Tags » 5v

SRF-02 Ultrasonic Sensor with I2C

Yesterday I was able to install the SRF-02 ultrasonic sensor on my quadrocopter.

Range: approx. 15 cm – 6m
Speed: up to 15.38 measurements per second (65ms between measurements) 771 more words


The Starting to use the Arduino Pro Mini.

The Arduino Pro min is a cut down version of a full size Arduino. The number of components used have been reduced to a minimum to reduce the size. 434 more words


解難:圖傳訊號間歇地轉弱,跟電流有關 ?

我的 Diatone ET160/150mm (微型無人機) , 在安裝 OSD 之前,圖傳影像流暢。但當加裝 OSD 模組及升級了更大輸出的圖傳輸出後 (由 200mw -> 500mw) ,便發現圖傳訊號會間歇地轉弱、然後畫面跳動,最後就失去影像訊號的問題。 經多過番測試後,發現是由於電壓(V)由高至低轉換後,導至輸出電流 (A) 不足而產生問題。問題成因是跟 Diatone ET160 附帶的 Power Distribution Board 有關,以下的測試例子,表示問題跟 OSD 和圖傳之間的型號配搭無關。 76 more words

Transmitting MIDI Signals With XBEE

What do you do when you want to rock out on your keytar without the constraints of cables and wires? You make your own wireless keytar of course! 212 more words

Wireless Hacks

Today’s Word With Joel & Victoria Osteen – Giving Is Worship


“And on going into the house, they saw the Child with Mary His mother, and they fell down and worshiped Him. Then opening their treasure bags, they presented to Him gifts…” 219 more words