thingiverse

free

Sony SmartWatch 3 SWR50 protection against sweat (improve GPS signal) by bryndak

...gps signal during the sport, especially running. i make it from rubber and pla. the rubber version is better but both are usable.

thingiverse

free

FR7 tail raised gps by djmix7388

...se i made this tail to protect the gps unit and maybe a better sattelite signal. made with fusion 360. suggested to print in tpu

thingiverse

free

Eachine Aurora 90 antenna protection by 171MarsMaker

...a plastic version, it will allow the fpv video signal to go out unhindered 360' and should theoretically improve...

thingiverse

free

Eachine Aurora 100 antenna protection by feiticeir0

...carbon fiber of the frame - making the fpv signal poorer... this is my attempt on a antenna protection...

thingiverse

free

UBLOX 6M Case by Neo_Usagi

...#39;ve minimized the thickness of the top so as to protect the antenna but not interfere with the antenna's signal reception.

thingiverse

free

UBLOX 6H Case by Neo_Usagi

...#39;ve minimized the thickness of the top so as to protect the antenna but not interfere with the antenna's signal reception.

thingiverse

free

Replicator MightyBoard Protection: Part 3 - LCD Board by garyacrowellsr

...there is no esd protection on any of the signal lines that are routed on the lcd ribbon cable....

thingiverse

free

DJI FPV Arm Antenna Mount

...ug fit and crash resistance. enjoy! www.redbrickstudios.com www.facebook.com/redbrickstudiosaz www.instagram.com/redbrick_studios

thingiverse

free

Solo DCF77 ESP32 transmitter by toto99303

...he screen from burn-in. (changes every minute) 3d printable stand. all details here:https://github.com/toto99303/solo_dcf77_esp32

thingiverse

free

OpenPilot GPS v9 holder by jkoljo

...om a few crashes, and does not obstruct the signal. the leds on the gps are visible from above and side when using this holder.

thingiverse

free

Bat Signal for iPhone by Dalpek

...so you can attach it to a keychain for protection on the go ;) this is an easy print,...

thingiverse

free

Door CCTV with PIR signal scart/reversing LCD monitor by WolfmanUK

...prevent glare used a 21mm watch lens to protect and cover the sony lens front cover overlaps the rear case to prevent damp/splash

thingiverse

free

meter case for BMW vehicles by Jac0d

...ll fit the moto meter circuit board from the bmw k100 and keep it protected. you can then fit it under the tank for safe keeping.

thingiverse

free

APD 120a ESC for Cali Vixen by Kelsey_Allen

...cali vixen by kelsey_allen thingiverse provides a mount and protection for the 120a apd esc's for the dysonian california...

thingiverse

free

APD 120a ESC for Cali Soul by Kelsey_Allen

...cali soul by kelsey_allen thingiverse provides a mount and protection for the 120a apd esc's for the dysonian california...

thingiverse

free

Weather Cover for HomematicIP Sensor HmIP-SLO by Chiabotti

...snow - hence using the cover is protecting it. there is no negative impact on the sensor's signal strenghts due to the cover.

thingiverse

free

Fadecandy Basic Snap by scanlime

...ng block for creating your own mounting brackets or incorporating the snap directly into another 3d printed part of your project.

thingiverse

free

Realacc X210/QAVX 210 body kit, camera guard, body and RX bracket by westers47

...t many hours and have made many prototypes before uploading these final designs. check out the video below for a in depth review.

thingiverse

free

ECX Temper RC Crawler Exoskeleton (FPV Protection) by SubBass100

...could while keeping it light and non intrusive for signal propagation. i've rolled it a few times and it...

thingiverse

free

Radome for 5.8ghz Stacked Fan Antenna by RCConcepts

...ot thick enough to cause a shift in the center frequency of the antenna, neither is it too thin to be squashed easily in a crash.

