LoRa Node SMA

Ongoing

STD LoRa Node SMA

License: CC BY-NC-SA 3.0

Mode:

Editors' pick

Cloned from LoRa_Node

Update time： 2023-10-01 07:55:53

Creation time： 2022-03-24 17:35:36

Description

LoRa node based on RFM95 transmitter and atmega328p. SHT30 temperature sensor. Standby power consumption 10 µA.

Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	100nF	C1,C19,C2,C3,C25,C26,C22,C4,C5,C7,C9,C10,C11,C12,C15,C13	C0603	16
2	USBLC6	D4	SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL	1
3	470Ω	R1	R0603	1
4	5.1kΩ	R3,R4	R0603	2
5	1kΩ	R22,R24,R11,R12	R0603	4
6	2kΩ	R23,R25	R0603	2
7	CH340C	U3	SOP-16_L10.0-W3.9-P1.27-LS6.0-BL	1
8	TYPE-C-31-M-12	USBC1	USB-C_SMD-TYPE-C-31-M-12	1
9	10K	R7,R9,R10,R8	R0603	4
10	GT-TC029B-H025-L1N	SW1	SW-SMD_L3.9-W2.9-P4.15-LS5.0	1
11	ATMEGA328P-AU	U4	TQFP-32_L7.0-W7.0-P0.80-LS9.0-BL	1
12	ICSP	U6	PROGRAMMING PINS	1
13	8MHz	X1	OSC-SMD_3P-L3.2-W1.3-P1.2-L	1
14	RFM95W#SMD	1	WIRELESS-LORA-RFM95W#SMD	1
15	2.2uF	C23,C24,C6,C8,C14,C16,C17,C20,C21	C0603	9
16	RocketScreamKicadLibrary_JUMPER-1-WAY	JP1,JP2,JP3,JP4	JUMPER-1-WAY-SMD	4
17	Green	LED3,LED1	LED0603-R-RD	2
18	RED	LED4,LED2	LED0603-R-RD	2
19	330Ω	R26,R27	R0603	2
20	BWSMA-KE-P001	RF1	SMA-SMD_BWSMA-KE-P001	1
21	Battery +	B+	WIREPAD_SMD1,27-2,54	1
22	Battery -	B-	WIREPAD_SMD1,27-2,54	1
23	SS14_C112424	D1,D2	SMA_L4.4-W2.6-LS5.0-RD	2
24	IN_+	IN_+5V	WIREPAD_SMD1,27-2,54	1
25	IN_GND	IN_GND	WIREPAD_SMD1,27-2,54	1
26	470kΩ	R13,R14,R15,R16,R17,R18,R20,R21	R0603	8
27	10Ω	R19	R0603	1
28	SK-3296S-01-L3	SW2	SW-SMD_SK-3296S-01-L3	1
29	HE9073A30M5R	U1	SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BL	1
30	HE9073A33MR	U2	SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR-CW	1
31	TP4056	U7	ESOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP	1
32	0	R2	R0603	1
33	SHT30-DIS-B	SHT30	DFN-8_L2.5-W2.5-P0.50-BL-EP	1