HardLabs

Tem

sufst·pcb·tem/tem.kicad_pcb

Tem PCB layout, top view — open source PIC board by sufst
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About the Tem PCB

Tem is an open source PIC PCB design by sufst, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 282 × 44 mm, with 101 components from 29 distinct parts.

Its main chip is the AP2112K-3.3, from the PIC family. Other key parts include the CH340C and XL1509-5.0. By type, the board carries 41 capacitors, 32 resistors, 17 connectors, 8 fuses and 3 ICs.

From the project

Monorepo for all schematics and PCB designs

We design our PCBs in KiCad (version 8+).

Files that should be in this repo, under version control: - Project files (.kicadpro). - Schematic files (.kicadsch). - PCB files (.kicadpcb). - Custom footprints (.kicadmod). - Custom symbols (.kicadsym). - Footprint library tables (fp-lib-table). - Symbol library tables (sym-lib-table). - 3D models of components (.step files). - Simulation code (e.g. .asc` files from LTSpice).

Main components on the Tem

AP2112K-3.3CH340CXL1509-5.0

Tem bill of materials (BOM)

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

QtyPartRefs
1
AP2112K-3.3
~
U1
1
CH340C
MAX3051ESA+
U2
1
XL1509-5.0
AZ1117CH-3.3TRG1
U3
1
USB_C_RECEPTACLE_USB2.0_16P
Conn_01x04_Pin
J1
11
CONN_01X04
Conn_01x04_Pin
J2, J3, J4, J5, J6, J7, J8, J9 +3
1
CONN_01X04
Conn_01x05_Pin
J13
1
CONN_01X02
Conn_01x02_Pin
J14
3
Conn_01x02_Pin
J15, J16, J17
2
SCHURTER 3403.0156
F1, F2
6
T0603FF0250TM
F3, F4, F7, F8, F9, F10
2
1UF
100n
C1, C4
1
10NF
100n
C2
3
10UF
100n
C3, C8, C10
1
470UF
100n
C5
2
100NF
100n
C6, C9
1
100UF
100n
C7
1
180UF
100n
C11
17
100n
C12, C13, C14, C15, C16, C17, C18, C19 +9
1
4.7n
C29
1
100u
C30
Show 9 more
QtyPartRefs
3
10u
C31, C32, C41
8
~
C33, C34, C35, C36, C37, C38, C39, C40
2
10k
R1, R2
9
10K
10k
R3, R4, R5, R8, R9, R22, R23, R24 +1
2
5.1K
10k
R6, R7
12
51K
10k
R10, R11, R12, R13, R14, R15, R16, R17 +4
2
10K
60R
R25, R26
4
10K
0
R30, R31, R32, R33
1
10K
12
R34

Tem design files

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

Tem: common questions

What microcontroller does the Tem use?

The Tem is built around the AP2112K-3.3, from the PIC family.

How big is the Tem PCB?

The Tem measures 282 × 44 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Tem?

101 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 Tem design files?

From the sufst/pcb 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 Tem design in my own project?

Yes, under the terms of its GPL-3.0 license, which sufst chose for the repository.

Can I test firmware for the Tem without the hardware?

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

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