thingiverse

free

Roma F5 qTee Ghost Antenna Mount by GuiliFPV

...ntenna tips first into the antenna mount and then put the white body in. have fun and checkout my other designs. cheers. guilifpv

thingiverse

free

Roma F5 qTee Ghost Antenna Mount by GuiliFPV

...ntenna tips first into the antenna mount and then put the white body in. have fun and checkout my other designs. cheers. guilifpv

thingiverse

free

Tactical Nitecore EC25 Cobra Holster by kendawg

...ized note: print the release button on it's side with support for a stronger tab. https://www.youtube.com/watch?v=jlt1s0srrdi

thingiverse

free

MIcroquad scrab by elpet

...o recordered with this quad: http://youtu.be/7uf6bpyqlfo i also have a micro-tri and a micro-hexa versions i'll upload soon

thingiverse

free

Case for FrSky G-RX6 receiver by rcsoar

...a quick-to-print case for the frsky g-rx6. provides proper protection the signal pins for ch's 1 & 6 are...

thingiverse

free

Larva X Canopy by TryStoneDesigns

...ing the vtx antenna as well. if you have any questions or design improving ideas, feel free to email me or just use the comments.

thingiverse

free

Protective shell for micro FPV camera by jaygreco

...crash or collision. here's the cam it works with (it comes under tons of names): http://jay-greco.com/images/516xa0pbjgl.jpg

thingiverse

free

Odicforce laser mount for my Quick Fit Carriage by lukie80

...these values are correct: ~30mm, ~31.5mm, ~60mm) suggested: eye protection glasses you'll need an 40mm 10x 10mm m3 screws...

thingiverse

free

Apple TV 4K tv mount by Sinfinity

...al from my remote control goes through the tv without any problems and as i said before it doesn't heat up. enjoy! /sinfinity

thingiverse

free

Boitier TTGO Phantom 4 by JeromeP62260

...boitier ttgo phantom 4 by jeromep62260 thingiverse boitier de protection pour dispositif de signalement pour drone base sur la...

thingiverse

free

Acrobrat - Hatchback Mount by TheDronanaut

...to give a good balance of signal quality and protection the immortal t antenna mount is a "clamshell" style...

thingiverse

free

HoverBot Nano EF-02 Front Mount by vjapolitzer

...hout sticking up too much. the leds are on the bottom edge of the camera, with an open back, the mount still leaves them exposed!

thingiverse

free

Kniwwelino Desktop Fan by lazyzero

...opening it in the online programming platform https://code.kniwwelino.lu materials: kniwwelino arctic cooling f14 pwm pst step-up

thingiverse

free

Faraday Cage for blocking cellphone signals by huertamr

...g sensitive data. for more information on assembling and an alternative download hub, please visit www.juguetesradiactivos.com

thingiverse

free

Yaesu FT-817 radio protection stackable case. by Slider235

...be used for lithium-polymer batteries and an inverter with signalng discharge. the third box i plan to use for...

thingiverse

free

Graphical Waveform / Signal Generator Case w/ Arduino Pro Mini & AD9833 (Sine, Square and Triangle) by Wi_Zeus

...https://www.aliexpress.com/item/10pcs-g130-10-15mm-spst-2pin-on-off-boat-rocker-switch-3a-250v-car-dash-dashboard/32739231057.html tp4056 charge and protection board, 2x 3mm leds https://www.aliexpress.com/item/new-5pcs-lot-5v-1a-micro-usb-18650-lithium-battery-charging-board-charger-module-protectiondual/32631718585.html reset button ad9833: https://www.aliexpress.com/item/cjmcu-9833-ad9833-ad9833brmz-sine-wave-square-wave-triangle-module/32741116568.html ds3231: https://www.aliexpress.com/item/free-shipping-ds3231-real-time-clock-module-for-arduino-3-3v-5v-with-battery-for-raspberry/1954150922.html (optional) sma: https://www.aliexpress.com/item/10pcs-sma-female-jack-connector-for-1-6mm-solder-edge-pcb-straight-mount-gold-plated-rf/32847511595.html...

