ESP32 Devboard

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STD ESP32 Devboard

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Update time： 2022-03-03 12:56:23

Creation time： 2019-01-10 13:43:01

Description

This is a dev board based on the ESP32. It can be connected to the computer via usb for programming and includes base periphery. No need to add tourblesome wires and add-ons for prototyping. Main features: - Gyro / Accelerometer (MPU-6050) - 1 Main Output Control - 1 push button (debounced by hardware) - 1 rotary/push button (debounced by hardware) - Micro SD Slot - IR-Sender / Receiver - Audio out (via PCM5102 / I2S) - 64Mb Flash - RFM69/RFM95 slot - Micro SD card slot - SPI connector - I2C connector - USB connector (based on CH340) see also https://github.com/2ni/esp32-devboard for code.

Design Drawing

schematic diagram

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Main
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Periphery
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PCB

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PCB
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	CH340G	U1	SOIC-16_150MIL	1
2	12M	X1	3213	1
3	S8050	Q1,Q2	SOT-23(SOT-23-3)	2
4	10k	R1,R2,R38,R39,R3,R15,R16,R17,R18,R19,R20,R8,R9,R12,R23,R28	0603	16
5	MICRO USB	USB2	MICRO-USB-1	1
6	1uF	C28	CASE-A_3216	1
7	2.2uF	C29	CASE-A_3216	1
8	AO3401A	Q3	SOT-23(SOT-23-3)	1
9	Power Ext 2.8-6.5V	P2	HDR-2X1/2.54	1
10	Power direct 3.3	P1	HDR-2X1/2.54	1
11	Serial	P19	HDR-4X1/2.54	1
12	2.2nF	C42,C9,C10	0805	3
13	Power 3.3	SJ12	PAD-JUMPER-2-NC_BY_TRACE_YES_SILK	1
14	Serial power	SJ1	PAD-JUMPER-2-NC_BY_TRACE_YES_SILK	1
15	RST	SW1	SMD-4.2X3.2X2.5	1
16	E0	SW2,SW4	SMD-4.2X3.2X2.5	2
17	10uF	C41	0603	1
18	10pF	C30,C31,C32,C33	0603	4
19	1uF	C3,C39,C18,C7	0603	4
20	IPEX	X2	IPEX-20279-001E	1
21	Flash power	SJ10	PAD-JUMPER-3-2OF3_NC_BY_TRACE_YES_SILK_FULL_BOX	1
22	IR/MPU selector	SJ13	PAD-JUMPER-3-2OF3_NC_BY_TRACE_YES_SILK_FULL_BOX	1
23	10nF	C25,C45	0603	2
24	26MHz/9pF	X4	SMD-2016_4P	1
25	32.768KHz/9pF	X3	SMD-2012_2P	1
26	100pF	C40	0603	1
27	2.7nH	L1	0603	1
28	100nF	C2,C34,C35,C36,C37,C38,C46,C43,C6,C11,C12,C13,C16,C17,C5	0603	15
29	22uF	C1	0805	1
30	Shottky	D2	SOD-323	1
31	Flash 64Mb	U3	SOP-8	1
32	5.6pF	C21	0603	1
33	2.4pF	C24	0603	1
34	750mA	F1,F2	0603	2
35	0	R26,R27	0603	2
36	MPU-6050	U9	QFN-24_4X4X05P	1
37	3nF	C23	0603	1
38	XC6210B332MR	U8	SOT-23-5	1
39	ANTENNA_DN002	ANT1	DN007	1
40	ESP32	U10	QFN-48_6X6X04P	1
41	270pF	C26,C27	0603	2
42	20k	R35	0603	1
43	1M	R5,R25,R34	0603	3
44	OUT	CN1	EK508V-02P	1
45	SOD4007-SH	D4	SOD-123F	1
46	BSS138	Q10	SOT-23(SOT-23-3)	1
47	IRrec always on	SJ11	PAD-JUMPER-2-NC_BY_PASTE_YES_SILK_FULL_BOX	1
48	LED on	SJ7	PAD-JUMPER-2-NC_BY_TRACE_YES_SILK	1
49	74HC14D	U5	SOIC-14_150MIL	1
50	PCM5102APWR	U6	TSSOP-20	1
51	100k	R10	0603	1
52	Blue	LED1	0603	1
53	IR333C-A	U2	LED-5MM-2.54MM	1
54	100	R4,R24,R33,R7	0603	4
55	EC11E18244AU	SW3	SW-DIP-11.7X12	1
56	headphone	J2	AUDIO-PJ320	1
57	10uF	C8,C19,C22	CASE-A_3216	3
58	MEM2302XG	Q4,Q5	SOT-23(SOT-23-3)	2
59	NCP703	U7	TSOP-5	1
60	33nF	C20,C4	0603	2
61	470	R21,R22	0603	2
62	I2C	JP2	HDR-4X1/2.54	1
63	24Ω	R6	1206	1
64	Antenna	P5	HDR-1X1/2.54	1
65	330	R40	0603	1
66	Deemphasis	SJ8	SOLDER JUMPER 3 PAD	1
67	Latency	SJ9	SOLDER JUMPER 3 PAD	1
68	SD Card	J1	MICRO SD TF-01	1
69	RFM69HCW 868MHz	U4	RFM69HCW-XXXS2	1
70	TSOP34838	CGQ2	TSOP34838	1
71	OUT power	SJ4	PAD-JUMPER-3-NO_YES_SILK	1
72	SPI	P4	HDR-4X2/2.54	1
73	2.2uF	C14,C15	0603	2