TSAL
About the TSAL PCB
TSAL is an open source PCB design by FormulaBartonRacing, published on GitHub. It is a 2-layer board measuring 87.6 × 58.1 mm, with 53 components from 33 distinct parts.
Other key parts include the LM358, 74HC27, 74HC20, 4N35 and 74HC08. By type, the board carries 22 resistors, 11 capacitors, 10 ICs, 4 connectors, 3 transistors and 1 diode.
From the project
Repo for 2026 circuit boards
Main components on the TSAL
TSAL bill of materials (BOM)
53 components, 33 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM358 | SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | 74HC27 | SOIC-14_3.9x8.7mm_P1.27mm | U2 |
| 1 | 74HC20 | DIP-14_W7.62mm | U3 |
| 1 | 4N35 | DIP-6_W7.62mm | U4 |
| 1 | 74HC08 | DIP-14_W7.62mm | U5 |
| 1 | 74HC86 | DIP-14_W7.62mm | U6 |
| 1 | LM7805_TO220 | TO-220-3_Horizontal_TabDown | U7 |
| 2 | LM339 | DIP-14_W7.62mm | U8, U9 |
| 1 | 74HC74 | DIP-14_W7.62mm | U10 |
| 2 | BSS138 | SOT-23 | Q1, Q2 |
| 1 | AO3401A | SOT-23 | Q3 |
| 1 | Conn_02x03_Counter_Clockwise | Molex_Micro-Fit_3.0_43045-0612_2x03_P3.00mm_Vertical | J1 |
| 1 | Conn_01x02 | Molex_Mini-Fit_Jr_5566-02A_2x01_P4.20mm_Vertical | J2 |
| 2 | Conn_02x01 | Molex_Micro-Fit_3.0_43045-0212_2x01_P3.00mm_Vertical | J3, J4 |
| 1 | RKZE-1205S_HP | CONV_RKZE-1205S_HP | PS1 |
| 1 | R_Potentiometer_Trim | Potentiometer_Bourns_3386F_Vertical | e1 |
| 1 | GRN | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
| 9 | 0.1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C4, C6, C7, C8, C9, C10, C11 +1 |
| 1 | 100uF | C_Elec_6.3x7.7 | C3 |
| 1 | .33uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5 |
Show 13 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 7 | 500K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5, R6, R7, R8, R9, R10, R22 |
| 1 | 100K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R11 |
| 1 | 5.1K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R12 |
| 4 | 10K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R13, R19, R20, R35 |
| 1 | 12K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R14 |
| 1 | 7.5K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R15 |
| 1 | 390 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R16 |
| 1 | 330K | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R17 |
| 1 | 13.7K | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R18 |
| 1 | 2k2 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R21 |
| 1 | 49.9 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R32 |
| 1 | 910 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R33 |
| 1 | 18K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R34 |
TSAL design files
The KiCad project lives in the FormulaBartonRacing/Electronics repository on GitHub; these links point at the commit this page was built from.
- LayoutTSAL/TSAL.kicad_pcb
- SchematicTSAL/TSAL.kicad_sch
TSAL: common questions
How big is the TSAL PCB?
The TSAL measures 87.6 × 58.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the TSAL?
53 components, from 33 distinct parts. The full bill of materials is listed on this page.
Where can I download the TSAL design files?
From the FormulaBartonRacing/Electronics repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the TSAL design in my own project?
The repository has no license, so all rights stay with FormulaBartonRacing. Use it as a reference, and ask the author before reusing the design.
