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Teapotlabs BWLR1E Programmer

teapotlaboratories·bwlr1e·hardware/programmer/kicad/bwlr1e-prog.kicad_pcb

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

Teapotlabs BWLR1E Programmer 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 42 components from 27 distinct parts.

Other key parts include the MCP73831T-2ACI/OT, USBLC6-2P6, XC6220B331MR-G and CH340E. By type, the board carries 9 test points, 9 capacitors, 8 resistors, 4 ICs, 4 connectors and 3 switches.

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 Programmer, from the project README
From the project README

Main components on the Teapotlabs BWLR1E Programmer

MCP73831T-2ACI/OTUSBLC6-2P6XC6220B331MR-GCH340E

Teapotlabs BWLR1E Programmer bill of materials (BOM)

42 components, 27 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MCP73831T-2ACI/OT
Microchip
U1
1
USBLC6-2P6
STMicroelectronics
U2
1
XC6220B331MR-G
Torex Semiconductor
U3
1
CH340E
WCH
U4
1
AO3407A
Alpha & Omega Semicon
Q1
1
U262-161N-4BVC11
XKB Connectivity
J1
1
PZ254-1-08-W-8.5
PinHeader_1x08_P2.54mm_Horizontal
HCTL
J2
1
U262-161N-4BVC11
PinHeader_1x02_P2.54mm_Horizontal
XKB Connectivity
J3
1
PZ254R-11-02P
PinHeader_1x02_P2.54mm_Horizontal
XFCN
J4
1
S2B-PH-SM4-TB
JST
BT1
1
SMD0805P075TF
0.75A
RUILON
F1
1
A6H-4101
Omron
SW1
2
TL3342F160QG
E-Switch
SW2, SW3
9
90055-AS
Preci-Dip
TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +1
1
E6C0603SEAC1UDA
ORANGE
EKINGLUX
D1
1
MMZ1608B601CTAH0
TDK
FB1
2
T520B337M006ATE040
330u
KEMET
C1, C2
1
CL10A106KP8NNNC
10u
Samsung Electro-Mechanics
C3
1
CC0402KRX7R9BB103
10n
YAGEO
C4
1
CC0402KRX5R6BB104
100n
YAGEO
C5
Show 7 more
QtyPartRefs
3
CL21A106KPFNNNE
10u
Samsung Electro-Mechanics
C6, C7, C8
1
CC0603KRX7R6BB104
100n
YAGEO
C9
2
0603WAF1002T5E
10K
UNI-ROYAL(Uniroyal Elec)
R1, R8
1
0603WAF5101T5E
5.1K
UNI-ROYAL(Uniroyal Elec)
R2
1
0603WAF2001T5E
2K
UNI-ROYAL(Uniroyal Elec)
R3
2
0603WAF1001T5E
1K
UNI-ROYAL(Uniroyal Elec)
R4, R7
2
0402WGF5101TCE
5.1K
UNI-ROYAL(Uniroyal Elec)
R5, R6

Teapotlabs BWLR1E Programmer 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 Programmer: common questions

How big is the Teapotlabs BWLR1E Programmer PCB?

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

How many components are on the Teapotlabs BWLR1E Programmer?

42 components, from 27 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 Programmer 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 Programmer design in my own project?

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

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