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DaNumPad - Glow

TweetyDaBird·DaNumPad·DaNumPad Glow 17/DaNumPad Glow 17.kicad_pcb

DaNumPad - Glow PCB layout, top view — open source AVR/Arduino board by TweetyDaBird

About the DaNumPad - Glow PCB

DaNumPad - Glow is an open source AVR/Arduino PCB design by TweetyDaBird, published on GitHub under the Custom license license. It is a 2-layer board measuring 100 × 95.3 mm, with 81 components from 22 distinct parts.

Its main chip is the ATmega32U4, from the AVR/Arduino family. Other key parts include the SRV05-4. By type, the board carries 26 capacitors, 18 switches, 17 diodes, 7 resistors, 2 ICs and 2 connectors.

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

From the project

A Numpad

- USB-C connector - Cherry MX compatible switches - Kailh Hotswap sockets - Supports PCB-mounted Cherry style stabilizers - Designed as a companion to most 60% keyboards, being the same 5 row 'height'. - Sandwich case with top and bottom plate from FR4 material. - Full SMD design, adapted to easily allow both SMT manufacturing and handsoldering.

Main components on the DaNumPad - Glow

SRV05-4ATmega32U4

DaNumPad - Glow bill of materials (BOM)

81 components, 22 distinct parts.

QtyPartRefs
1
SRV05-4
U1
1
ATmega32U4
U2
1
X322516MLB4SI
X1
1
USB_C_Receptacle_USB2.0
J1
1
Conn_01x06
J2
1
0467.750NRHF
F1
3
Stabilizer_2u_MX
ST1, ST2, ST3
1
TS-A002
SW1
17
SW_Push
SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9 +9
1
BSD3C051V
TVS1
1
STATUS_LED
LED_1
1
PWR_LED
LED_2
17
1N4148W
D1, D2, D3, D4, D5, D6, D7, D8 +9
1
BLM15PX121SN1D
FB1
2
12pF
C1, C2
1
1uF
C3
22
100nF
C4, C5, C6, C7, C8, C10, C11, C12 +14
1
4.7uF
C9
2
5.1K
R1, R2
2
33
R3, R7
Show 2 more
QtyPartRefs
2
22
R4, R5
1
10k
R6

DaNumPad - Glow design files

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

DaNumPad - Glow: common questions

What microcontroller does the DaNumPad - Glow use?

The DaNumPad - Glow is built around the ATmega32U4, from the AVR/Arduino family.

How big is the DaNumPad - Glow PCB?

The DaNumPad - Glow measures 100 × 95.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the DaNumPad - Glow?

81 components, from 22 distinct parts. The full bill of materials is listed on this page.

Where can I download the DaNumPad - Glow design files?

From the TweetyDaBird/DaNumPad repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the DaNumPad - Glow design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

Can I test firmware for the DaNumPad - Glow without the hardware?

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

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