Mainboard

mincrmatt12·MSign·board/rev2/mainboard.kicad_pcb

Mainboard is an open source RP2040/RP2350 PCB design by mincrmatt12: a 4-layer, 136.3 × 71.1 mm board with 160 components (57 distinct parts). It is built around the TPD6S300A, TPS62933, TPS259472A, LM5050-1 and more. Filed under displays & leds.

internet-connected led sign control system

Code + designs for an LED sign display board powered by an STM32 and ESP8266. Make sure you clone the submodules.

- board: schematics and PCB layout - stm: STM32 firmware (drives the display) - stmboot: STM32 bootloader - esp: ESP8266 firmware (grabs information from the internet) - espweb: ESP8266 web-based configuration page source - cfgserver: Server for shipping unattended config and software updates (without using the webui) - bmap: Tools for generating graphics resources - caplog: Tools for debugging - vendor: Various dependencies in source form (everything not listed below) - sim…

Built around

TPD6S300A TPS62933 TPS259472A LM5050-1 SiC451 STM32G071CBUx ESP32-C6-WROOM-1 TLV74311 RP2354B 74VHC161 IS61LV256AL 74AHCT595 74HCT245 TS3USB30ERSWR LD1117AG-33-AA3-A-R

Parts list

160 components, 57 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	TPD6S300A	WQFN-20-1EP_3x3mm_P0.4mm_EP1.7x1.7mm_ThermalVias	U1
1	TPS62933	SOT-583-8	U2
1	TPS259472A	VQFN-10_L2.0-W2.0-P0.45-TL	U3
1	LM5050-1	TSOT-23-6	U4
1	SiC451	POWERPAK_MLP34-57_VIS	U5
1	STM32G071CBUx	QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm	U6
1	ESP32-C6-WROOM-1	ESP32-C6-WROOM-1	U7
1	TLV74311	SOT-23-5	U8
1	RP2354B	RP2350-QFN-80-1EP_10x10_P0.4mm_EP3.4x3.4mm_ThermalVias	U9
1	74VHC161	TSSOP-16_4.4x5mm_P0.65mm	U10
2	IS61LV256AL	TSOP-28_L11.8-W8.0-P0.55-LS13.4-L	U11, U13
2	74AHCT595	TSSOP-16_4.4x5mm_P0.65mm	U12, U14
2	74HCT245	TSSOP-20_4.4x6.5mm_P0.65mm	U15, U16
2	TS3USB30ERSWR	UQFN-10_1.4x1.8mm_P0.4mm	U17, U18
1	LD1117AG-33-AA3-A-R	SOT-223-3_TabPin2	U19
1	WSD40120DN56G	DFN-8_L4.9-W6.0-P1.27-LS6.1-BL	Q1
1	ABM8-272-T3	Crystal_SMD_3225-4Pin_3.2x2.5mm	Y1
1	Conn_01x09_Pin	PinHeader_1x09_P2.54mm_Horizontal	JCONT1
2	Conn_01x03	PinHeader_1x03_P2.54mm_Vertical	JDBG1, JDBG2
2	Conn_02x08_Counter_Clockwise	IDC-Header_2x08_P2.54mm_Vertical	JLED1, JLED2

Show 37 more

Qty	Part	Footprint	Refs
1	Screw_Terminal_01x02	CONN-TH_4P-P9.50_WJHB9500M-9.5-04P-13-00A	JPWR1
1	Micro_SD_Card_Det1	microSD_XUNPU_TF-115-BCP9	JSD1
2	USB_C_Receptacle_USB2.0_14P	USB_C_Receptacle_HRO_TYPE-C-31-M-12	JUSB1, JUSB2
4	MS-22D28-G020	SW-SMD_MS-22D17AG2.5	SW1, SW2, SW3, SW5
1	TS-1088-AR02016	SW_SPST_TS-1088-xR020	SW4
1	6.8uH	L_Chilisin_BMRF00101040	L1
1	1uH	L_Cenker_CKST1707	L2
35	100nF	C_0402_1005Metric	C1, C3, C5, C12, C15, C21, C24, C25 +27
5	10uF	C_1206_3216Metric	C2, C10, C16, C37, C72
1	33nF	C_0603_1608Metric	C4
1	10pF	C_0402_1005Metric	C6
12	47uF	C_1206_3216Metric	C7, C8, C9, C26, C27, C28, C29, C30 +4
4	1uF	C_0603_1608Metric	C11, C23, C68, C74
1	2.2nF	C_0603_1608Metric	C13
1	8.2nF	C_0603_1608Metric	C14
1	220uF	CP_Radial_D8.0mm_P3.50mm	C17
1	150uF	CP_Radial_D8.0mm_P3.50mm	C18
6	4.7uF	C_1206_3216Metric	C19, C20, C22, C36, C39, C43
2	15pF	C_0402_1005Metric	C40, C42
2	2.2uF	C_0603_1608Metric	C41, C67
2	330pF	C_0603_1608Metric	C69, C70
1	49.9k	R_0603_1608Metric	R1
5	10k	R_0402_1005Metric	R2, R3, R8, R20, R21
1	100	R_1206_3216Metric	R4
1	1.2k	R_0805_2012Metric	R5
1	470k	R_0805_2012Metric	R6
1	150k	R_0805_2012Metric	R7
1	3.3k	R_0402_1005Metric	R9
1	2.2	R_0603_1608Metric	R10
4	22	R_0402_1005Metric	R12, R13, R18, R19
1	10	R_0402_1005Metric	R14
17	1k	R_0402_1005Metric	R15, R17, R24, R25, R26, R27, R28, R29 +9
6	33	R_0402_1005Metric	R16, R22, R23, R49, R50, R51
5	10k	R_0805_2012Metric	R40, R41, R42, R43, R47
2	5.1k	R_0603_1608Metric	R44, R45
1	20k	R_0603_1608Metric	R46
1	200	R_0402_1005Metric	R48

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