thingiverse

free

RC-Box für Wilesco-Dampfwalze oder Dampftraktor by Subwater

...ting the burner below the boiler... or use a bras-plate (i.e. the original one from wilesco) to protect the rc-box from below :-)

thingiverse

free

Parkside battery to Makita 18v Tools by MYLE

...the makita. also, at least for now, the temperature protection in this adapter regards only on the built in...

thingiverse

free

Eyas X3 Camera top plate & XT30 mount by Arakon

...antenna holders (which also act as a bit of protection for the camera), as well as an xt30 mount...

thingiverse

free

Auto-Level Mounts for Ender 3, CR-10, Tevo, etc. by Modmike

...adding auto level cpability 2) adding critical thermal runaway protection to prevent fires 3) adding useful lcd menus such...

thingiverse

free

HP Gen8 Common Slot PSU Cover by IamTheBoy

... the modification to achieve that are at https://www.jaimelett.co.uk/converting-an-hpe-gen8-common-slot-psu-into-a-12-24v-supply/

thingiverse

free

Electric Football by bblattbot

...g other than a fishing net at the end of a 10 foot pole. here is a bench test video of the edf unit:http://youtu.be/sk74hztnlg4

thingiverse

free

Parakeet Beak Case (version 1) by jamorham

...of the battery to provide extra insulation and physical protection between the battery and the board. only the external...

thingiverse

free

Yet Another Immortal-T Antenna Mount by briancmoses

...s of each other. for best results, you'll need to print one of each and then install them to match the shape of the antenna.

thingiverse

free

3DPandoras magnet holder for hall-effect sensors by 1010011011

... can trigger a transistor that in its place will close a circuit to the input of some atmel chip protected by a pull up resistor.

thingiverse

free

MiniBox for mini 360 DC/DC buck down converter by anhtien

...d-stop. printed using 50mms speed, 50% infill, 200deg extruder, 60 deg hotbed using pla 1.75mm, support generation needed. enjoy.

thingiverse

free

SPOT Gen 2 Case Protector Cover by gsmithwa

...for 3 years. anyway - time for some additional protection this design provides a cover with 2 attachment points....

thingiverse

free

Replicator MightyBoard Protection Part 2: ESD Shielding by garyacrowellsr

...shunting was done with esd diodes for the endstop signal lines in part 1, and more will be added...

thingiverse

free

UDOO x86 Case with SATA SSD/HDD compartment and fan by plasmac0r

...rass-knurled-nuts-insert-female-thread-round-insert-embedded-nuts-p-1184177.html screws board: 4x m3x6 fan: 4x m4x20 lid: 4x m4x8

thingiverse

free

Enclosure for USB QC tester by debren27

... i used tinkercad to make the ports, holes, and window. you can tinker with it here: https://www.tinkercad.com/things/1ouobi9am0i

thingiverse

free

Faraday Cage Phone Case by Phistterbut_Inc

...you carry out something illegal using this case as protection from gps tracking, or other types of monitoring activities...

thingiverse

free

Big Pushbutton Base / Enclosure by jgillick

...file when the button is pressed. https://www.adafruit.com/product/2217 https://www.adafruit.com/product/1400 https://www.sparkfun.com/products/9151 https://www.digikey.com/product-detail/en/mpd-memory-protectiondevices/bc3aaaw/bc3aaaw-nd/863319 the only thing i would do different is add...

thingiverse

free

FlashForge Creator Pro Heated Bed PCB Cover Fits 2015 and 2016 models! by agilliam

...t doesn't fully unload. leaving you to then you down the extruder fan/sink and clear jam. or have to clean nozzle or throat.

thingiverse

free

Pinball insert (roll over switch) by mitchell_cj

...iguration but for multiple hall sensor's it would be used as a current limiter to protect the hall sensor's output stage.

