HardLabs

APRS Bluetooth TNC tracker

hitov·bt-tnc

APRS Bluetooth TNC tracker PCB layout, top view — open source AVR/Arduino board by hitov

About the APRS Bluetooth TNC tracker PCB

APRS Bluetooth TNC tracker is an open source AVR/Arduino PCB design by hitov, published on GitHub. It is a 2-layer board measuring 70 × 40 mm, with 105 components from 48 distinct parts.

Its main chip is the ATMEGA328P-AU, from the AVR/Arduino family. Other key parts include the HC-05, APE8800N, BU33TD3WG, DRA818V and DW01-P. By type, the board carries 34 capacitors, 28 resistors, 11 ICs, 11 diodes, 11 inductors and 6 connectors.

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

From the project

Bluetooth TNC Kicad project

Main components on the APRS Bluetooth TNC tracker

HC-05APE8800NBU33TD3WGATMEGA328P-AUDRA818VDW01-PTP40568205ALM358QUECTEL-L80FDG6342L

APRS Bluetooth TNC tracker bill of materials (BOM)

105 components, 48 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
HC-05
U1
1
APE8800N
U2
1
BU33TD3WG
U3
1
ATMEGA328P-AU
U4
1
DRA818V
U5
1
DW01-P
U6
1
TP4056
U7
1
8205A
U8
1
LM358
U9
1
QUECTEL-L80
Quectel-L80
U10
1
FDG6342L
U11
1
MMBT3904
Q1
1
QKT-3225SMD 16.0000MHz
X1
1
ISP
P1
1
BATTERY
P2
1
SMA
P3
1
USB_OTG
P4
1
U.FL
P5
1
Serial
P6
1
MK12C02
K1
Show 28 more
QtyPartRefs
1
SW_PUSH
SW1
2
Blue LED
D1, D8
1
Red LED
D2
2
Green LED
D3, D4
5
BAT42
D5, D7, D9, D10, D11
1
DNI
D6
7
BLM21PG331SN1D
FB1, FB3, FB4, FB5, FB6, FB7, FB8
1
DNI
FB2
2
56NH
56nH
L1, L3
1
68NH
68nH
L2
19
100NF
100nF
C1, C2, C3, C4, C8, C9, C10, C16 +11
1
10NF
10nF
C5
2
10PF
10pF
C6, C7
1
100UF
100uF
C11
2
20PF
20pF
C12, C18
2
36PF
36pF
C13, C14
5
10UF
10uF
C15, C24, C27, C30, C32
2
DNI
C33, C34
5
10K
10k
R1, R15, R19, R22, R25
3
DNI
R2, R9, R27
1
8K2
8k2
R3
5
100K
100k
R4, R8, R11, R20, R21
1
15K
15k
R5
2
1M
R6, R7
7
1k
R10, R14, R16, R17, R18, R23, R24
1
100
R12
1
1.2K
1.2k
R13
2
0
R26, R28

APRS Bluetooth TNC tracker design files

The KiCad project lives in the hitov/bt-tnc repository on GitHub; these links point at the commit this page was built from.

APRS Bluetooth TNC tracker: common questions

What microcontroller does the APRS Bluetooth TNC tracker use?

The APRS Bluetooth TNC tracker is built around the ATMEGA328P-AU, from the AVR/Arduino family.

How big is the APRS Bluetooth TNC tracker PCB?

The APRS Bluetooth TNC tracker measures 70 × 40 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the APRS Bluetooth TNC tracker?

105 components, from 48 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 APRS Bluetooth TNC tracker design files?

From the hitov/bt-tnc repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the APRS Bluetooth TNC tracker design in my own project?

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

Can I test firmware for the APRS Bluetooth TNC tracker 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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