4 Transistor Solar Light
About the 4 Transistor Solar Light PCB
4 Transistor Solar Light is an open source PCB design by Martin1995, published on GitHub. It is a 2-layer board measuring 59.7 × 43.7 mm, with 24 components from 15 distinct parts.
By type, the board carries 7 resistors, 6 connectors, 4 transistors, 4 capacitors, 2 diodes and 1 inductor.
It belongs with the power & battery designs in this gallery.
From the project
KiCad Repo with Open Hardware Schematics and Board Files for building of small garden solar lights
4 Transistor Solar Light bill of materials (BOM)
24 components, 15 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BC557 | TO-92_Molded_Narrow | Q1 |
| 3 | BC547 | TO-92_Molded_Narrow | Q2, Q3, Q4 |
| 6 | Conn_01x01 | Pin_Header_Straight_1x01_Pitch2.00mm | J1, J2, J3, J4, J5, J6 |
| 2 | 4N5819 | D_A-405_P7.62mm_Horizontal | D1, D2 |
| 1 | 150µH | L_Axial_L5.3mm_D2.2mm_P7.62mm_Horizontal_Vishay_IM-1 | L1 |
| 1 | 472 | C_Disc_D3.0mm_W1.6mm_P2.50mm | C1 |
| 1 | 681 | C_Disc_D3.0mm_W1.6mm_P2.50mm | C2 |
| 1 | 50v10µF | CP_Radial_D5.0mm_P2.50mm | C3 |
| 1 | 25v10µF | CP_Radial_D5.0mm_P2.50mm | C4 |
| 2 | R | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1, R4 |
| 1 | 390k | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R2 |
| 1 | 200k | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R3 |
| 1 | 20k | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R5 |
| 1 | 100k | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R6 |
| 1 | 2k | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R7 |
4 Transistor Solar Light design files
The KiCad project lives in the Martin1995/4-Transistor-Solar-Light repository on GitHub; these links point at the commit this page was built from.
4 Transistor Solar Light: common questions
How big is the 4 Transistor Solar Light PCB?
The 4 Transistor Solar Light measures 59.7 × 43.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 4 Transistor Solar Light?
24 components, from 15 distinct parts. The full bill of materials is listed on this page.
Where can I download the 4 Transistor Solar Light design files?
From the Martin1995/4-Transistor-Solar-Light repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the 4 Transistor Solar Light design in my own project?
The repository has no license, so all rights stay with Martin1995. Use it as a reference, and ask the author before reusing the design.
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