Led timer
About the Led timer PCB
Led timer is an open source PCB design by AYUSH-pro-grammer, published on GitHub. It is a 2-layer board measuring 45.4 × 41 mm, with 18 components from 8 distinct parts.
Other key parts include the NE555P and 4017. By type, the board carries 10 diodes, 2 ICs, 2 capacitors, 2 resistors and 1 connector.
From the project
LED chase ("blinky") circuit created for beginners in Stasis.
LED chase ("blinky") circuit created for beginners in Stasis.
NE555 timer as a pulse generator CD4017 decade counter to control outputs Several LEDs as indicators
Pulses generated by the 555 timer trigger the 4017, which switches LEDs to form a running light.
Speed control using potentiometer Easy and newbie-friendly design Use of popular parts Perfect for digital & analog electronics basics education
Main components on the Led timer
Led timer bill of materials (BOM)
18 components, 8 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | NE555P | DIP-8_W7.62mm | U1 |
| 1 | 4017 | DIP-16_W7.62mm | U2 |
| 1 | Conn_01x02_Socket | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | R_Potentiometer | Potentiometer_Vishay_T93YA_Vertical | RV1 |
| 10 | LED | LED_D3.0mm | D1, D2, D3, D4, D5, D6, D7, D8 +2 |
| 1 | C_Polarized | CP_Radial_D5.0mm_P2.00mm | C1 |
| 1 | C | C_Disc_D7.5mm_W2.5mm_P5.00mm | C2 |
| 2 | R | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2 |
Led timer design files
The KiCad project lives in the AYUSH-pro-grammer/led-timer repository on GitHub; these links point at the commit this page was built from.
- Layoutkicad /StarLight.kicad_pcb
- Schematickicad /StarLight.kicad_sch
- BOMbom.csv
Led timer: common questions
How big is the Led timer PCB?
The Led timer measures 45.4 × 41 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Led timer?
18 components, from 8 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 Led timer design files?
From the AYUSH-pro-grammer/led-timer 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 Led timer design in my own project?
The repository has no license, so all rights stay with AYUSH-pro-grammer. Use it as a reference, and ask the author before reusing the design.