PCB Design

Feb 7, 2018 12:33 · 162 words · 1 minute read Electronics Hardware

For this homework assigment of Homemade Hardware, we were to “Create Eagle files for ATtiny85 sensor + LED.”

I decided to design a PCB for the Ultrasonic Distance Sensor breadboarded prototype from the previous week.

The schematic design for connecting an HC-SR04 to an ATTiny85

Based on this design and our tutorial from the previous class, I created this schematic:

When it came time to design the board, I wanted to be sure that the HC-SR04 Ultrasonic Distance sensor would be facing the outside of the board so that none of the board components would interfere with its signal. When arranging the HC-SR04 pins on the board, I made sure the VCC and Ground pins would be oriented to make it face outside.

The HC-SR04. The pins would be oriented to have it face outside

For the board design, I got everything to be arranged compactly. As per the instructor’s tutorial, I made the connection routes 1mm wide:

The PCB Board Design