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greatscottgadgets / ubertooth

Software, firmware, and hardware designs for Ubertooth
https://greatscottgadgets.com/ubertoothone/
GNU General Public License v2.0
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DIY hardware is having problems #412

Closed BG7YWL closed 4 years ago

BG7YWL commented 4 years ago

Version information

Operating system: Raspberrypi 3B Linux 4.19.118-v7+

Ubertooth tools version: ubertooth-2018-12-R1

libbtbb version: libbtbb-2018-12-R1

Steps to reproduce

I make the hardware with the Version 218 Gerber file and use the assembly_test firmware for my test.

It was found that only 1V8 LED(D1) and TX LED(D2) were lit. Then I used a multimeter to measure the 74 and 73 pins of LPC1754 chip, and found that the voltage was only 2.4mV, and the voltage of 73 and 72 pins was 3.1V.

微信图片_20200706171152

In addition, I tested the USB_test program and found that the USB LED(D6) could not be lit. Could you please tell me how to troubleshoot the problem?

2

miek commented 4 years ago

The best way to troubleshoot is to follow the guide for the assembly_test firmware here under 'Automated Test': https://github.com/greatscottgadgets/ubertooth/tree/master/firmware/assembly_test

It sounds like step 6 is not happening as described ("RX" (D3) is not illuminating)? Are the steps 2-5 passing correctly?