Linearsource mod

jonnor·projects·currentsource/linearsource_mod/linearsource_mod.kicad_pcb

Linearsource mod PCB layout, top view — open source board by jonnor

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About the Linearsource mod PCB

Linearsource mod is an open source PCB design by jonnor, published on GitHub. It is a 2-layer board measuring 45.7 × 22.2 mm, with 17 components from 13 distinct parts.

Other key parts include the LM358. By type, the board carries 10 resistors, 2 transistors, 2 connectors, 2 capacitors and 1 IC.

It belongs with the robotics & motion designs in this gallery.

From the project

Small projects not worthy of dedicated repositories

Useful for driving LEDs, laser diodes, or other circuits which demand a current source (and not a voltage source)- like when performing electroplating, electroetching or electroforming.

Designed for easy reproduction in a fablab or makerspace, with a CNC-millable single-layer PCB and no special components. The board has 0.1" single-inline header-style connectors, and can be used directly in a breadboard, used as a daughterboard, or used standalone with wires.

Main components on the Linearsource mod

Linearsource mod bill of materials (BOM)

17 components, 13 distinct parts.

Qty	Part	Footprint	Refs
1	LM358	SOIC-8-N	U1
1	Q_NMOS_GDS	TO-220_Horizontal	Q1
1	BC849	SOT-323	Q2
1	CONN_01X05	Pin_Header_Edge_1x05_Pitch2.54mm	P1
1	CONN_01X04	Pin_Header_Edge_1x04_Pitch2.54mm	P2
2	1uF	C_1206	C1, C2
1	12k	R_1206	R1
2	10k	R_1206	R2, R6
3	100k	R_1206	R3, R8, R10
1	120	R_1206	R4
1	0.1	R_2512	R5
1	1k	R_1206	R7
1	100	R_1206	R9

Linearsource mod design files

The KiCad project lives in the jonnor/projects repository on GitHub; these links point at the commit this page was built from.

Layoutcurrentsource/linearsource_mod/linearsource_mod.kicad_pcb

Linearsource mod: common questions

How big is the Linearsource mod PCB?

The Linearsource mod measures 45.7 × 22.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Linearsource mod?

17 components, from 13 distinct parts. The full bill of materials is listed on this page.

Where can I download the Linearsource mod design files?

From the jonnor/projects repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Linearsource mod design in my own project?

The repository has no license, so all rights stay with jonnor. Use it as a reference, and ask the author before reusing the design.

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