HardLabs

Teapotlabs BWLR1E

teapotlaboratories·bwlr1e·hardware/main/kicad/bwlr1e.kicad_pcb

Teapotlabs BWLR1E PCB layout, top view — open source board by teapotlaboratories
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About the Teapotlabs BWLR1E PCB

Teapotlabs BWLR1E is an open source PCB design by teapotlaboratories, published on GitHub under the MIT license. It is a 2-layer board measuring 36.8 × 90.9 mm, with 50 components from 32 distinct parts.

Other key parts include the BME688, 309054, AEM10941-QFN and XC6215B332MR-G. By type, the board carries 15 capacitors, 11 resistors, 4 ICs, 4 jumpers, 3 inductors and 2 transistors.

It belongs with the iot & wireless, rf & radio and power & battery designs in this gallery.

From the project

Teapotlabs BWLR1E: Wireless Environmental Sensor with Energy Harvesting from Solar Energy

Teapotlabs BWLR1E is a solar-powered wireless LoRa environmental sensor capable of sensing temperature, humidity, air pressure and air quality using the on-board BME688. With STM32WLE MCU as it's core and AEM10941 for solar charging, the device is capable of multi-year operation with the possibility of indefinite battery-life by utilizing the solar charging capability

Teapotlabs BWLR1E, from the project README
From the project README

Main components on the Teapotlabs BWLR1E

BME688309054AEM10941-QFNXC6215B332MR-G

Teapotlabs BWLR1E bill of materials (BOM)

50 components, 32 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
BME688
Bosch Sensortec
U1
1
309054
RAK3172-T
RAKwireless
U2
1
AEM10941-QFN
AEM10941
e-peas
U3
1
XC6215B332MR-G
XC6215
Torex Semicon
U4
1
AO3407A
Alpha & Omega Semicon
Q1
1
DMG1012UW
TECH PUBLIC
Q2
1
SM04B-SRSS-TB
Qwiic
JST Sales America
J1
1
S2B-PH-SM4-TB
3.7v LiPo
JST
BT1
1
ANT-915-USP410
Linx Technologies Inc.
E1
1
USER0
JP1
1
USER1
JP2
1
SELMPP0
JP3
1
SELMPP1
JP4
4
KXOB25-05X3F
ANYSOLAR Ltd
SC1, SC2, SC3, SC4
1
TL3342F160QG
RESET
E-Switch
SW3
1
TL3342F160QG
BOOT
E-Switch
SW4
1
LTST-C191KRKT
RED
Lite-On
D1
1
LTST-C190KGKT
GREEN
Lite-On
D2
1
0603WAF0000T5E
0
UNI-ROYAL(Uniroyal Elec)
L1
1
LPS4012-103MRC
10u
Coilcraft
L2
Show 12 more
QtyPartRefs
1
MLZ1608M100WT000
10u
TDK
L3
5
CC0603KRX7R6BB104
100n
YAGEO
C1, C3, C5, C11, C12
2
TPSB476K010R0350
47u
KYOCERA AVX
C2, C4
1
GRT188R61A106KE13D
10u
Murata Electronics
C6
1
GRM188R61A226ME15D
22u
Murata Electronics
C7
4
GRT188R61A106KE13D
10u
Murata Electronics
C8, C13, C14, C17
2
DNP
-
C15, C16
1
0603WAF4704T5E
4.7M
UNI-ROYAL(Uniroyal Elec)
R1
4
RC0603JR-0710KL
10K
YAGEO
R2, R3, R6, R7
1
0603WAF1005T5E
10M
UNI-ROYAL(Uniroyal Elec)
R4
3
FRC0603J102TS
1K
FOJAN
R5, R12, R13
2
0603WAJ0105T5E
1M
UNI-ROYAL(Uniroyal Elec)
R8, R9

Teapotlabs BWLR1E design files

The KiCad project lives in the teapotlaboratories/bwlr1e repository on GitHub; these links point at the commit this page was built from.

Teapotlabs BWLR1E: common questions

How big is the Teapotlabs BWLR1E PCB?

The Teapotlabs BWLR1E measures 36.8 × 90.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Teapotlabs BWLR1E?

50 components, from 32 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Teapotlabs BWLR1E design files?

From the teapotlaboratories/bwlr1e repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Teapotlabs BWLR1E design in my own project?

Yes, under the terms of its MIT license, which teapotlaboratories chose for the repository.

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