Tachometer
About the Tachometer PCB
Tachometer is an open source PCB design by mkousal, published on GitHub. It is a 2-layer board measuring 91.4 × 50 mm, with 53 components from 14 distinct parts.
By type, the board carries 30 resistors, 6 connectors, 6 diodes, 5 transistors, 3 switches and 3 capacitors.
It belongs with the displays & leds and sensors designs in this gallery.
From the project
Supervisor: doc. Ing. Tomáš Frýza, Ph.D. Vivado Teachers: doc. Ing. Tomáš Frýza, Ph.D., Ing. Stanislav Rozum
Supervisor: doc. Ing. Tomáš Frýza, Ph.D. Vivado Teachers: doc. Ing. Tomáš Frýza, Ph.D., Ing. Stanislav Rozum
- Martin Kousal, ID= 221063 Link to GitHub project folder - Matej Ledvina, ID= 221339 Link to GitHub - Tomáš Kříčka, ID= 223283 Link to GitHub - Samuel Košík, ID= 221056 Link to GitHub
Our application uses two hall sensors for measuring speed, traveled distance, burnt calories and time (not by the hall sensor). This data is shown on four 7segment displays (one part). - Calories counting - Total time - Total distance traveled - Trip distance traveled - Speed measuring
Tachometer bill of materials (BOM)
53 components, 14 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 5 | BC817 | SOT-23 | Q1, Q2, Q3, Q4, Q5 |
| 1 | Pmod JA | PinHeader_2x06_P2.54mm_Horizontal | J1 |
| 1 | Pmod JB | PinHeader_2x06_P2.54mm_Horizontal | J2 |
| 1 | Pmod JC | PinHeader_2x06_P2.54mm_Horizontal | J3 |
| 1 | Pmod JD | PinHeader_2x06_P2.54mm_Horizontal | J4 |
| 1 | HallSensor1 | PinHeader_1x03_P2.54mm_Vertical | J5 |
| 1 | HallSensor2 | PinHeader_1x03_P2.54mm_Vertical | J6 |
| 3 | SW_Push_Dual | SW_PUSH_6mm | SW1, SW2, SW3 |
| 1 | TDCG1050m | TDCG10..m | D1 |
| 5 | LED | LED_D5.0mm | D2, D3, D4, D5, D6 |
| 3 | 100n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C3 |
| 8 | 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R12, R13, R15, R16, R18, R22, R27 |
| 17 | 220 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R3, R4, R5, R6, R7, R8, R9 +9 |
| 5 | 1k5 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R11, R14, R17, R21, R26 |
Tachometer design files
The KiCad project lives in the mkousal/Digital-electronics-1-Tachometer repository on GitHub; these links point at the commit this page was built from.
Tachometer: common questions
How big is the Tachometer PCB?
The Tachometer measures 91.4 × 50 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Tachometer?
53 components, from 14 distinct parts. The full bill of materials is listed on this page.
Where can I download the Tachometer design files?
From the mkousal/Digital-electronics-1-Tachometer repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Tachometer design in my own project?
The repository has no license, so all rights stay with mkousal. Use it as a reference, and ask the author before reusing the design.
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