2 layers100.1 × 100.1 mm
2 layers52.4 × 78.4 mm
StepperTester
synthetic65535/StepperTesterStepper Motor Tester
- Size
- 52.4 × 78.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 29
- Nets
- 22
- Pads
- 96
- Tracks, vias
- 151, 10
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 25 Mar 2022
- Updated
- 25 Mar 2022
Overview
StepperTester is an open-source printed circuit board by synthetic65535, from the synthetic65535/StepperTester repository on GitHub. It is a 2-layer board of 52.4 × 78.4 mm with 29 parts on 22 nets, routed with 151 tracks and 10 vias.
It is built around the NE555, PN2222A and TL431. Its parts include 9 capacitors, 7 resistors, 4 connectors, 2 diodes and 2 switches. It belongs with the robots and motor control boards of this library.
Main components
3
NE555
SOP-8-20℃~+70℃ 1 1.5mA 200mA 4.5V~15V Adjustable duty cycle oscillation、Reset function、Duty cycle stabilization SOP-8 555 Timers / Counters ROHSGRTimers / Counters
PN2222A
TO-92-3-55℃~+150℃ 1 NPN 1A 300MHz 300mV 40V 625mW NPN TO-92-3 Bipolar (BJT) ROHSNTE ElectronicsBipolar (BJT)
TL431
SOT-23-20℃~+85℃ 150mA 1mA 2.5V~36V 50ppm/℃ Adjustable Parallel Temperature compensation control ±1% SOT-23 Voltage Reference ROHSGuangdong HottechVoltage Reference
README
readme.mdStepperTester
Simple stepper motor tester.
- Based on pololu stepper driver and 555 timer
- No microcontrollers
- Only through-hole components
- Single sided PCB, DIY-frendly.
- IDE: KiCad 4.0.7
Parts
29| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 10k | MyFootprints:RES | R3, R4, R5, R6, R7 |
| 4 | 100nF | MyFootprints:CAP | C1, C5, C6, C8 |
| 2 | 1000uF | MyFootprints:Capacitor_THT_Radial_D8_L16.5_P3.5_Horizontal | C7, C9 |
| 2 | 1k | MyFootprints:RES | R1, R2 |
| 2 | Conn_02x03_Odd_Even | Pin_Headers:Pin_Header_Straight_2x03_Pitch2.54mm | J2, J3 |
| 2 | SW_Push | Buttons_Switches_THT:SW_PUSH-12mm | SW1, SW2 |
| 1 | 100uF | Capacitors_THT:CP_Radial_D6.3mm_P2.50mm | C2 |
| 1 | 10k | Potentiometers:Potentiometer_WirePads | RV1 |
| 1 | 10uF | Capacitors_THT:CP_Radial_D6.3mm_P2.50mm | C3 |
| 1 | 1uF | MyFootprints:CAP | C4 |
| 1 | Conn_01x04 | Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm | J4 |
| 1 | DS-025A | MyFootprints:DS-025A | J1 |
| 1 | D_Schottky_ALT | MyFootprints:DO-41 | D1 |
| 1 | Driver_Motor:Pololu_Breakout_A4988 | Modules:Pololu_Breakout-16_15.2x20.3mm | A1 |
| 1 | NE555 | Housings_DIP:DIP-8_W7.62mm_LongPads | U1 |
| 1 | PN2222A | MyFootprints:Q_EBC | Q1 |
| 1 | TL431 | MyFootprints:TL431 | D2 |
The 28 most common of 29 parts.
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Questions
How big is the StepperTester PCB?
It measures 52.4 × 78.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the StepperTester use?
29 parts, built around the NE555, PN2222A and TL431. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the StepperTester KiCad files?
From the synthetic65535/StepperTester repository on GitHub, at the commit this page was made from: the board is StepperTester.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the StepperTester design in my own project?
Its repository states no licence, so its author keeps all rights: ask synthetic65535 before reusing the design.