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Protek 506 Bluetooth

Retro-Fitt·Protek-506-Bluetooth·BLUETOOH_PROTEK_506_SCHEMATIC/BLUETOOTH_PROTEK_506_V2/PROTEK_506_V2.kicad_pcb

Protek 506 Bluetooth PCB layout, top view — open source board by Retro-Fitt

About the Protek 506 Bluetooth PCB

Protek 506 Bluetooth is an open source PCB design by Retro-Fitt, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 25.9 × 25.3 mm, with 15 components from 11 distinct parts.

Other key parts include the MAX3232, AMS1117-5.0 and AMS1117-3.3. By type, the board carries 8 capacitors, 3 ICs, 2 resistors, 1 connector and 1 diode.

It belongs with the test & measurement, iot & wireless and power & battery designs in this gallery.

From the project

Protek 506 Multimeter Serial to Bluetooth Interface For PC

While i was browsing internet flea markets, stumbled upon a PROTEK 506 Multimeter which was reasonable price, purchased and repaired it. While repairing and using it i decided to design a wireless (bluetooh) interface for onboard RS232 port. It belongs to 90's according to IC's on DMM mainboard but it is still a good multimeter with unique diode function and PC connection. As you can see my multimeter has had a very tough life before...

Protek 506 Bluetooth, from the project README
From the project README

Main components on the Protek 506 Bluetooth

MAX3232AMS1117-5.0AMS1117-3.3

Protek 506 Bluetooth bill of materials (BOM)

15 components, 11 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MAX3232
U8
1
AMS1117-5.0
U9
1
AMS1117-3.3
U10
1
CONN_01X06_PIN
Conn_01x06_Pin
J3
1
3.3VLED
D2
1
C1591
0.1uf 100nf
C6
1
C1622
0.047uf 47nf
C7
3
C5139492
0.33uf 330nf
C8, C9, C10
3
C86020
1µ
C11, C12, C13
1
510R
R3
1
10K
R16

Protek 506 Bluetooth design files

The KiCad project lives in the Retro-Fitt/Protek-506-Bluetooth repository on GitHub; these links point at the commit this page was built from.

Protek 506 Bluetooth: common questions

How big is the Protek 506 Bluetooth PCB?

The Protek 506 Bluetooth measures 25.9 × 25.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Protek 506 Bluetooth?

15 components, from 11 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 Protek 506 Bluetooth design files?

From the Retro-Fitt/Protek-506-Bluetooth 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 Protek 506 Bluetooth design in my own project?

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

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