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2 layers72 × 54.8 mmDaylight, the printed circuit board in 3D

An alarm clock with a TFT 2.25 inch screen and dial to act as not just a alarm clock, but also as a timer, stopwatch and pomodoro focus timer

Size
72 × 54.8 mm
Copper layers
2
Thickness
1.6 mm
Parts
14
Nets
17
Pads
63
Tracks, vias
105, 1
Pours
1
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
31 Aug 2026
Updated
11 Sep 2026

Overview

Daylight is an open-source printed circuit board by RishitJain-dev, from the RishitJain-dev/Daylight repository on GitHub. It is a 2-layer board of 72 × 54.8 mm with 14 parts on 17 nets, routed with 105 tracks and 1 via.

Its parts include 3 switches, 2 diodes, 1 IC and 1 connector. It belongs with the ESP32 and RISC-V boards of this library.

README

README.md

Daylight

An alarm clock with a TFT 2.25 inch screen and dial to act as not just a alarm clock, but also as a timer, stopwatch and pomodoro focus timer

1. Designing the schematic - 1 hour

I used KiCad to design the schematic, loosely following the guide on Blare.

Screenshot 2026-08-31 145849

https://lapse.hackclub.com/timelapse/PNQWRp-xT5TE

2. Designing the PCB - 1 hour 30 minutes

Placed components, routed traces, filled a ground pour and exported STEP and GERBER for later use

Screenshot 2026-08-31 163907 Screenshot 2026-08-31 163640 Screenshot 2026-08-31 163342 Screenshot 2026-08-31 163056 Screenshot 2026-08-31 163708

https://lapse.hackclub.com/timelapse/aowiD0g3GfD9

3. Designing the CAD - 1 hour 30 minutes

I used Onshape to design the CAD, splitting the casing into 2 pieces, top and bottom, all connected by nuts and bolts, and keycaps for the switches and a knob for the rotary encoder, and a small hole for the USB-C port

Screenshot 2026-09-05 174124 Screenshot 2026-09-05 173954 Screenshot 2026-09-05 173905

Bill of Materials

2x Cherry MX Switches

2x Keycaps any colour

1x EC11 Rotary Encoder with switch

1x Seeed XIAO RP2040

4x M3 Nut and Bolt, 2cm, Low profile top

4x M3 Spacers, 3mm diameter, 0.6cm, circular, non-threaded

1 Case (2 printed parts)

Parts

14
QtyValueFootprintReferences
4MountingHoleMountingHole:MountingHole_3.2mm_M3H1, H2, H3, H4
21N4001Diode_THT:D_DO-41_SOD81_P10.16mm_HorizontalD1, D2
2LOGOLOGOG***, G***
2SW_PushButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW1, SW2
1Buzzer_5VBuzzer_Beeper:MagneticBuzzer_ProSignal_ABT-410-RCBZ1
1Conn_01x08_PinConnector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_VerticalJ1
1RotaryEncoderRotary_Encoder:RotaryEncoder_Alps_EC11E_Vertical_H20mm_CircularMountingHolesSW3
1XIAO-ESP32-C3-SMDSeeed_Studio_XIAO_Series:XIAO-ESP32-C3-DIPU1

Questions

How big is the Daylight PCB?

It measures 72 × 54.8 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Daylight use?

14 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 Daylight KiCad files?

From the RishitJain-dev/Daylight repository on GitHub, at the commit this page was made from: the board is PCB/Daylight.kicad_pcb and its schematic PCB/Daylight.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Daylight design in my own project?

Its repository states no licence, so its author keeps all rights: ask RishitJain-dev before reusing the design.

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