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Alarm clock

Carabouille·Alarm_Clock_dawn_simulator·PCB/alarm_clock/alarm_clock.kicad_pcb

Alarm clock PCB layout, top view — open source ESP32 board by Carabouille

About the Alarm clock PCB

Alarm clock is an open source ESP32 PCB design by Carabouille, published on GitHub. It is a 2-layer board measuring 100 × 80 mm, with 59 components from 40 distinct parts.

Its main chip is the ESP32-S3-WROOM-1, from the ESP32 family. Other key parts include the MCP73871-2AA, AMS1117-3.3, DW01A, FS8205A and MAX98357A. By type, the board carries 20 resistors, 17 capacitors, 9 ICs, 6 diodes, 3 connectors and 2 transistors.

It belongs with the audio, power & battery and sensors designs in this gallery.

From the project

A description of my Alarm clock with dawn simulator for the Fallout event organised By Hackclub

AND see just how beautiful it is !!! Yeah I know I did a great job you can tell me ^^

And to see how it works in details you can watch the video that I did on my alarm clock : (CLICK ON MY AWESOME FACE !)

I really can't wait to build my project, develop my skills and learn so much! I'm gonna give the best version of myself to be proud of my alarm clocks and I also hope that I will have the chance to go to Shenzen to meet other hardware fans! Kind regards, your French friend, Florian "Carabouille" CHARLES :))

Alarm clock, from the project README
From the project README

Main components on the Alarm clock

MCP73871-2AAAMS1117-3.3DW01AFS8205AESP32-S3-WROOM-1MAX98357AMT3608C84817VEML770

Alarm clock bill of materials (BOM)

59 components, 40 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MCP73871-2AA
U1
1
AMS1117-3.3
U2
1
DW01A
U3
1
FS8205A
U4
1
ESP32-S3-WROOM-1
U5
1
MAX98357A
U6
1
MT3608
U7
1
C84817
MT3608
U8
1
VEML770
U10
1
AO3400A
Q1
1
C20917
AO3400A
Q2
1
CONN_01X12_PIN
Conn_01x12_Pin
J1
2
C262714
Conn_01x08_Pin
J8, J11
3
LED
D1, D2, D3
1
SS14
D4
1
C2837270
SS14
D5
1
1N4148
D15
1
22u
L1
1
C2826664
22u
L2
2
10u
C1, C4
Show 20 more
QtyPartRefs
1
4.7u
C2
1
C98192
4.7u
C3
1
22u
C5
4
0.1u
C6, C7, C9, C37
1
1u
C8
3
22u
C11, C13, C14
1
C14
22u
C12
1
C_0805_2012METRIC
10u
C15
1
C21
0.1u
C16
1
C6
0.1u
C17
8
10k
R3, R5, R11, R15, R16, R18, R19, R21
4
1k
R4, R7, R8, R9
1
R8
1k
R6
1
100
R10
1
1000K
1000k
R12
1
390K
390k
R13
1
R16
10k
R14
1
180K
180k
R17
1
2.2k
R22
1
C114662
2.2k
R23

Alarm clock design files

The KiCad project lives in the Carabouille/Alarm_Clock_dawn_simulator repository on GitHub; these links point at the commit this page was built from.

Alarm clock: common questions

What microcontroller does the Alarm clock use?

The Alarm clock is built around the ESP32-S3-WROOM-1, from the ESP32 family.

How big is the Alarm clock PCB?

The Alarm clock measures 100 × 80 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Alarm clock?

59 components, from 40 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Alarm clock design files?

From the Carabouille/Alarm_Clock_dawn_simulator repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Alarm clock design in my own project?

The repository has no license, so all rights stay with Carabouille. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Alarm clock without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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