TACOMETRO USB
About the TACOMETRO USB PCB
TACOMETRO USB is an open source PIC PCB design by lucas458, published on GitHub. It is a 2-layer board measuring 76 × 76 mm, with 42 components from 11 distinct parts.
Its main chip is the PIC12F1822-xSN, from the PIC family. Other key parts include the MAX7219 and CH340G. By type, the board carries 20 diodes, 8 capacitors, 6 resistors, 3 ICs, 3 LEDs and 1 crystal.
It belongs with the test & measurement designs in this gallery.
From the project
Tacômetro USB para jogos.
Main components on the TACOMETRO USB
TACOMETRO USB bill of materials (BOM)
42 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | PIC12F1822-xSN | SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | MAX7219 | SOIC-24W_7.5x15.4mm_P1.27mm | U2 |
| 1 | CH340G | SOIC-16_3.9x9.9mm_P1.27mm | U3 |
| 1 | 12MHz | Crystal_HC49-U_Vertical | Y1 |
| 1 | USB_B | 5787834-1 | J1 |
| 3 | LTS-6980HR | 7SegmentLED_LTS6760_LTS6780 | AFF1, AFF2, AFF3 |
| 20 | LED | LED_D5.0mm_Clear | D1, D2, D3, D4, D5, D6, D7, D8 +12 |
| 6 | 100nF | C_0603_1608Metric | C1, C2, C3, C4, C5, C8 |
| 2 | 22pF | C_0603_1608Metric | C6, C7 |
| 2 | 10k | R_0603_1608Metric | R1, R6 |
| 4 | 0R | R_0603_1608Metric | R2, R3, R4, R5 |
TACOMETRO USB design files
The KiCad project lives in the lucas458/TACOMETRO_USB repository on GitHub; these links point at the commit this page was built from.
TACOMETRO USB: common questions
What microcontroller does the TACOMETRO USB use?
The TACOMETRO USB is built around the PIC12F1822-xSN, from the PIC family.
How big is the TACOMETRO USB PCB?
The TACOMETRO USB measures 76 × 76 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the TACOMETRO USB?
42 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the TACOMETRO USB design files?
From the lucas458/TACOMETRO_USB repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the TACOMETRO USB design in my own project?
The repository has no license, so all rights stay with lucas458. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the TACOMETRO USB without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug PIC firmware against it before you order a PCB.
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