Motion activated night light
About the Motion activated night light PCB
Motion activated night light is an open source PCB design by Norbixix, published on GitHub. It is a 2-layer board measuring 77.5 × 45 mm, with 22 components from 13 distinct parts.
By type, the board carries 7 resistors, 5 diodes, 4 capacitors, 2 connectors, 1 transistor and 1 fuse.
From the project
Hardware-only PIR-triggered PCB night light
A compact PCB night light triggered by a plug-in HC-SR501 PIR motion sensor module. The board is powered from a 12 V DC wall adapter through a 5.5/2.5 mm barrel jack, includes a resettable PTC fuse, a physical ON/OFF switch, a 12 V to 5 V DC/DC converter for the PIR module, and five LED branches switched by a logic-level N-MOSFET.
The assembled board with the plug-in HC-SR501 PIR module:
Motion activated night light bill of materials (BOM)
22 components, 13 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AO3400A Alpha & Omega Semiconductor | SOT95P280X125-3N | Q1 |
| 1 | PC-GK2.5/SMD PC-GK2.5_SMD NINIGI | PCGK25SMD | J1 |
| 1 | Conn_01x03_Socket Connfly | PinSocket_1x03_P2.54mm_Vertical | J2 |
| 1 | 1812L050/30PR 1812L050_30PR Littelfuse | 1812L010DR | F1 |
| 1 | ROF-78E5.0-0.5SMD-R RECOM | ROF78E5005SMDR | PS1 |
| 1 | CL-SB-22A-01T Nidec Copal | CLSB22A01T | S1 |
| 5 | OSM54P57E1A Optosupply | LED_D5.0mm | D1, D2, D3, D4, D5 |
| 1 | CL32B106KBJNNNE 10uF Samsung | C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | C1 |
| 1 | CL31B104KBCNNNC 100nF Samsung | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C2 |
| 2 | CL31B105KBHNNNE 1uF Samsung | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C3, C4 |
| 5 | RC1206FR-07680RL 680 Yageo | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1, R2, R3, R4, R5 |
| 1 | RC1206FR-07100RL 100 Yageo | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R8 |
| 1 | RC1206FR-07100KL 100k Yageo | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R9 |
Motion activated night light design files
The KiCad project lives in the Norbixix/motion-activated-night-light repository on GitHub; these links point at the commit this page was built from.
Motion activated night light: common questions
How big is the Motion activated night light PCB?
The Motion activated night light measures 77.5 × 45 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Motion activated night light?
22 components, from 13 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 Motion activated night light design files?
From the Norbixix/motion-activated-night-light repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Motion activated night light design in my own project?
The repository has no license, so all rights stay with Norbixix. Use it as a reference, and ask the author before reusing the design.