HardLabs

TFRPM01

ThunderFly-aerospace·TFRPM01·hw/sch_pcb/TFRPM01.kicad_pcb

TFRPM01 PCB layout, top view — open source board by ThunderFly-aerospace

About the TFRPM01 PCB

TFRPM01 is an open source PCB design by ThunderFly-aerospace, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 37.5 × 19 mm, with 21 components from 16 distinct parts.

Other key parts include the PCF8583T, SN74LVC1G14QDCKRQ1 and MIC5504-3.3YM5. By type, the board carries 6 capacitors, 6 resistors, 3 ICs, 3 connectors and 3 diodes.

It belongs with the sensors, robotics & motion and test & measurement designs in this gallery.

From the project

Revolutions per minute (RPM) meter for UAV, rotors, wheels and engines.

Compatible with multiple probe types, including Hall effect and optical probes. See the TFPROBE01 and TFRPM01 documentation for details.

Third-party hall probe sensors could also be used; here is an example of a suitable generic hall probe with a mounting flange.

Supported by PX4 firmware. Setup instructions are available in the PX4 documentation.

TFRPM01, from the project README
From the project README

Main components on the TFRPM01

PCF8583TSN74LVC1G14QDCKRQ1MIC5504-3.3YM5

TFRPM01 bill of materials (BOM)

21 components, 16 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
PCF8583T
U1
1
SN74LVC1G14QDCKRQ1
U2
1
MIC5504-3.3YM5
U3
1
DS1022-1*40RDF11-B
J1
2
SM04B-GHS-TB
J2, J3
1
BZX585-B5V6.115
D1
1
KPTR-3216SURCK
D2
1
KPTR-3216CGCK
D3
1
1UF
1uF
C1
2
10uF
C2, C3
3
100nF
C4, C5, C6
1
22K
22k
R1
1
82R
R2
2
10k
R3, R10
1
51R
R4
1
130R
R5

TFRPM01 design files

The KiCad project lives in the ThunderFly-aerospace/TFRPM01 repository on GitHub; these links point at the commit this page was built from.

TFRPM01: common questions

How big is the TFRPM01 PCB?

The TFRPM01 measures 37.5 × 19 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the TFRPM01?

21 components, from 16 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 TFRPM01 design files?

From the ThunderFly-aerospace/TFRPM01 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 TFRPM01 design in my own project?

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

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