2 layers65 × 45 mm
2 layers154 × 202 mm
UV timer
bitraf/electronics1Bitraf Electronics Library
- Size
- 154 × 202 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 26
- Nets
- 24
- Pads
- 90
- Tracks, vias
- 122, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 29 Jan 2018
- Updated
- 20 Nov 2019
Overview
UV timer is an open-source printed circuit board by bitraf, from the bitraf/electronics repository on GitHub. It is a 2-layer board of 154 × 202 mm with 26 parts on 24 nets, routed with 122 tracks and 0 vias.
Its parts include 7 capacitors, 3 resistors, 3 ICs, 3 connectors and 3 switches. It belongs with the STM32 boards of this library.
README
README.mdBitraf Electronics Library (BEL)
This repository has a list of components available at Bitraf, all components are free to use for members. We strive to have the list of components found here available at all times, so members can use them in new designs.
There is also a list of referece designs made in KiCad, such as step down converter, hello world blinky led based on STM32 uC, a USB hub etc. These are meant to be used as building blocks for ne designs for both members and others.
For B-Timer, see /Reference-designs/stm32f070/B-timer.
Parts
26| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 0.1uF | Capacitors_SMD:C_0402 | C1, C5, C8 |
| 3 | SW_Push | Bitraf:SPST-4-PIN_6mm_thru | SW1, SW2, SW3 |
| 2 | 18pF | Capacitors_SMD:C_0402 | C2, C3 |
| 2 | 22R | Resistors_SMD:R_0805 | R1, R2 |
| 2 | 4.7uF | Capacitors_SMD:C_0603 | C6, C7 |
| 1 | 0R | Resistors_SMD:R_0402 | R10 |
| 1 | 8MHz | Crystals:Crystal_HC49-SD_SMD | Y1 |
| 1 | CONN_01X03 | Pin_Headers:Pin_Header_Straight_1x03 | P2 |
| 1 | CONN_01X04 | Pin_Headers:Pin_Header_Straight_1x04 | P3 |
| 1 | OLED | Pin_Headers:Pin_Header_Straight_1x07 | U3 |
| 1 | STM32F070 | Housings_SSOP:TSSOP-20_4.4x6.5mm_Pitch0.65mm | U2 |
| 1 | TC2EF | TO_SOT_Packages_SMD:SOT-23-5 | U1 |
| 1 | USB_OTG | conn-fci:FCI_10118193-0001LF | P1 |
The 20 most common of 26 parts.
Questions
How big is the UV timer PCB?
It measures 154 × 202 mm and has 2 copper layers, 1.6 mm thick.
What parts does the UV timer use?
26 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 UV timer KiCad files?
From the bitraf/electronics repository on GitHub, at the commit this page was made from: the board is PCB-etching/UV-exposure/PCB/UV-timer.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the UV timer design in my own project?
Its repository states no licence, so its author keeps all rights: ask bitraf before reusing the design.
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