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Wednesday, December 10, 2025

Eufy X9-Pro Cleaner-Bot - Maintenance Tips (like for Water Leaking)

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The Eufy Clean X9-Pro Cleaner-Bot is our first robot-vacuum and we like it. I got this one because it had good reviews and also mops. Our ...
Thursday, November 10, 2022

FrSky Taranis X9D Main Battery Replacement

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The stock (green) battery pack is: NiMH-LSD 2000mAh 7.2 volts (6x 1.2v cells). JST-plug. I have two actually, but neither seems to be chargi...
Wednesday, July 3, 2019

ZLRC SG906 Beast - Quadcopter with GPS - Selfie-Drone

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ZLRC SG906 Beast - BRUSHLESS Motor Quadcopter with GPS - Selfie-Drone with nice hand-held R/C controller (all for under $175 usd). Works w...
Monday, June 3, 2019

SK-450 frame with PixHawk PixRacer build continued Spring-2019

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I recently found my un-finished SK-450. It was to be my first Pixhawk-class aircraft. I think I will work on it for a while, and hopefully g...
Friday, May 24, 2019

Taranis OpenTX v2.2.1 Flight-Modes and Sound Profiles

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Here are some setup notes for my Taranis (running OpenTX v2.2.1), about Taranis audio and setting-up sounds. Remember that if you switch com...
Sunday, May 19, 2019

FrSky Taranis X9D TX Clock Battery Replacement.

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It's flying season again, so I took my FrSky Taranis X9D transmitter down off the shelf. I haven't used it much in the past 6 months...
Sunday, April 14, 2019

A Good Indoor Beginner RC Drone Eachine E014 Windmill - WiFi SmartPhone FPV 2019

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I like my new indoor WiFi 720p FPV Drone with Altitude-Hold (via optical-flow AI). This is the best beginner RC drone I have flown in a whi...