thingiverse

free

10W High Power LED Battery powered Torch by mariozwiers

...(i use cold white):https://de.aliexpress.com/item/10pcs-7colors-10w-20w-30w-50w-100w-high-power-integrated-led-cob-lamp-beads-chips-smd/32710676954.html?spm=a2g0s.9042311.0.0.tbm1g7 switch:https://de.aliexpress.com/item/10pcs-6pin-dpdt-slide-switch-miniature-125vac-mini-pcb-latching-train-signal-12v-24v-6v-slide/32692444364.html?spm=a2g0s.9042311.0.0.69w5gi voltage booster:https://de.aliexpress.com/item/5pcs-mt3608-dc-dc-step-up-power-apply-module-booster-power-module-max-output-28v-2a/32667781373.html?spm=a2g0s.9042311.0.0.69w5gi battery (18650):https://de.aliexpress.com/item/2pcs-100-new-original-ncr18650b-3-7-v-3400-mah-18650-lithium-rechargeable-battery-flashlight-digital/32324914059.html?spm=a2g0s.9042311.0.0.69w5gi protectionhttps://de.aliexpress.com/item/5pcs-lot-1s-3-7v-3a-li-ion-bms-pcm-battery-protection-board-pcm-for-18650/32788165963.html?spm=a2g0s.9042311.0.0.69w5gi ...

thingiverse

free

FlySky fs-i6 series 18650 + module mod by meszoltan

...to 5-6v (use google) 18650 2s overload, overcharge, under-voltage protection board (use google) printing took me about 15h with...

thingiverse

free

DIYAT Switch V4 - IMPROVED/NEW CUSTOMIZER PARAMETERSs) by drewrb

...tactile button switch more durable and accessible by providing protection and a larger activation surface. designed with openscad, this...

thingiverse

free

Smoke Detector Auto Power Off for Enclosure

...ould not attempt it. if such is the case, but you are still interested, have a professional evaluate the project and do the work.

thingiverse

free

WiFree Copter, .... the Rasp.Pi lerns to fly by Android by Open_DIY_Projects

...onnection of the smartphone with the electronics, and the camera image is processed, digitized and transmits via the wifi signal.

thingiverse

free

FlashForge 2016 LCD/SDCard/Keypad Interface Board Redesign by dewhisna

...a wonder, as gary described with his lcd esd protection board, "that it works at all". i originally looked...

thingiverse

free

Diffuser for OLight S1R Baton II (several styles available) by Joew1120

...ersions is that when capped on the rear of your flashlight, they help to stop the magnet from latching onto items in your pocket.

thingiverse

free

DIY Low cost bench power supply based on the MINGHE ZXY6010S DC to DC Step Down / Buck Power Supply by Legacy_Micro

...all outputs with ratings greater than 2 a •overload protection on all outputs •voltage adjustment on all outputs •margining...

thingiverse

free

Ender 3 with bltouch and runout sensor

...advance sd card support power fail recovery thermal runaway protection these files are edited by me in original project:...

thingiverse

free

Atorch DL24 Electronic Load Case by wisestone

...3d printed enclosure to provide improved handling and board protection the project also converts the dl24 from needing a...

thingiverse

free

Powerlolu - Powerful 10A Stepper Motor Driver by fluidfred

... adapter board between powerlolu and ramps at github see: https://github.com/fluidfred/powerlolu/blob/master/powerlolu_pololu.brd

thingiverse

free

UMC - Universal motion controller by Bribro12

...arduino nano. the pcb itself features a reverse polarity protection system, a voltmeter, power led, rgb led and various...

thingiverse

free

Replicator MightyBoard Protection Part 1 by garyacrowellsr

...10k pull-up's have been added to each of these signal lines, so a simple switch closure to ground will...

thingiverse

free

Delta Laser Engraver by AlMuz

...protection glasses for a blue laser you need green colorhttps://www.ebay.com/itm/alternative-laser-eye-protectionsafety-glasses-goggles-for-various-lasers-1pc applications if you do home pcb diy - the...

