2 layers
Electronic Throttle Controller
Nomalah/Budget-Racing-Electronics
All electronics for the budget racing vehicle
40 parts
4 layers53.3 × 27.9 mm
All electronics for the budget racing vehicle
- Size
- 53.3 × 27.9 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 72
- Nets
- 35
- Pads
- 166
- Tracks, vias
- 315, 75
- Pours
- 285
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 17 Oct 2024
- Updated
- 21 Apr 2026
Overview
BSPD is an open-source printed circuit board by Nomalah, from the Nomalah/Budget-Racing-Electronics repository on GitHub. It is a 4-layer board of 53.3 × 27.9 mm with 72 parts on 35 nets, routed with 315 tracks and 75 vias.
It is built around the LM339, 3314J-1-103E and BSS84. Its parts include 22 resistors, 9 capacitors, 8 diodes, 6 transistors and 2 ICs.
Main components
3
LM339
SOP-140℃~+70℃ 1.1mA 1.5mV 150ns 2.3nA 2V~32V 32V 57nA DTL、TTL、CMOS Four channels Open Collector SOP-14 Comparators ROHSJSMSEMIComparators
3314J-1-103E
SMD,4.5x4.5mm1 10kΩ 250mW ±100ppm/℃ ±20% SMD,4.5x4.5mm Potentiometers, Variable Resistors ROHSBournsPotentiometers & Variable Resistors
BSS84
SOT-23-55℃~+150℃ 1 P-Channel 130mA 2.8pF 24.6pF 2V 3.2Ω@5V 300mW 4.7pF 50V 590pC@10V SOT-23 MOSFETs ROHSDiodes IncorporatedMOSFETs
README
README.mdBudget Racing
Parts
72| Qty | Value | Footprint | References |
|---|---|---|---|
| 13 | 10K | Resistor_SMD:R_0603_1608Metric | R2, R10, R12, R13, R15, R16, R17, R18, R19, R25, R28, R29, R31 |
| 6 | 3314J-1-103E | Potentiometer_SMD:Potentiometer_Bourns_3314J_Vertical | RV1, RV2, RV3, RV4, RV5, RV6 |
| 5 | 10uF | Capacitor_SMD:C_0603_1608Metric | C3, C4, C5, C6, C8 |
| 5 | 2N7002 | Package_TO_SOT_SMD:SOT-23 | Q1, Q3, Q4, Q5, Q6 |
| 4 | 4.7K | Resistor_SMD:R_0603_1608Metric | R26, R27, R30, R32 |
| 4 | LED | LED_SMD:LED_0603_1608Metric | D5, D6, D7, D8 |
| 3 | 100K | Resistor_SMD:R_0603_1608Metric | R1, R11, R14 |
| 2 | 100nF | Capacitor_SMD:C_0603_1608Metric | C7, C9 |
| 2 | 150nF | Capacitor_SMD:C_0603_1608Metric | C1, C2 |
| 2 | 1K | Resistor_SMD:R_0603_1608Metric | R7, R24 |
| 2 | BAT43W-V | Diode_SMD:D_SOD-123 | D1, D4 |
| 2 | ESDA-05N | Diode_SMD:D_0603_1608Metric | D2, D3 |
| 2 | LM339 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U1, U2 |
| 1 | BPT | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP11 |
| 1 | BPT HB | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP6 |
| 1 | BPT OV | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP3 |
| 1 | BPT UV | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP4 |
| 1 | BSPD OK | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP14 |
| 1 | BSS84 | Package_TO_SOT_SMD:SOT-23 | Q2 |
| 1 | GNDA | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP10 |
| 1 | Latching RC | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP13 |
| 1 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1 |
| 1 | Power | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | SENSORS OK | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP8 |
| 1 | SENSORS_OK RC | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP16 |
| 1 | Signal | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | TAU | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP7 |
| 1 | TPS | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP12 |
| 1 | TPS 10% | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP5 |
| 1 | TPS OV | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP1 |
| 1 | TPS UV | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP2 |
| 1 | ~{PANIC BRAKE} | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP9 |
| 1 | ~{PANIC BRAKE} RC | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP15 |
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Questions
How big is the BSPD PCB?
It measures 53.3 × 27.9 mm and has 4 copper layers, 1.6 mm thick.
What parts does the BSPD use?
72 parts, built around the LM339, 3314J-1-103E and BSS84. 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 BSPD KiCad files?
From the Nomalah/Budget-Racing-Electronics repository on GitHub, at the commit this page was made from: the board is BSPD/BSPD.kicad_pcb and its schematic BSPD/BSPD.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the BSPD design in my own project?
Its repository states no licence, so its author keeps all rights: ask Nomalah before reusing the design.