Lightdetection
About the Lightdetection PCB
Lightdetection is an open source PCB design by wlatif-cmyk, published on GitHub. It is a 2-layer board measuring 100.2 × 92.6 mm, with 8 components from 8 distinct parts.
By type, the board carries 4 resistors, 2 transistors and 1 relay.
It belongs with the sensors and displays & leds designs in this gallery.
From the project
100 days of 100 projects ;)
https://www.tiktok.com/@yappingaddiction
https://www.instagram.com/yappingaddiction/
Every day, I build something small, fun, or weird — and post it on TikTok.
This repo collects the code, notes, and mini-projects from each day.
Follow along as this slowly turns into a chaotic but glorious archive of experiments.
Day 2 — Light meter that runs off of ultrasonic sensor
Lightdetection bill of materials (BOM)
8 components, 8 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BPW40 | LED_D5.0mm_Clear | Q1 |
| 1 | 2N3055 | TO-3 | Q2 |
| 1 | GND | BatteryHolder_TruPower_BH-331P_3xAA | 12V1 |
| 1 | Fujitsu_FTR-LYAA005x | Relay_SPST-NO_Fujitsu_FTR-LYAA005x_FormA_Vertical | K1 |
| 1 | LDR03 | R_LDR_10x8.5mm_P7.6mm_Vertical | R1 |
| 1 | 300 | R_0201_0603Metric | R2 |
| 1 | 5k | R_0201_0603Metric | R3 |
| 1 | 1K | R_0201_0603Metric | R4 |
Lightdetection design files
The KiCad project lives in the wlatif-cmyk/100daysofprojects repository on GitHub; these links point at the commit this page was built from.
Lightdetection: common questions
How big is the Lightdetection PCB?
The Lightdetection measures 100.2 × 92.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Lightdetection?
8 components, from 8 distinct parts. The full bill of materials is listed on this page.
Where can I download the Lightdetection design files?
From the wlatif-cmyk/100daysofprojects repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Lightdetection design in my own project?
The repository has no license, so all rights stay with wlatif-cmyk. Use it as a reference, and ask the author before reusing the design.
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