ESP32 MODBUS RTU Module

Ongoing

STD ESP32 MODBUS RTU Module

License: MIT

Mode:

Editors' pick

Update time： 2021-09-20 11:28:03

Creation time： 2021-08-09 01:03:29

Description

Battery powered low power MODBUS/I2C communication using ESP32

Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	TS-1185-B-A-A-A	BUTTON,RST,SW	SW-SMD_L4.0-W3.0-LS5.0-EH	3
2	100nF	C1	C0805	1
3	1uF	C2,C5,C6	C0805	3
4	22uF	C3,C4	C0805	2
5	SSB43L-E3/52T	D4	SMB(DO-214AA)	1
6	18650	GB1,GB2,GB3	18650X1-HOLDER	3
7	22uH	L1	IND-SMD_L7.0-W6.8	1
8	FS8205	Q1	SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR	1
9	DMG3415U-7	Q2	SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR-CW	1
10	100	R1	R0805	1
11	2k	R2	R0805	1
12	43k	R3	R0805	1
13	820k	R4	R0805	1
14	10k	R5	R0805	1
15	100k	R6,R7	R0805	2
16	820K	R8	R0805	1
17	90K	R9	R0805	1
18	2.2K	R10	R0805	1
19	ESP32-WROOM-32UE(16MB)	U1	WIFI-SMD_ESP32-WROOM-32UE-LONG-PADS	1
20	RS485 RTU to Serial	U2	RS485_RTU_SERIAL	1
21	FS312F-G	U3	SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR	1
22	MT3608	U4	SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR	1
23	MCP1703T-3302E/MB	U5	SOT-89-3_L4.5-W2.5-P1.50-LS4.2-BR	1
24	1041880210	U6,U7,U8,U9	CONN-SMD_1041880210	4
25	TPL5110DDCT	U11	TSOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR	1