6XEG
About the 6XEG PCB
6XEG is an open source PCB design by Reisi, published on GitHub under the BSD-2-Clause license. It is a 2-layer board measuring 38 × 20 mm, with 17 components from 10 distinct parts.
By type, the board carries 10 diodes, 5 connectors and 2 resistors.
From the project
The Helen Project is a firmware platform for bicycle lights. It features
The Helen Project is a firmware platform for bicycle lights. It features
- up to 8 modes, each individually configurable - the modes can be split into groups - support for remote control connected over BLE - mode and group configurations with The Helen App - light-to-light connections with mode synchronization
- Helen, an alternative electronic circuit for the Yinding or KD2 headlight cycling lamps - Drake, a multi-purpose PCB, which can be used to build a rear light or a dropper post actuator
6XEG bill of materials (BOM)
17 components, 10 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Conn_02x02_Odd_Even | PinHeader_2x02_P2.00mm_Vertical_SMD | J1 |
| 4 | Conn_01x01 | 1,5x3mm_SMD | J2, J3, J4, J5 |
| 1 | SS34 LED_PAD | LED_Cree-XE-G | D1 |
| 1 | BAV99 LED_PAD | LED_Cree-XE-G | D2 |
| 1 | C72041 LED_PAD | LED_Cree-XE-G | D3 |
| 1 | C2286 LED_PAD | LED_Cree-XE-G | D4 |
| 2 | LED_PAD | LED_Cree-XE-G | D5, D6 |
| 4 | LED | LED_1206_3216Metric | D7, D8, D9, D10 |
| 1 | 1K5 R | R_1206_3216Metric | R1 |
| 1 | 4K7 R | R_1206_3216Metric | R2 |
6XEG design files
The KiCad project lives in the Reisi/The_Helen_Project repository on GitHub; these links point at the commit this page was built from.
6XEG: common questions
How big is the 6XEG PCB?
The 6XEG measures 38 × 20 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 6XEG?
17 components, from 10 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the 6XEG design files?
From the Reisi/The_Helen_Project repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the 6XEG design in my own project?
Yes, under the terms of its BSD-2-Clause license, which Reisi chose for the repository.
