GPIO/I2C

Ultrasonic Distance Sensor – HC-SR04 – NVIDIA Jetson TK1

October 29, 2015 kangalow 9

Ultrasonic Distance Sensors, like the HC-SR04, are an inexpensive way to measure distance from the Jetson TK1. Looky here: Background Echo location is used by echolocating animals, such as bats and dolphins, for navigation and object detection. Echolocating animals emit calls out to the environment and listen to the echoes Read more …

GPIO/I2C

4 Character 7 Segment LED over I2C – NVIDIA Jetson TK1

October 25, 2015 kangalow 2

Installing a 4 Character, 7 Segment LED that communicates with the NVIDIA Jetson TK1 over I2C is useful for adding a little visual flair to numeric display projects such clocks, up/down counters and numeric displays. Looky here: Background On a thread over on the NVIDIA Jetson TK1 Forum a forum Read more …

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 …

ROS

MIT RACECAR Walkthrough – NVIDIA Jetson TK1

October 6, 2015 kangalow 5

A class being held this January at MIT centers around the Rapid Autonomous Complex-Environment Competing Ackermann-steering Robot, or RACECAR. I went to Boston, and was fortunate enough to get a walk through of the hardware used last year for the class. Looky here: Here’s the RACECAR in action: Background In Read more …