ESP32 SIM800L RFM95 ST7735S RTC

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STD ESP32 SIM800L RFM95 ST7735S RTC

License: GPL 3.0

Mode:

Editors' pick

Update time： 2022-01-03 21:17:43

Creation time： 2021-10-28 09:25:42

Description

// ESP32 SIM800L RFM95 ST7735S RTC

IoT Weather Station focused on Air Quality Meassurement.
It integrates LoRa Mesh communication along with WiFi

Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Quantity
1	LEVEL-SHIFTER-4CH	1	1
2	1u	C1,C4,C5,C7,C10	5
3	.1u	C2	1
4	1u	C3,C6,C8	3
5	I2C	J1,J9	2
6	I2C 3.3V	J2	1
7	MIC	J3	1
8	SPK	J4	1
9	RING	J5	1
10	SVP-SVN	J6	1
11	IO	J7	1
12	I2C +5V	J8	1
13	UART	J10	1
14	PROG-MODE	J12	1
15	RST	J13	1
16	Vin Select	J34	1
17	SMA RFM95W	J$1	1
18	SMA SIM800L	J$2	1
19	SIM800L MODULE COPY	M1	1
20	VBat	P1	1
21	RFM95w RS	P2	1
22	ESP32_IO	P3,P4	2
23	RFM95w LS	P5	1
24	2.4K	R11,R12	2
25	10K	R23	1
26	MP1684EN Step-Down Module	U1,U6	2
27	RFM95W_LOKY	U2	1
28	TFT 1.8 ST7735S	U3	1
29	ESP32-S	U5	1
30	MCP1827S-3302EAB	U7	1
31	PMS5003S	CN1	1
32	PMS5003ST	CN2	1
33	PMS5003 PM2.5 Sensor	PMS1	1
34	Laser Dust Sensor pm2.5 PMS3003	U4	1
35	PM2.5 Sensor Adapter	U8	1
36	sen0177	U9	1
37	Plantower PM2.5Air	U10	1