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I2c moist sensor pannel

Miceuz·i2c-moisture-sensor

I2c moist sensor pannel PCB layout, top view — open source AVR/Arduino board by Miceuz
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About the I2c moist sensor pannel PCB

I2c moist sensor pannel is an open source AVR/Arduino PCB design by Miceuz, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 100 × 150 mm, with 22 components from 15 distinct parts.

Its main chip is the ATTINY441-SSU, from the AVR/Arduino family. By type, the board carries 8 resistors, 6 capacitors, 3 diodes, 1 IC, 1 crystal and 1 connector.

It belongs with the sensors designs in this gallery.

From the project

I2C based soil moisture sensor

I2C based soil moisture sensor. A continuation of the Chirp - plant watering alarm project. There is also an RS485 and an analog version available.

Name | Register | R/W | Data length -------|----------|-----|------------- GETCAPACITANCE | 0x00 | (r) | 2 SETADDRESS | 0x01 | (w) | 1 GETADDRESS | 0x02 | (r) | 1 MEASURELIGHT | 0x03 | (w) | 0 GETLIGHT | 0x04 | (r) | 2 GETTEMPERATURE | 0x05 | (r) | 2 RESET | 0x06 | (w) | 0 GETVERSION | 0x07 | (r) | 1 SLEEP | 0x08 | (w) | 0 GETBUSY | 0x09 | (r) | 1

Main components on the I2c moist sensor pannel

ATTINY441-SSU

I2c moist sensor pannel bill of materials (BOM)

22 components, 15 distinct parts.

QtyPartRefs
1
ATTINY441-SSU
IC1
1
16MHz
X1
1
CONN_02X03
P1
1
Val**
PIN_SOCKET_4
1
NCP18XH103F03RB
TH1
2
BAT54
D1, D2
1
LED
D3
1
33p
C1
1
33pp
C2
2
1u
C3, C6
2
1n
C4, C5
1
10k
R1
1
10k 0.1%
R2
2
330
R4, R9
4
1M
R5, R6, R7, R8

I2c moist sensor pannel design files

The KiCad project lives in the Miceuz/i2c-moisture-sensor repository on GitHub; these links point at the commit this page was built from.

I2c moist sensor pannel: common questions

What microcontroller does the I2c moist sensor pannel use?

The I2c moist sensor pannel is built around the ATTINY441-SSU, from the AVR/Arduino family.

How big is the I2c moist sensor pannel PCB?

The I2c moist sensor pannel measures 100 × 150 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the I2c moist sensor pannel?

22 components, from 15 distinct parts. The full bill of materials is listed on this page.

Where can I download the I2c moist sensor pannel design files?

From the Miceuz/i2c-moisture-sensor repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the I2c moist sensor pannel design in my own project?

Yes, under the terms of its Apache-2.0 license, which Miceuz chose for the repository.

Can I test firmware for the I2c moist sensor pannel without the hardware?

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

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