https://github.com/dbrgn/crazyflie2-hcsr04
Ultrasonic sensor (HC-SR04) extension board for the Crazyflie 2.0
https://github.com/dbrgn/crazyflie2-hcsr04
Last synced: 5 months ago
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Ultrasonic sensor (HC-SR04) extension board for the Crazyflie 2.0
- Host: GitHub
- URL: https://github.com/dbrgn/crazyflie2-hcsr04
- Owner: dbrgn
- Created: 2015-02-02T19:15:55.000Z (over 11 years ago)
- Default Branch: master
- Last Pushed: 2015-04-05T23:11:17.000Z (over 11 years ago)
- Last Synced: 2026-01-11T12:59:47.477Z (6 months ago)
- Language: Eagle
- Homepage:
- Size: 4.29 MB
- Stars: 2
- Watchers: 1
- Forks: 1
- Open Issues: 0
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Metadata Files:
- Readme: README.md
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README
# Crazyflie 2.0 HC-SR04 Ultrasonic Expansion
This adds support for a cheap ultrasonic sensor (HC-SR04) to the Crazyflie 2.0.
## Parts
- 1x [HC-SR04](http://www.micropik.com/PDF/HCSR04.pdf)
- 1x [TI REG71050DDCT](http://www.ti.com/litv/sbas221g)
- 1x [Maxim DS28E05](http://www.mouser.com/ds/2/256/DS28E05-473078.pdf)
- 2x [Taiyo Yuden 2.2 uF EMK316BJ225KL-T](http://www.yuden.co.jp/eu/product/category/capacitor/EMK316BJ225KL-T.html)
- 1x [Taiyo Yuden 0.22 uF LMK107B7224KA-T](http://www.yuden.co.jp/eu/product/category/capacitor/LMK107B7224KA-T.html)
## GPIO Ports
The HC-SR04 expansion board uses the following GPIO ports:
- `IO_1 / PB8`: HC-SR04 Trigger
- `IO_2 / PB5`: HC-SR04 Echo
- `IO_4 / PC12`: REG71050 Enable