MI-23-Calculator-Hardware

MiracleAig·MI-23-Calculator-Hardware

About the MI-23-Calculator-Hardware PCB

MI-23-Calculator-Hardware is an open source RP2040/RP2350 PCB design by MiracleAig, published on GitHub under the MIT license. It is a 2-layer board measuring 87.1 × 49.4 mm, with 40 components from 17 distinct parts.

Its main chip is the RP2350A-QFN60, from the RP2040/RP2350 family. Other key parts include the NCP1117-3.3_SOT223 and W25Q128JVS. By type, the board carries 20 capacitors, 11 resistors, 3 ICs, 2 connectors, 2 switches and 1 crystal.

From the project

Repository for the MI-23 Hardware

Main components on the MI-23-Calculator-Hardware

RP2350A-QFN60 NCP1117-3.3_SOT223 W25Q128JVS

MI-23-Calculator-Hardware bill of materials (BOM)

40 components, 17 distinct parts.

Qty	Part	Footprint	Refs
1	RP2350A-QFN60	RP2350B_QFN-80_EP_10.573x10.573_Pitch0.4mm	U1
1	NCP1117-3.3_SOT223	NCP1117_3V3	U2
1	W25Q128JVS	W25Q128JVS	U3
1	ABM8-272-T3	XTAL_ABM8-272-T3	Y1
1	USB_C_Receptacle_USB2.0_14P	USB_C_HRO_TYPE-C-31-M-12	J1
1	SM03B-SRSS-TB_LF__SN_	JST_SM03B-SRSS-TB_LF__SN_	J2
2	SW_Push	Button_TL3342	SW1, SW2
1	3.3u	R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	L1
4	4.7uF	C_0805_2012Metric_Pad1.18x1.45mm_HandSolder	C1, C2, C3, C16
2	10u	C_0805_2012Metric_Pad1.18x1.45mm_HandSolder	C4, C5
12	100n	C_0805_2012Metric_Pad1.18x1.45mm_HandSolder	C6, C7, C8, C9, C10, C11, C12, C13 +4
2	15pF	C_0805_2012Metric_Pad1.18x1.45mm_HandSolder	C19, C20
1	33	R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R1
2	5.1K	R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R2, R3
2	27	R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R4, R5
3	DNF	R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R6, R7, R8
3	1K	R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R9, R10, R11

MI-23-Calculator-Hardware design files

The KiCad project lives in the MiracleAig/MI-23-Calculator-Hardware repository on GitHub; these links point at the commit this page was built from.

LayoutRP2350 Calculator project.kicad_pcb
SchematicRP2350 Calculator project.kicad_sch

MI-23-Calculator-Hardware: common questions

What microcontroller does the MI-23-Calculator-Hardware use?

The MI-23-Calculator-Hardware is built around the RP2350A-QFN60, from the RP2040/RP2350 family.

How big is the MI-23-Calculator-Hardware PCB?

The MI-23-Calculator-Hardware measures 87.1 × 49.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the MI-23-Calculator-Hardware?

40 components, from 17 distinct parts. The full bill of materials is listed on this page.

Where can I download the MI-23-Calculator-Hardware design files?

From the MiracleAig/MI-23-Calculator-Hardware repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the MI-23-Calculator-Hardware design in my own project?

Yes, under the terms of its MIT license, which MiracleAig chose for the repository.

Can I test firmware for the MI-23-Calculator-Hardware without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.