

Bt trx dev board
Hardware repo for the bt-trx development board
- Size
- 78 × 622 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 59
- Nets
- 50
- Pads
- 226
- Tracks, vias
- 313, 48
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 21 Jun 2019
- Updated
- 1 Apr 2023
Overview
Bt trx dev board is an open-source printed circuit board by bt-trx, from the bt-trx/dev-board repository on GitHub. It is a 2-layer board of 78 × 622 mm with 59 parts on 50 nets, routed with 313 tracks and 48 vias.
It is built around the ESP32-DEVKITM-1, LTV-816S and SM-LP-5001, with the RJ45 among its other parts. Its parts include 11 connectors, 9 resistors, 7 capacitors, 5 diodes and 3 ICs. It belongs with the microcontroller boards boards and the ESP32 boards of this library.
Main components
4ESP32-DEVKITM-1
-- WiFi Modules ROHSEspressif SystemsWiFi ModulesLTV-816S
SMD-4P-50℃~+110℃ 1 1.2V 100mV@20mA,1mA 3us 4us 50% 50mA 5kV 600% 6V 80V DC Phototransistor SMD-4P Transistor, Photovoltaic Output Optoisolators ROHSLite-OnTransistor, Photovoltaic Output OptoisolatorsSM-LP-5001
SMD-6P,12.8x9mmSMD-6P,12.8x9mm Audio Transformers ROHSBournsAudio TransformersRJ45
TH-12PTH-12P SMT ROHSJLCPCB AssemblyUncategorised
README
README.mdbt-trx-dev-board
BOM Generation
https://github.com/SchrodingersGat/KiBoM
Installation
"Tools" -> "Generate Bill of Materials" -> New Plugin
Benutzung
Eintragen der Bestellnummern ueber Properties des einzelnen Bauteils, oder gesammelt ueber "Tools"->"Edit Symbol Fields..."
Parts
59| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3_DIN965 | H1, H2, H3, H4 |
| 3 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1, R2, R9 |
| 2 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C8, C9 |
| 2 | 100nH | Inductor_SMD:L_0805_2012Metric_Pad1.15x1.40mm_HandSolder | L2, L3 |
| 2 | 15pF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C5, C6 |
| 2 | 1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C3, C4 |
| 2 | 4.7k | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R6, R7 |
| 2 | 5k | Potentiometer_SMD:Potentiometer_Vishay_TS53YL_Vertical | RV2, RV3 |
| 2 | 820R | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R4, R5 |
| 2 | Conn_01x08 | Connector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_Vertical | J9, J10 |
| 2 | I2C | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J6, J8 |
| 2 | SM-LP-5001 | bourns:SM-LP-5001 | T1, T2 |
| 1 | 1N5817 | Diode_SMD:D_SMA | D2 |
| 1 | 2.2k | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R3 |
| 1 | 220R | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R8 |
| 1 | 220uF 25V | Capacitor_SMD:CP_Elec_10x10.5 | C7 |
| 1 | 47uH, 390mA | Inductor_SMD:L_Wuerth_MAPI-3020 | L4 |
| 1 | AUDIO_IN | TestPoint:TestPoint_Pad_D1.5mm | TP7 |
| 1 | AUDIO_OUT | TestPoint:TestPoint_Pad_D1.5mm | TP6 |
| 1 | A_IN_LN | TestPoint:TestPoint_Pad_D1.5mm | TP5 |
| 1 | A_IN_LP | TestPoint:TestPoint_Pad_D1.5mm | TP4 |
| 1 | A_OUT_LN | TestPoint:TestPoint_Pad_D1.5mm | TP2 |
| 1 | A_OUT_LP | TestPoint:TestPoint_Pad_D1.5mm | TP3 |
| 1 | BYPASS | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J7 |
| 1 | ESP32-DEVKIT | nodemcu_esp-32s:ESP32-DEVKITC-32D | U3 |
| 1 | Housing | Symbol:OSHW-Logo2_7.3x6mm_SilkScreen | N1 |
| 1 | LED AMBER 2mA | Kingbright:APA2107LSECK | D1 |
| 1 | LED BLUE 2mA | Kingbright:APA2107LSECK | D4 |
| 1 | LED GREEN 2mA | Kingbright:APA2107LSECK | D5 |
| 1 | LTV-816S | liteon:LTV-816S | U2 |
| 1 | MIC_GND | TestPoint:TestPoint_Pad_D1.5mm | TP1 |
| 1 | PTT_BUTTON | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | PTT_CON | Connector_Audio:Jack_3.5mm_CUI_SJ1-3533NG_Horizontal | J3 |
| 1 | PTT_SEL | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J5 |
| 1 | PWR_GND | TestPoint:TestPoint_Pad_4.0x4.0mm | TP9 |
| 1 | Polyfuse 500mA | Fuse:Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolder | F1 |
| 1 | RJ45 | Connector_RJ:RJ45_Amphenol_54602-x08_Horizontal | J1 |
| 1 | SILabs_WT32i | wt32i:LGA50-1.0-23.9X15.9MM | U1 |
| 1 | SW_Push | Button_Switch_THT:SW_Tactile_SKHH_Angled | SW1 |
| 1 | TRX_GND | TestPoint:TestPoint_Pad_4.0x4.0mm | TP8 |
| 1 | TVS 16V | Diode_SMD:D_SMB | D3 |
| 1 | VOX_IN | Connector_PinSocket_2.54mm:PinSocket_1x01_P2.54mm_Vertical | J11 |
| 1 | VOX_TRX | Connector_PinSocket_2.54mm:PinSocket_1x01_P2.54mm_Vertical | J12 |
Questions
How big is the Bt trx dev board PCB?
It measures 78 × 622 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Bt trx dev board use?
59 parts, built around the ESP32-DEVKITM-1, LTV-816S, SM-LP-5001 and RJ45. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Bt trx dev board KiCad files?
From the bt-trx/dev-board repository on GitHub, at the commit this page was made from: the board is bt-trx-dev-board.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Bt trx dev board design in my own project?
Its repository states no licence, so its author keeps all rights: ask bt-trx before reusing the design.
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