AME32S3

Atthun Markus Espressif 32

A Custom version of the Well known ESP32 S3

The Model with Buck/Boost converter is still being designed.

Board must be powered with an external 9V Source for now...

HASL Leadfree is recommended as surface finish.

Features :

# Regulated 5V Output

# Regulated 3.3V Output

# ESP32 S3 N8R2 Processor

# WiFi 2.4Ghz

# Bluetooth 5 LE & Classic

# FT232RQ USB to UART Chip

Updated Version of the older Atthun ESP32 Board

Switched Mode Power Supply for the board will be added in REV 2.5

Remaning DRC Errors : 0

Any Feedback is highly valued and Appreciated.

Thank you so much for Markus_ee for helping this project be successfull !

Go Follow Markus_ee #Shoutout

Design Drawing

schematic diagram

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PCB

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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity	Supplier	JLCPCB Part Class	image
1	TS-1088-AR02016	BOOT,RESET	SW-SMD_L3.9-W3.0-P4.45	2	LCSC	C720477	TS-1088-AR02016
2	100nF	C1,C2,C5,C10,C12,C14	C0402	6	LCSC	C307331	CL05B104KB54PNC
3	10uF	C3,C6,C7,C13	C0402	4	LCSC	C315248	CL05A106MP5NUNC_C315248
4	1uF	C4	C0402	1	LCSC	C52923	CL05A105KA5NQNC
5	100nF	C8	C0603	1	LCSC	C14663	CC0603KRX7R9BB104
6	10uF	C9	C0603	1	LCSC	C19702	CL10A106KP8NNNC
7	10uF	C11	C0603	1	LCSC	C96446	CL10A106MA8NRNC
8	1N5819HW-7-F	D1,D2	SOD-123_L2.7-W1.6-LS3.7-RD	2	LCSC	C82544	1N5819HW-7-F
9	LESD5D5.0CT1G	D4,D5,D6,D7	SOD-523_L1.2-W0.8-LS1.6-BI	4	LCSC	C383211	LESD5D5.0CT1G
10	BSMD0805-075-16V	F1	F0805	1	LCSC	C976303	BSMD0805-075-16V
11	HDR-M-2.54_1x20	J1,J2	HDR-M-2.54_1X20	2	LCSC	C50981	HDR-M-2.54_1x20
12	HDR-M-2.54_1x2	J3,J4	HDR-M-2.54_1X2	2	LCSC	C124375	HDR-M-2.54_1x2
13	19-137/R6GHBHC-C01/2T	LED	LED-ARRAY-SMD_4P-L1.6-W1.6-BR-RD	1	LCSC	C264504	19-137/R6GHBHC-C01/2T
14	XL-1608SURC-06	PWR	LED0603-RD_RED	1	LCSC	C965799	XL-1608SURC-06
15	MMDT3904V	Q1,Q2	SOT-563_L1.6-W1.2-P0.50-LS1.6-BR	2	LCSC	C2919809	MMDT3904V KAP
16	10kΩ	R1,R2,R3,R4,R5,R13	R0402	6	LCSC	C25744	0402WGF1002TCE
17	150Ω	R6,R10	R0603	2	LCSC	C22808	0603WAF1500T5E
18	120Ω	R7	R0603	1	LCSC	C22787	0603WAF1200T5E
19	82Ω	R8,R9	R0603	2	LCSC	C23255	0603WAF820JT5E
20	220Ω	R11	R0603	1	LCSC	C22962	0603WAF2200T5E
21	6.8kΩ	R12	R0402	1	LCSC	C25917	0402WGF6801TCE
22	1kΩ	R14,R18,R19	R0402	3	LCSC	C11702	0402WGF1001TCE
23	XL-1608UGC-04	RX,TX	LED0603-RD_GREEN	2	LCSC	C965804	XL-1608UGC-04
24	ESP32-S3-WROOM-1(N8R2)	U1	WIRELM-SMD_ESP32-S3-WROOM-1_ATTHUN_ESP32	1	LCSC	C2913204	ESP32-S3-WROOM-1(N8R2)
25	FT232RQ	U2	QFN-32_L5.0-W5.0-P0.50-BL-EP	1	LCSC	C14090	FT232RQ
26	AMS1117-3.3	U3	SOT-89_L4.5-W2.5-P1.50-LS4.2-BR	1	LCSC	C347256	AMS1117-3.3_C347256
27	AMS1117-5.0	U4	SOT-223_L6.5-W3.5-P2.30-LS7.0-BR	1	LCSC	C6187	AMS1117-5.0	1466676067
28	CH224K	U6	ESSOP-10_L4.9-W3.9-P1.0-LS6.0-TL-EP	1	LCSC	C970725	CH224K
29	TYPE-C 16PIN 2MD(073)	USB	USB-C-SMD_TYPE-C-6PIN-2MD-073	1	LCSC	C2765186	TYPE-C 16PIN 2MD(073)