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Bewaesserung

SmartHome-yourself·shys-collection·templates/hardware/bewaesserung/kicad/bewaesserung.kicad_pcb

Bewaesserung PCB layout, top view — open source ESP8266 board by SmartHome-yourself
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About the Bewaesserung PCB

Bewaesserung is an open source ESP8266 PCB design by SmartHome-yourself, published on GitHub under the GPL-2.0 license. It is a 2-layer board measuring 96.5 × 76.2 mm, with 57 components from 29 distinct parts.

Its main chip is the ESP-12F, from the ESP8266 family. Other key parts include the ADS1115IDGS, NCP1117-12_SOT223 and MCP23017_SO. By type, the board carries 16 resistors, 15 connectors, 8 diodes, 6 capacitors, 4 ICs and 4 transistors.

It belongs with the iot & wireless designs in this gallery.

From the project

Ein intelligentes Bewässerungssystem mit 4 kapazitiven Bodenfeuchtesensoren und 4 Pumpen. Das System kann vollständig autonom arbeiten oder in Home Assistant integriert werden. Die Steuerung erfolgt über zwei Taster direkt am Gerät oder über Home Assistant.

Ein intelligentes Bewässerungssystem mit 4 kapazitiven Bodenfeuchtesensoren und 4 Pumpen. Das System kann vollständig autonom arbeiten oder in Home Assistant integriert werden. Die Steuerung erfolgt über zwei Taster direkt am Gerät oder über Home Assistant.

Das Bewässerungssystem nutzt einen ESP8266 ESP-01 (1MB) mit ESPHome in Kombination mit einem MCP23017 GPIO-Expander und einem ADS1115 ADC. Es kann bis zu 4 Pflanzen unabhängig voneinander bewässern und arbeitet dabei komplett autonom oder in Home Assistant integriert.

Bewaesserung, from the project README
From the project README

Main components on the Bewaesserung

ESP-12FADS1115IDGSNCP1117-12_SOT223MCP23017_SO

Bewaesserung bill of materials (BOM)

57 components, 29 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP-12F
U1
1
ADS1115IDGS
U2
1
NCP1117-12_SOT223
U3
1
MCP23017_SO
U4
1
AO3400 - 1
Q1
1
AO3400 - 2
Q2
1
AO3400 - 3
Q3
1
AO3400 - 4
Q4
1
5V Power Input
J1
1
0022232031
Bodenfeuchte Sensor 1
Molex
J2
1
0022232031
Bodenfeuchte Sensor 2
Molex
J3
1
0022232031
Bodenfeuchte Sensor 3
Molex
J4
1
0022232031
Bodenfeuchte Sensor 4
Molex
J5
1
0022232031
Sensor Power Jumper
Molex
J6
1
Pumpe 1
J7
1
Pumpe 2
J8
1
Pumpe 3
J9
1
Pumpe 4
J10
1
67996-412HLF
PIN-OUT
Amphenol ICC (FCI)
J11
1
PWR-OUT
J12
Show 9 more
QtyPartRefs
1
0022232041
I2C
Molex
J13
2
640456-2
TE Connectivity AMP Connectors
J14, J15
4
B3F-1000
Omron Electronics Inc-EMC Div
S1, S2, S3, S4
4
1N4007
D1, D2, D3, D4
4
LED
D5, D6, D7, D8
4
100NF
100nF
C1, C2, C3, C6
2
10UF
10uF
C4, C5
12
10K
10k
R1, R2, R3, R4, R5, R6, R7, R8 +4
4
2,2k
R12, R13, R14, R15

Bewaesserung design files

The KiCad project lives in the SmartHome-yourself/shys-collection repository on GitHub; these links point at the commit this page was built from.

Bewaesserung: common questions

What microcontroller does the Bewaesserung use?

The Bewaesserung is built around the ESP-12F, from the ESP8266 family.

How big is the Bewaesserung PCB?

The Bewaesserung measures 96.5 × 76.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Bewaesserung?

57 components, from 29 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 Bewaesserung design files?

From the SmartHome-yourself/shys-collection 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 Bewaesserung design in my own project?

Yes, under the terms of its GPL-2.0 license, which SmartHome-yourself chose for the repository.

Can I test firmware for the Bewaesserung without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.

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