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Boulder clock replacent bord

mickdassive·boulder_clock_replacent_bord·hardware/boluder clock replacement.kicad_pcb

Boulder clock replacent bord PCB layout, top view — open source ESP8266 board by mickdassive

About the Boulder clock replacent bord PCB

Boulder clock replacent bord is an open source ESP8266 PCB design by mickdassive, published on GitHub. It is a 4-layer board measuring 150.3 × 47.5 mm, with 208 components from 38 distinct parts.

Its main chip is the ESP-12F, from the ESP8266 family. Other key parts include the PI4IOE5V6416LEX, PCF8523TK/1,118, CD4028BNSR, HV9150 and TPS63031DSKR. By type, the board carries 88 resistors, 61 transistors, 30 capacitors, 12 ICs, 3 switches and 2 connectors.

It belongs with the iot & wireless designs in this gallery.

From the project

This project provides the source code and design files for the Boulder Clock Replacement Board, designed as a direct drop-in replacement for the original Boulder Clock hardware. The board is fully compatible with existing clock circuitry—no additional wiring or modifications are

This project provides the source code and design files for the Boulder Clock Replacement Board, designed as a direct drop-in replacement for the original Boulder Clock hardware. The board is fully compatible with existing clock circuitry—no additional wiring or modifications are required.

- Drop-in replacement for Boulder Clock boards—no extra wiring needed - Open-source hardware and software design (GPLv3 license) - Improved time accuracy - WiFi configuration via web interface (WiFi Manager) - Adjustable GMT offset, DST settings, and 12/24 hour mode - Easy-to-follow assembly instructions

Main components on the Boulder clock replacent bord

PI4IOE5V6416LEXPCF8523TK/1,118CD4028BNSRESP-12FHV9150TPS63031DSKR

Boulder clock replacent bord bill of materials (BOM)

208 components, 38 distinct parts.

QtyPartRefs
2
PI4IOE5V6416LEX
U1, U2
1
PCF8523TK/1,118
U3
6
CD4028BNSR
U4, U5, U7, U8, U9, U10
1
ESP-12F
U6
1
HV9150
U11
1
TPS63031DSKR
U12
60
BSS127H6327XTSA2
Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 +52
1
FQD12N20LTM-F085P
Q21
1
32KHz768
Y1
1
PROG_PORT
J1
1
USB4515-GF-A
J2
1
36-2997-ND
BT1
1
SolderJumper_2_Open
JP1
6
~
NT1, NT2, NT3, NT4, NT5, NT6
1
SET
SW1
1
PLUS
SW2
1
MINUS
SW3
1
NHP140SFT3G
D1
1
BRL3225T1R5M 1uH5
L1
1
NS10145T470MNVV 47uH
L2
Show 18 more
QtyPartRefs
10
10uF
C1, C2, C10, C11, C15, C17, C18, C20 +2
15
0uF1
C3, C4, C6, C7, C8, C9, C12, C13 +7
1
22uF
C5
1
4uF7
C25
1
1uF
C26
1
250BXC22MEFC10X16 22uF
C28
1
C1206X104K251T 0uF1
C30
10
10K
R1, R2, R4, R5, R6, R7, R8, R11 +2
2
1K
R3, R39
3
2K2
R9, R10, R43
60
3K3
R14, R15, R16, R17, R18, R20, R21, R22 +52
6
80K
R19, R30, R50, R61, R72, R83
1
330R
R36
2
5K1
R37, R38
1
PVG3A102C01R00 1K
R40
1
47K
R41
1
1M
R42
1
PVG3A502C01R00 5K
R44

Boulder clock replacent bord design files

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

Boulder clock replacent bord: common questions

What microcontroller does the Boulder clock replacent bord use?

The Boulder clock replacent bord is built around the ESP-12F, from the ESP8266 family.

How big is the Boulder clock replacent bord PCB?

The Boulder clock replacent bord measures 150.3 × 47.5 mm, has 4 copper layers and is 1.6062 mm thick.

How many components are on the Boulder clock replacent bord?

208 components, from 38 distinct parts. The full bill of materials is listed on this page.

Where can I download the Boulder clock replacent bord design files?

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

Can I use the Boulder clock replacent bord design in my own project?

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

Can I test firmware for the Boulder clock replacent bord without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.

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