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Hermod

modern-hobbyist·aesir·modern-split-keyboard-template/hermod.kicad_pcb

Top view of the Hermod PCB
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Hermod is an open source STM32 PCB design by modern-hobbyist: a 2-layer, 189.2 × 139.5 mm board with 177 components (20 distinct parts). It is built around the STM32F072CBT6, PRTR5V0U2X, XC6206PxxxMR-Regulator_Linear, CR2013-MI2120 and more. Filed under keyboards.

Collection of KiCad PCB designs for custom keyboards, including full-sized and split ergonomic layouts with STM32F072CBT6 microcontrollers.

Project Aesir is a collection of custom keyboard PCB designs created using KiCad, aimed at keyboard enthusiasts and DIY makers. Each project in this collection was designed to scratch a specific itch, fill a need, or address a particular problem I had with traditional mechanical keyboards, from a template for a standard keyboard PCB using the STM32F072CBT6 microcontroller to a split ergonomic keyboard design with a modular numpad.

Built around

STM32F072CBT6PRTR5V0U2XXC6206PxxxMR-Regulator_LinearCR2013-MI2120TXB0101

Parts list

177 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32F072CBT6
U1
1
PRTR5V0U2X
U2
1
XC6206PxxxMR-Regulator_Linear
U3
1
CR2013-MI2120
U4
1
TXB0101
U5
1
AO3401A
Q1
1
MMUN2233LT1G
Q2
2
USB_C_Receptacle_USB2.0
J1, J3
1
Conn_01x05
J2
2
SW_SPST
BOOT1, RST1
30
choc_v1_SW_HS
CH1, CH2, CH3, CH4, CH5, CH6, CH8, CH9 +22
7
choc_v1_SW_HS
CH7, CH14, CH21, CH28, CH35, CH36, CH37
1
500mA
F1
37
choc_SK6812MINI-E
LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +29
37
D
D1, D2, D3, D4, D5, D6, D7, D8 +29
7
100nF
C1, C3, C4, C5, C6, C7, C8
1
10uF
C2
2
1uF
C9, C10
39
0.1uF
C11, C12, C13, C14, C15, C16, C17, C18 +31
4
5.1k
R1, R2, R3, R4

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