | November 5, 2026 |
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Anduril Flashlight Reflash Reference (UPDATED FOR 2024)
Quick compilation of Anduril Flashlights and their firmware reflash procedures. BLF version of an older Reddit post. For more details, visit Unofficial Guide to Updating Anduril Firmware — Unofficial Guide to Updating A… |
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263 | 18231 | April 17, 2026 |
| About the Flashlight Modding and DIY Parts category |
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1 | 2419 | September 30, 2024 |
| Old-Lumens |
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386 | 76395 | February 1, 2023 |
| How to reflow solder an LED emitter on a PCB or MCPCB. |
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286 | 63370 | October 3, 2026 |
| djozz tests |
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58 | 48646 | September 26, 2020 |
| Flashlight Firmware Repository |
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2414 | 343022 | February 28, 2026 |
| Oshpark Projects |
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1810 | 271356 | March 11, 2024 |
| STAR Firmware by JonnyC - Source Code and Explanation |
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1334 | 218058 | April 2, 2017 |
| The BLF DIY Forum First Annual Scratch made light contest - CONTEST IS DONE - WINNERS are Announced! in the OP |
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289 | 72511 | September 18, 2021 |
| The BLF Modding Links Thread. Looking for a mod that's been done at BLF? Try here for a link. |
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20 | 28576 | April 2, 2023 |
| How To Build a Flashlight With Perfect Modes (picture heavy) |
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865 | 384388 | January 31, 2022 |
| FWAA mod success! AT1616-Mosfet & RGB |
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0 | 12 | November 8, 2026 |
| The Unofficial DongDongHai(DDH) info thread and the Dongers lounge ;) |
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738 | 17075 | November 8, 2026 |
| What did you mod today? |
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15327 | 1564051 | November 8, 2026 |
| How efficient are our favorite LEDs? |
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0 | 134 | November 7, 2026 |
| Simulating extreme throwers with mirrored sunlight |
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21 | 227 | November 7, 2026 |
| FWAA modernization + HT35 swap |
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8 | 191 | November 7, 2026 |
| P60 Malkoff build - Driver Questions |
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31 | 444 | November 7, 2026 |
| Let me give you a reason to buy a small CNC! |
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8 | 388 | November 5, 2026 |
| What did you BREAK today? |
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231 | 27093 | November 5, 2026 |
| Convoy S21A/M21B Spacer |
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6 | 121 | November 4, 2026 |
| BLF A6 modernization mod? Am I doing this right? |
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32 | 522 | November 4, 2026 |
| Anduril ... 2? |
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2165 | 171191 | November 3, 2026 |
| Convoy L21B OP reflector SFT60 6500K and luminous tape. |
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18 | 239 | November 2, 2026 |
| F150R 4000k in M21K Opple LM 4 Readings |
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25 | 936 | November 2, 2026 |
| Duv minus spray |
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4 | 145 | October 31, 2026 |
| "The LOUDENER" 4.66 km ANSI, 230mm fresnel mod for Convoy C8+/M21A |
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35 | 2306 | October 31, 2026 |