HardLabs

HB-UNI-Sen-CAP-MOIST

stan23·myPCBs·HB-UNI-Sen-CAP-MOIST-T/HB-UNI-Sen-CAP-MOIST.kicad_pcb

HB-UNI-Sen-CAP-MOIST PCB layout, top view — open source AVR/Arduino board by stan23

About the HB-UNI-Sen-CAP-MOIST PCB

HB-UNI-Sen-CAP-MOIST is an open source AVR/Arduino PCB design by stan23, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 32 × 58 mm, with 38 components from 30 distinct parts.

Its main chip is the ATMEGA328-AU, from the AVR/Arduino family. Other key parts include the CC1101, MAX1724 and DS18B20. By type, the board carries 12 capacitors, 7 resistors, 6 connectors, 4 ICs, 2 transistors and 2 inductors.

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

From the project

Verschiedene Platinen für HomeMatic, AskSinPP und SmartHome

Eine Platine für bis zu 3 Bodenfeuchtigkeitssensoren und einen Temperatursensor.

Die Idee und die Software stammt wieder mal von Jérôme. Weiterer Dank geht an pa-pa für AskSinPP, sowie an Alex und Tom für Ideen zur Schaltung.

Die Spannungsversorgung kann mit einer oder zwei AAA oder AA Zellen realisiert werden, die über einen Step-Up-Regler auf 3,3 V stabiliert wird. Der Step-Up-Regler wird entweder auf der Platine diskret mit einem MAX1724 (Option 2) aufgebaut, oder ein Modul mit einem BL8530 verwendet (Option 1).

HB-UNI-Sen-CAP-MOIST, from the project README
From the project README

Main components on the HB-UNI-Sen-CAP-MOIST

ATMEGA328-AUCC1101MAX1724DS18B20

HB-UNI-Sen-CAP-MOIST bill of materials (BOM)

38 components, 30 distinct parts.

QtyPartRefs
1
ATMEGA328-AU
U1
1
CC1101
U2
1
MAX1724
U3
1
DS18B20
U4
1
IRLML6344
Q1
1
IRLML5203
Q2
1
32 kiHz
Y1
1
FTDI
J1
1
ISP
J2
1
BL8530
J3
1
Sen1
J11
1
Sen2
J12
1
Sen3
J13
1
Battery
BT1
1
PTC 6V/250mA
F1
1
Config
SW1
1
LED
D1
1
LQH43CN100K03L
L1
1
BLM21AG601
L2
3
10u
C1, C10, C12
Show 10 more
QtyPartRefs
5
100n
C2, C3, C4, C5, C11
1
1u
C6
2
12p
C7, C8
1
22u
C13
1
10k
R1
1
10/30
R2
1
10
R3
2
4k7
R4, R6
1
1k5
R5
1
100k
R7

HB-UNI-Sen-CAP-MOIST design files

The KiCad project lives in the stan23/myPCBs repository on GitHub; these links point at the commit this page was built from.

HB-UNI-Sen-CAP-MOIST: common questions

What microcontroller does the HB-UNI-Sen-CAP-MOIST use?

The HB-UNI-Sen-CAP-MOIST is built around the ATMEGA328-AU, from the AVR/Arduino family.

How big is the HB-UNI-Sen-CAP-MOIST PCB?

The HB-UNI-Sen-CAP-MOIST measures 32 × 58 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the HB-UNI-Sen-CAP-MOIST?

38 components, from 30 distinct parts. The full bill of materials is listed on this page.

Where can I download the HB-UNI-Sen-CAP-MOIST design files?

From the stan23/myPCBs repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the HB-UNI-Sen-CAP-MOIST design in my own project?

It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.

Can I test firmware for the HB-UNI-Sen-CAP-MOIST 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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