HardLabs

MIZUHO

idt12312·MIZUHO·pcb/micromouse2016.kicad_pcb

MIZUHO PCB layout, top view — open source STM32 board by idt12312

About the MIZUHO PCB

MIZUHO is an open source STM32 PCB design by idt12312, published on GitHub. It is a 2-layer board measuring 75.1 × 85.2 mm, with 106 components from 47 distinct parts.

Its main chip is the STM32F405RGTx, from the STM32 family. Other key parts include the RT7285/A, REF1933, MPU6500, DRV8835 and AD8604. By type, the board carries 44 capacitors, 26 resistors, 14 diodes, 9 ICs, 7 connectors and 2 transistors.

From the project

マイクロマウス2016の機体データ

第37回全日本マイクロマウス大会のクラッシック競技フレッシュマンクラスに出場しました。 予選を通過し、決勝では11位のタイムで完走しました。

FreeRTOSを利用しています。 上の画像の緑の色のついている部分がFreeRTOSのタスクになっています。

受光した信号は直交復調に基づいて復調しています。 計算自体はDFTをとある周波数についてだけ計算することと同じです。

受光した信号を 、サンプリング周波数を とします。 ここでは から周波数 成分の強度を計算するとします。

MIZUHO, from the project README
From the project README

Main components on the MIZUHO

RT7285/AREF1933STM32F405RGTxMPU6500DRV8835AD8604NJM2746

MIZUHO bill of materials (BOM)

106 components, 47 distinct parts.

QtyPartRefs
2
RT7285/A
IC1, IC2
1
REF1933
IC3
1
STM32F405RGTx
IC4
1
MPU6500
IC5
2
DRV8835
IC6, IC7
1
AD8604
IC8
1
NJM2746
IC9
2
IRFML8244
Q1, Q2
1
BATT1
P1
1
BATT2
P2
1
POWER_SW
P3
1
DEBUG_UART
P4
1
ARM_DEBUG
P5
2
MOTOR
P6, P7
2
SW_PUSH
SW1, SW2
1
PWR_BLUE
D1
1
GREEN1
D2
1
GREEN2
D3
1
GREEN3
D4
1
GREEN4
D5
Show 27 more
QtyPartRefs
1
RED
D6
4
SFH213FA
D7, D8, D9, D10
4
VSLY5850
D11, D12, D13, D14
1
10u
L1
1
6.8u
L2
20
0.1u
C1, C4, C5, C6, C7, C10, C11, C14 +12
4
10u
C2, C3, C15, C16
2
33p
C8, C9
4
47u
C12, C13, C33, C36
2
2.2u
C18, C19
2
1u
C20, C26
1
4.7u
C25
5
0.01u
C30, C37, C39, C41, C43
4
22p
C38, C40, C42, C44
1
1k
R1
1
110k 1%
R2
1
15k 1%
R3
1
115k1%
R4
1
25.5k1%
R5
4
180
R6, R7, R8, R9
1
220
R10
1
22k
R11
3
10k
R12, R25, R26
4
100k
R13, R15, R17, R19
4
220k
R14, R16, R18, R20
2
10
R21, R23
2
15 1/4W
R22, R24

MIZUHO design files

The KiCad project lives in the idt12312/MIZUHO repository on GitHub; these links point at the commit this page was built from.

MIZUHO: common questions

What microcontroller does the MIZUHO use?

The MIZUHO is built around the STM32F405RGTx, from the STM32 family.

How big is the MIZUHO PCB?

The MIZUHO measures 75.1 × 85.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the MIZUHO?

106 components, from 47 distinct parts. The full bill of materials is listed on this page.

Where can I download the MIZUHO design files?

From the idt12312/MIZUHO repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the MIZUHO design in my own project?

The repository has no license, so all rights stay with idt12312. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the MIZUHO without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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