Daughterboard
About the Daughterboard PCB
Daughterboard is an open source PCB design by bfrigon, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 67.3 × 39.4 mm, with 73 components from 30 distinct parts.
Other key parts include the VS1053B, 74AHC1G04SE-7, AP7312-1833W6, TPA2016D2 and SN74LVC2G34DBV. By type, the board carries 34 capacitors, 19 resistors, 7 connectors, 6 inductors, 5 ICs and 1 transistor.
It belongs with the audio, displays & leds and iot & wireless designs in this gallery.
From the project
Alarm clock (v3)
Main components on the Daughterboard
Daughterboard bill of materials (BOM)
73 components, 30 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | VS1053B | QFP-7-48 | U1 |
| 1 | 74AHC1G04SE-7 | SOT-353 | U2 |
| 1 | AP7312-1833W6 | SOT23-6 | U3 |
| 1 | TPA2016D2 | QFN20-EP-4x4 | U4 |
| 1 | SN74LVC2G34DBV | SOT23-6 | U5 |
| 1 | NTF6P02 | SOT-223 | Q1 |
| 1 | 12.288 MHz | smt-CSM-3X-7x4mm | Y1 |
| 1 | LAMP | DF3A-3P-2DSA | J1 |
| 1 | DISPLAY | DF3A-8P-2DSA | J2 |
| 1 | SPKR | DF3A-4P-2DSA | J3 |
| 1 | DB-A | HDR-M-2x08 | J4 |
| 1 | DB-B | HDR-M-1x04 | J5 |
| 1 | DB-C | HDR-M-1x02 | J6 |
| 1 | ALARM SW | DF3A-2P-2DSA | J7 |
| 2 | 2508053007Y0 | FER-0805 | L1, L2 |
| 4 | MPZ1608S221A | FER-0603 | L3, L4, L5, L6 |
| 14 | 100nF | C-0603 | C1, C2, C3, C4, C5, C6, C7, C8 +6 |
| 3 | 10uF 6V3 | CPL-0805 | C11, C14, C16 |
| 2 | 20pF | C-0603 | C12, C13 |
| 5 | 1uF | C-0805 | C15, C20, C21, C22, C23 |
Show 10 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 47nF | C-0603 | C17 |
| 2 | 10nF | C-0603 | C18, C19 |
| 3 | 10uF | C-0805 | C24, C25, C28 |
| 4 | 1nF | C-0603 | C31, C32, C33, C34 |
| 2 | 470 | R-0603 | R1, R3 |
| 3 | 10k | R-0603 | R2, R7, R11 |
| 10 | 100k | R-0603 | R4, R6, R12, R13, R14, R15, R16, R17 +2 |
| 1 | 1M | R-0603 | R5 |
| 1 | 10 | R-0603 | R8 |
| 2 | 20 | R-0603 | R9, R10 |
Daughterboard design files
The KiCad project lives in the bfrigon/alarm-clock-v3 repository on GitHub; these links point at the commit this page was built from.
Daughterboard: common questions
How big is the Daughterboard PCB?
The Daughterboard measures 67.3 × 39.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Daughterboard?
73 components, from 30 distinct parts. The full bill of materials is listed on this page.
Where can I download the Daughterboard design files?
From the bfrigon/alarm-clock-v3 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Daughterboard design in my own project?
Yes, under the terms of its CC-BY-SA-4.0 license, which bfrigon chose for the repository.
More boards in alarm-clock-v3
AVR/Arduino4-layer panel
99.1 × 91.4 mm90 parts2LCC-BY-SA-4.018
AVR/ArduinoMotherboard
99.1 × 39.4 mm76 parts2LCC-BY-SA-4.018
Psu
44.5 × 30.5 mm40 parts2LCC-BY-SA-4.018
Front Panel
99.1 × 19.1 mm23 parts2LCC-BY-SA-4.018
Touch keypad
99.1 × 25.4 mm19 parts2LCC-BY-SA-4.018
Display - RGB Seven Seg. Digit
22.9 × 39.4 mm16 parts2LCC-BY-SA-4.018
Panel rgb digits
43.8 × 39.4 mm16 parts2LCC-BY-SA-4.018
Level shifter
21.6 × 24.1 mm10 parts2LCC-BY-SA-4.018
Rgb lamp
12.7 × 40.6 mm6 parts2LCC-BY-SA-4.018
Rgb dots
11.4 × 29.2 mm4 parts2LCC-BY-SA-4.018
Similar boards
BM28B0.6-24DSBreakout
scottbez1
15.2 × 35.6 mm3 parts2LApache-2.022.2k
LevelShifterBreakout
15.2 × 20.3 mm5 parts2LApache-2.022.2k
View base
81.2 × 81.2 mm81 parts2LApache-2.022.2k
View screen
35 × 35 mm12 parts2LApache-2.022.2k
Display eval
byrantech
52.1 × 22.6 mm12 parts4LMIT4.3k
ChainlinkBase
98.4 × 190.5 mm119 parts2LApache-2.04.2k