Sum-Intro-Number thing

JeffreyWangDev·Sum-Intro-Number-thing

About the Sum-Intro-Number thing PCB

Sum-Intro-Number thing is an open source RP2040/RP2350 PCB design by JeffreyWangDev, published on GitHub under the MIT license. It is a 2-layer board measuring 92 × 122 mm, with 107 components from 29 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the TP4056-42-ESOP8, DW01A, Display, XC6206PxxxMR and W25Q16JVSS. By type, the board carries 28 diodes, 21 capacitors, 17 resistors, 7 ICs, 5 connectors and 3 transistors.

Main components on the Sum-Intro-Number thing

TP4056-42-ESOP8 DW01A Display XC6206PxxxMR W25Q16JVSS RP2040 SRV05-4

Sum-Intro-Number thing bill of materials (BOM)

107 components, 29 distinct parts.

Qty	Part	Footprint	Refs
1	TP4056-42-ESOP8	SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm_ThermalVias	U1
1	DW01A	SOT-23-6	U2
1	Display	2.25_ TFT	U3
1	XC6206PxxxMR	SOT-23-3	U4
1	W25Q16JVSS	SOIC-8_5.3x5.3mm_P1.27mm	U5
1	RP2040	QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm	U6
1	SRV05-4	SOT-23-6	U7
1	AO3401A	SOT-23	Q1
1	HJ8205	SOT-23-6	Q2
1	AO3400A	SOT-23	Q3
1	X322512MSB4SI	Crystal_SMD_Abracon_ABM8G-4Pin_3.2x2.5mm	Y1
1	TYPE-C-31-M-12	HRO_TYPE-C-31-M-12	J1
2	Conn_01x02_Pin	PinHeader_1x02_P2.00mm_Vertical	J2, J4
2	Conn_01x02	PinHeader_1x02_P2.00mm_Vertical	J3, J5
25	choc_v1_SW_HS	SW_choc_v1_HS_CPG135001S30_1u	CH1, CH2, CH3, CH4, CH5, CH6, CH7, CH8 +17
26	1N4148W	D_SOD-123	D1, D2, D3, D4, D5, D7, D8, D9 +18
2	RB160M-30	D_SOD-123	D6, D27
13	100nF	C_0402_1005Metric	C1, C4, C9, C10, C11, C13, C15, C16 +5
2	10uf	C_0603_1608Metric	C3, C22
2	1uf	C_0805_2012Metric_Pad1.18x1.45mm_HandSolder	C5, C6

Show 9 more

Qty	Part	Footprint	Refs
2	33p	C_0402_1005Metric	C7, C8
2	1uF	C_0603_1608Metric	C12, C14
5	10k	R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R1, R2, R3, R14, R18
1	2k	R_0402_1005Metric	R4
2	100k	R_0603_1608Metric	R6, R7
3	1k	R_0402_1005Metric	R8, R13, R15
2	5k1	R_0402_1005Metric	R9, R11
2	100	R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R10, R12
2	27.4	R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R16, R17

Sum-Intro-Number thing design files

The KiCad project lives in the JeffreyWangDev/Sum-Intro-Number-thing repository on GitHub; these links point at the commit this page was built from.

Layoutcalc.kicad_pcb
Schematiccalc.kicad_sch

Sum-Intro-Number thing: common questions

What microcontroller does the Sum-Intro-Number thing use?

The Sum-Intro-Number thing is built around the RP2040, from the RP2040/RP2350 family.

How big is the Sum-Intro-Number thing PCB?

The Sum-Intro-Number thing measures 92 × 122 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Sum-Intro-Number thing?

107 components, from 29 distinct parts. The full bill of materials is listed on this page.

Where can I download the Sum-Intro-Number thing design files?

From the JeffreyWangDev/Sum-Intro-Number-thing repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Sum-Intro-Number thing design in my own project?

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

Can I test firmware for the Sum-Intro-Number thing 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.