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Temperature board append

nEDM-TUM·Temperature-Sensor-System·circuit_boards/temperature_board/temperature_board-append.kicad_pcb

Temperature board append layout, top view — open source AVR/Arduino board by nEDM-TUM

About the Temperature board append

Temperature board append is an open source AVR/Arduino PCB design by nEDM-TUM, published on GitHub. It is a 2-layer board measuring 65 × 137 mm, with 97 components from 31 distinct parts.

Its main chip is the ATMEGA88-A, from the AVR/Arduino family. Other key parts include the TSIC50XF and ST485. By type, the board carries 34 resistors, 32 capacitors, 10 ICs, 10 connectors, 5 diodes and 3 switches.

It belongs with the sensors designs in this gallery.

From the project

System for reading/writing temperature sensors

Temperature-Sensor-System ==============

Sensor network system built for the nEDM experiment.

Features ------------------ - Both temperature and humidity sensors can be connected at any sensor socket. The sensor type will be automatically detected. - High temperature and humidity accuracy: Temperature sensors are calibrated to �0.1K and the humidity sensors to �1.8%rH. - A high number of connected sensors is supported. Currently 44 sensors are in use, however the system is designed to support at least 100 sensors and still be able to fulfill a sampling rate of 1Hz. If the sampling rate is…

Main components on the Temperature board append

ATMEGA88-ATSIC50XFST485

Temperature board append bill of materials (BOM)

97 components, 31 distinct parts.

QtyPartRefs
1
ATMEGA88-A
IC1
1
TSIC50XF
U1
8
ST485
U2, U3, U4, U5, U6, U7, U8, U9
1
VAL**
m3_loch
1
20MHz
X1
1
RJ45
J1
2
ISP
P1, P8
1
UART
P2
1
i2c_pow
P3
1
i2c_chain
P4
1
12Vin
P5
1
HOHLBUCHSE
P6
1
Vccin
P7
1
5Vin
P9
1
pow_sel
K1
2
SW_RESET
SW1, SW3
1
SCHALTER_2POL
SW2
2
LED
D1, D2
1
LED3
D3
1
LED4
D4
Show 11 more
QtyPartRefs
1
LED_POW
D5
5
100nF
C1, C2, C4, C5, C6
1
10uF
C3
24
100n
C7, C8, C9, C10, C11, C12, C13, C14 +16
2
10u
C23, C24
1
220
R1
19
22k
R2, R3, R5, R10, R11, R12, R13, R14 +11
10
120
R4, R6, R18, R19, R20, R21, R30, R31 +2
2
2k2
R7, R8
1
10k
R9
1
0
R34

Temperature board append design files

The KiCad project lives in the nEDM-TUM/Temperature-Sensor-System repository on GitHub; these links point at the commit this page was built from.

Temperature board append: common questions

What microcontroller does the Temperature board append use?

The Temperature board append is built around the ATMEGA88-A, from the AVR/Arduino family.

How big is the Temperature board append?

The Temperature board append measures 65 × 137 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Temperature board append?

97 components, from 31 distinct parts. The full bill of materials is listed on this page.

Where can I download the Temperature board append design files?

From the nEDM-TUM/Temperature-Sensor-System repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Temperature board append design in my own project?

The repository has no license, so all rights stay with nEDM-TUM. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Temperature board append 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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