4 layers68.6 × 53.3 mm
2 layers76.2 × 50.8 mm
Sitstandtimercircuit
Bachmann1234/Electronics-DrawerPlace for various small electronics projects
- Size
- 76.2 × 50.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 13
- Nets
- 35
- Pads
- 68
- Tracks, vias
- 38, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 3 Apr 2021
- Updated
- 18 Oct 2026
Overview
Sitstandtimercircuit is an open-source printed circuit board by Bachmann1234, from the Bachmann1234/Electronics-Drawer repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 76.2 × 50.8 mm with 13 parts on 35 nets, routed with 38 tracks and 0 vias.
It is built around the DS3231S#. Its parts include 5 ICs, 3 resistors, 2 diodes and 1 switch.
Main components
1README
README.mdElectronics Drawer
Repo to collect source code and other artifacts around small electronics projects
Cocktail Scale
A custom kitchen scale designed for use in a bar to measure cocktail ingrediants
Giant Button
Giant Keyboard switch that can be programmed to do various keyboard tricks
Eink Art Display
Eink displayed powered by a pi that displays art from the internet
Sit Stand Timer
Two timers that track if my standing desk is up or down using a sonar sensor
USB Morse Code Key
USB Morse Code Key that can be used as an external keyboard for an android phone
Parts
13| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | .56-7segment-backpack | sitstandtimercircuit:7segmentbackpack | U2, U4 |
| 2 | LED | LED_THT:LED_D5.0mm | D1, D2 |
| 1 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3 |
| 1 | 20 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 1 | 470 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2 |
| 1 | DS3231 | sitstandtimercircuit:RTC | U3 |
| 1 | Feather32u4 | sitstandtimercircuit:Feather | U1 |
| 1 | SW_Push_SPDT | sitstandtimercircuit:button | SW1 |
| 1 | Sonar-rcwl-1601 | sitstandtimercircuit:sonar | U5 |
The 11 most common of 13 parts.
Questions
How big is the Sitstandtimercircuit PCB?
It measures 76.2 × 50.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Sitstandtimercircuit use?
13 parts, built around the DS3231S#. 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 Sitstandtimercircuit KiCad files?
From the Bachmann1234/Electronics-Drawer repository on GitHub, at the commit this page was made from: the board is sitstandtimer/sitstandtimercircuit/sitstandtimercircuit.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Sitstandtimercircuit design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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