2 layers28.6 × 36.2 mm
Toothy - Copy
restifo/toothy_the_timer
A little PCB project that helps kids brush teeth for the proper amount of time
68 parts1CC0-1.0
2 layers28.6 × 36.2 mm
A little PCB project that helps kids brush teeth for the proper amount of time
- Size
- 28.6 × 36.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 85
- Nets
- 70
- Pads
- 232
- Tracks, vias
- 555, 89
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 14 May 2015
- Updated
- 15 May 2015
Overview
Toothy is an open-source printed circuit board by restifo, from the restifo/toothy_the_timer repository on GitHub, published under the CC0-1.0 licence. It is a 2-layer board of 28.6 × 36.2 mm with 85 parts on 70 nets, routed with 555 tracks and 89 vias.
Its parts include 32 resistors, 27 diodes, 13 connectors, 6 switches and 5 ICs. It belongs with the AVR (ATmega, ATtiny) boards of this library.
README
README.mdtoothy_the_timer
A little PCB project that helps kids brush teeth for the proper amount of time.
It uses the Atmet Attiny85 along with some shift registers and various LEDs, etc.
Schematics were created in KiCad. Gerbers are available if you'd like to send the board out to a fab house.
Note that this repository does not have a bootloader in it. You'll have to find/roll your own. This is mainly to avoid any issues with USB VID/PID numbers.
Parts
85| Qty | Value | Footprint | References |
|---|---|---|---|
| 26 | 220 | SM1206 | R1, R2, R10, R11, R12, R13, R14, R15, R16, R17, R21, R22, R23, R24, R25, R26 +10 |
| 26 | LED | LED-1206 | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +10 |
| 10 | CONN_1 | PIN_ARRAY_1 | P3, P4, P5, P6, P7, P8, P9, P10, P11, P12 |
| 3 | 10k | SM1206 | R18, R19, R20 |
| 3 | 74LS595 | SOIC-16Correct | U1, U2, U3 |
| 3 | PB_SWITCH | smd_push_button | SW1, SW2, SW3 |
| 2 | 68 | SM1206 | R31, R32 |
| 1 | .1 uF | c_1206 | C2 |
| 1 | 1.5k | SM1206 | R30 |
| 1 | 10 uF | c_1206 | C1 |
| 1 | 7803 | SOT223 | U4 |
| 1 | ATTINY85-S | SOIC8-W | IC1 |
| 1 | CONN_2 | PIN_ARRAY_2X1 | P2 |
| 1 | DIODE | SM1206 | D5 |
| 1 | ICSP | pin_array_3x2 | P1 |
| 1 | MISO/LATCH JMPR | PIN_ARRAY_3X1 | K3 |
| 1 | MODE JMPR | PIN_ARRAY_3X1 | K2 |
| 1 | START JMPR | PIN_ARRAY_3X1 | K1 |
| 1 | USB-MINI-B | USB_MINI_B | CON1 |
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Questions
How big is the Toothy PCB?
It measures 28.6 × 36.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Toothy use?
85 parts. 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 Toothy KiCad files?
From the restifo/toothy_the_timer repository on GitHub, at the commit this page was made from: the board is toothy.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Toothy design in my own project?
Its repository publishes it under the CC0-1.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).