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Servo tester

hammadurrehman2006·kicad_lab·04_servo_tester/servo_tester.kicad_pcb

Servo tester PCB layout, top view — open source board by hammadurrehman2006

About the Servo tester PCB

Servo tester is an open source PCB design by hammadurrehman2006, published on GitHub. It is a 2-layer board measuring 32.7 × 29.6 mm, with 10 components from 10 distinct parts.

Other key parts include the NE555P. By type, the board carries 3 resistors, 2 connectors, 2 diodes, 1 IC and 1 capacitor.

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

From the project

A collection of KiCad PCB designs developed during my Electronic Engineering degree (2024-28). Includes university projects, personal experiments, and custom components—featuring schematics, layouts, Gerber files, and documentation. Open-source hardware for education, collaboration, and real-world manufacturing.

This is Day 3 of my 10-Day PCB Design Challenge, where I design PCB projects starting from simple circuits and gradually moving towards more complex ones.

For today’s design, I created a 2-layer Servo Tester PCB using KiCad. This circuit is based on a 555 Timer IC and a potentiometer to generate PWM signals for testing servo motors.

Servo tester, from the project README
From the project README

Main components on the Servo tester

NE555P

Servo tester bill of materials (BOM)

10 components, 10 distinct parts.

QtyPartRefs
1
NE555P
U1
1
Conn_01x02_Pin
J1
1
Conn_01x03_Pin
J2
1
R_Potentiometer
100K
1
1N4148
D1
1
LED
D2
1
22nf
C1
1
3M3
R1
1
56k
R2
1
1k
R3

Servo tester design files

The KiCad project lives in the hammadurrehman2006/kicad_lab repository on GitHub; these links point at the commit this page was built from.

Servo tester: common questions

How big is the Servo tester PCB?

The Servo tester measures 32.7 × 29.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Servo tester?

10 components, from 10 distinct parts. The full bill of materials is listed on this page.

Where can I download the Servo tester design files?

From the hammadurrehman2006/kicad_lab repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Servo tester design in my own project?

The repository has no license, so all rights stay with hammadurrehman2006. Use it as a reference, and ask the author before reusing the design.

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