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Created by Wijnand on 2018-12-11 09:25:06

Description: This iot_battery_sensor board v1.1 is intended as piggyback/hat for the iot_lora board.
(see: iot_lora_v3)

Power alternatives are: CR2032/2xAAA controlled by TPS61291, TPL5111 and/or TPS22860.
The booster (TPS22860) can be bypassed.

BOM
1 x 10uF
1 x 3,3uH
1 x TPS61291
1 x 22uF
1 x TPS22860
3 x 0.1uF
1 x TPL5111
1 x 56K
1 x 10K
2 x 4K7
2 x pin header 1x1
2 x pin header 1x2
1 x pin header 1x4
1 x pin header 2x7
1 x AAA box (€0.57)

Connections for sensors are:
GPS6MV2, (€4.15)
BME680 (€9.03)
BME280 (€2.67)
BMP280 (€0.72)
BMP180 (€0.58)
MAX44009 (€1.54)
TMP35GT9Z (€1.25)
DS18B20 (€0.80)

ATTENTION: This is version V1.0, not tested yet (is in order). Improvements, suggestions? Let me know!

ATTENTION: Added to version V1.1 are connections for the sensors CCS811 and MAX44009.

License: CC-BY 4.0
Project URL: http://alf4all.demon.nl/engineering/topics/digital_system_design/targets/Arduino-Pro-Mini_RFM95/index.htm
Board Revision: V2
Tags: iot

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Board Images:

Top View - Complete Board

Top View - Complete Board

This is what your finished board will look like from the top.

Bottom View - Complete Board

Bottom View - Complete Board

This is what your finished board will look like from the bottom.

Board Outline

Board Outline

This shows the outline of your board, it will be cut to this shape.

Top Copper Layer

Top Copper Layer

This shows where the copper will remain after etching the top of the board.

Bottom Copper Layer

Bottom Copper Layer

This shows where the copper will remain after etching the bottom of the board. (mirrored)

Top Soldermask

Top Soldermask

This shows where soldermask will be applied on the top over the bare copper board.

Bottom Soldermask

Bottom Soldermask

This shows where soldermask will be applied on the bottom over the bare copper board. (mirrored)

Top Silkscreen

Top Silkscreen

This is the white print that will be printed on the top of the board.

Bottom Silkscreen

Bottom Silkscreen

This is the white print that will be printed on the bottom of the board. (mirrored)

Drill Holes

Drill Holes

This shows all the holes that will be drilled in your board.

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