ESPBat

Ongoing

STD ESPBat

Audio

2.4G/RF

Analog

License:

Mode:

Editors' pick

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Update time： 2021-05-17 00:06:55

Creation time： 2020-12-02 22:35:12

Description

DIY Bat recorder based on an ESP32 Github link : [https://github.com/dbrouste/ESPBAT/wiki](https://github.com/dbrouste/ESPBAT/wiki) Simulation results ([https://github.com/dbrouste/ESPBAT/tree/main/TinaTi%20Simulation]) Amp 52dB 15kHz to 280kHz Noise S/N 97dB(30kHz), 82dB(100kHz), 75dB(250kHz) THD 0.003436%(50Hz) DAC 16-bit, 500-kSPS

Design Drawing

schematic diagram

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ESPBAT
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PCB

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PCB_2021-01-29_13-41-49
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	104031-0811	J3	MOLEX_104031-0811	1
2	EN11-VSM1AF20	SW1	EN11-VSM1AF20	1
3	C92159	H3	HDR-TH_3P-P2.54-H-M-BW7.2-P	1
4	REF3433	U9	SOT-23-6	1
5	210S-1*2P L=11.6MMGold-plated black	H2	HDR-TH_2P-P2.54-V	1
6	DS3231MZ+	U7	SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL	1
7	MAX98357	M1	MAX98357-MODULE	1
8	3.9K	R3	R0603	1
9	10uF	C28,C30,C31,C2,C19,C47,C48	C0805	7
10	82K	R38	R0603	1
11	ADP7183	U6	LFCSP-8_2X2X05P	1
12	Header-Male-2.54_1x6	H1	HDR-TH_6P-P2.54-V	1
13	NCP163ASN330T1G	U1	TSOT-23-5_L2.9-W1.6-P0.95-LS2.8-BL	1
14	1.5K	R34	R0603	1
15	TPS65133DPDR	U4	WSON-12_L3.0-W3.0-P0.45-BL-EP	1
16	4.7	R29,R27	R0603	2
17	100nF	C3,C15,C20,C17,C21,C11,C23,C4,C40,C42,C43	C0603	11
18	HDR-M-2.54_1x1	J1	HDR-M-2.54_1X1	1
19	OPA836IDBVR	U3	SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL	1
20	47nF	C5	C1210	1
21	150	R30,R9,R10,R11,R12,R13,R14,R15,R16,R17,R18	R0603	11
22	ADM7170ACPZ-R2	IC1	SON50P300X300X80-9N	1
23	11K	R35,R4	R0603	2
24	4.7uH	L6,L1	L1008	2
25	1K	R23,R28,R6,R7	R0603	4
26	4.7K	R32	R0805	1
27	JACK 3.5mm	J2	MY_3.5MM_JACK	1
28	ICS-40730	U8	ICS-40730	1
29	‎ADS8319IDGST	U2	MSOP-10	1
30	150K	R36	R0805	1
31	24K	R19	R0805	1
32	Header-Female-2.54_1x3	P2	HDR-TH_3P-P2.54-V	1
33	LMH6629MFE/NOPB	U5	SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BL	1
34	EG1213	SW2	SW-TH_EG1213	1
35	10K	R1,R20,R21,R22,R8,R31	R0805	6
36	100pF	C16	C0603	1
37	10nF	C12	C1812	1
38	220nF	C6	C1206	1
39	22K	R37	R0805	1
40	1uF	C7,C8,C1,C13,C18,C22,C24,C25,C26,C29,C9,C10,C41,C44,C45,C46	C0805	16
41	47	R2	R0603	1
42	HDR-M-2.54_1x4	J5	HDR-M-2.54_1X4	1
43	Header-Female-2.54_1x6	P1	HDR-TH_6P-P2.54-V-F	1
44	ESP32 TTGO-T-Display	U14	TTGO-T-DISPLAY-OL	1
45	10nF	C14	C0805	1