GPIO/I2C

PWM Servo Driver Board – NVIDIA Jetson TK1

October 14, 2015 kangalow 9

Analog servos interface using Pulse Width Modulation (PWM). Connecting a PWM servo driver board to the Jetson TK1 over I2C makes interfacing with servos easy. Looky here: Background In an earlier article, RobotGeek Pan and Tilt Kit, we attached two servos to a Jetson TK1 via an Arduino. The micro Read more …

GPIO/I2C

Jetson TK1 Connector Part 3 – Solder IDC Headers

October 10, 2015 kangalow 0

Next step up in the Jetson TK1 Connector Board build is to solder in the IDC connector. Looky here: In the video, a TE Connectivity/AMP 103308-8 IDC connector (available from Mouser) is used. Note: The holes for the connector are made to fit with a TE Connectivity/AMP 103308-8 (available from Read more …

GPIO/I2C

Jetson TK1 Connector Part 2 – Soldering Headers

September 26, 2015 kangalow 0

Soldering the headers on to the Jetson TK1 Connector Board takes just a few minutes. Looky here: Information Adding the headers to the Jetson TK1 Connector Board (See Part I for a description of the board) is a straightforward task. The actual headers that plug into the Jetson J3 headers Read more …

GPIO/I2C

Jetson TK1 Connector Part 1 – NVIDIA Jetson TK1

September 22, 2015 kangalow 4

Have you wondered how to connect to the Jetson TK1 J3 headers in a more permanent fashion? One way to do that is to build a board, the Jetson TK1 Connector board, which has connector pins attached. Received the boards, looky here: Motivation Over the last few months, we’ve been Read more …

GPIO/I2C

GPIO Interfacing – NVIDIA Jetson TK1

September 17, 2015 kangalow 2

A small ‘C’ programming language library can be used to interface with the GPIO (General Purpose Input/Output) subsystem on the Jetson TK1. Looky here: Background On the Jetson forum the other day, a community member asked about how to interface through code with GPIO on the Jetson TK1. That seems Read more …

GPIO/I2C

Level Shifting, UART and GPS Part 1 – NVIDIA Jetson TK1

September 3, 2015 kangalow 11

Building a breadboard to interface a GPS system to a UART on the Jetson TK1 only requires a couple of parts, a GPS breakout board and a Level Shifter breakout board. Looky here: Background The Universal Asynchronous Receiver/Transmitter (UART) was invented by Gordon Bell in 1971 to translate data between Read more …

GPIO/I2C

Real Time Clock (RTC) – NVIDIA Jetson TK1

August 13, 2015 kangalow 2

For some applications using the Jetson TK1, a Real Time Clock (RTC)may be needed. Here’s a demonstration of the steps needed to add one. Looky here: In this article, we’ll discuss wiring an RTC over I2C to the Jetson, build and install a kernel module for the RTC, and prepare Read more …

GPIO/I2C

Bosch IMU under ROS on NVIDIA Jetson TK1

July 1, 2015 kangalow 39

Robot Operating System (ROS) makes integration of sensors such as the Bosch BNO055 9 Degree of Freedom (DOF) IMU straightforward. Looky here: Background When building a robot, designing, planning and selecting sensors and parts for the build are crucial to success of the overall project. In building our project robot, Read more …