thingiverse

free

VTOL Y3 Mini Skyhunter tilt rotor parts by aticof

...//www.banggood.com/es/5-pairs-xt30-2mm-golden-male-female-non-slip-plug-interface-connector-p-1237676.html?p=x80605659227201407zi

thingiverse

free

Sienci Mill One V2 by SienciLabs

...motor driver features adjustable current limiting, over-current and over-temperature protection and five different micro-step resolutions (down to 1/16-step). it...

thingiverse

free

Filament runout sensor for Tevo Tarantula (and others) by corruptfile

...ss (m600) and send the print head to home. follow the prompts on your lcd to complete the filament change. no more partial rolls!

free3d

$179

Krasukha 4 Mobile Electronic Warfare System Rigged

...satellites suppress devices, surveillance combat unmanned aerial drone vehicles protection and modern electronic warfare systems documentary projects. krasukha 4...

thingiverse

free

Sienci Mill One V3 by SienciLabs

...motor driver features adjustable current limiting, over-current and over-temperature protection and five different micro-step resolutions (down to 1/16-step). it...

thingiverse

free

Micro Quadcopter 105mm 110mm FPV Scisky by Printbus

...ame evolution or information on a quad build using this frame, see the forum thread at http://intofpv.com/t-first-fpv-quad-build.

thingiverse

free

8mm Inductive Sensor Mount by Superflex_Plastic_Fantastic

...this case the supplied 12vdc! to provide reverse current protection for this pull up state i installed a diode...

thingiverse

free

Antweight Combat Spinner Bot - Shrapnel Mk3 by Fryddog

...the bottom plate rather than the top. for added protection glue a 1mm piece of polycarbonate behind the rear...

thingiverse

free

Sign of the Horns by dietz1

...republic is usually used the expression zafa as a protection against curses commonly known as fukãº, as well when...

thingiverse

free

Eachine Aurora 100 FPV Racing Quad Upgrade Kit & Mods: YOUR FIRST DRONE by Banana_Science

...atx03 then slides in! these panels also provide great protection against annoying grass bits and other stuff that your...

thingiverse

free

RPi-Power-Bar by TefKater

...the fly" as needed, wrapped in shrink tubing for protection and insulation. i also bought a crimp tool and...

thingiverse

free

Transformer Trailer Hitch Cover by Mister-Ed

...u could also insert leds for turn signals in the lower covers. the middle inserts are ideal for taillights. have fun building it.

thingiverse

free

ESP32 + RCWL-0516 + Battery Enclosure by Michaelo

...the second batch (2 x 1800mah with build in protection arrived yesterday so i set to work experimenting. while...

thingiverse

free

DJI Phantom 2 Vision Brushless Gimbal by Stoeckli

...ect 5 v). tilting all the way down is possible. and finally, here are the solidworks 2012 files: http://www.stoeckli.net/?p=124

thingiverse

free

Camera Mount for bare USB Webcam Board (v3) by DougLorenz

...may redesign the ball and socket joint at some time. however, i will strive to maintain compatibility with all other parts used.

thingiverse

free

RC tank-steering Rock Crawler by danjr1

...lamping the rear bolt holders together when gluing them. hacksaw to cut the aluminium tubes usual marker pens and measuring tools

thingiverse

free

AnyCubic i3 Mega Design Notes by jrmoserbaltimore

...hed, and helps keep the cable straight and away from the frame at the top. print one yourself; they'd add more cost to ship.

thingiverse

free

Pinoc Video/Photo Capture Binoculars by buildchimp

...in the openscad files above (*.scad), i've commented the individual modules and parameter sets to make them easier to adjust.

thingiverse

free

Real Tower Clock by imperatormaximus

...make closed box there anymore - only motor electronics protection **update 2021-01-31: *** i am working an full new...

thingiverse

free

LedBox V2 - ESP32 sound-reactive WLED controller by stanleyondrus

...ate, click choose file, select the newest firmware (i.e. ledboxv2_sr_wled_0.12.0.bin), and click update. layout more information

thingiverse

free

LIBERATOR FP-45 (Historical Prop) by mussy

...structions will be in the make !don't forget to check out my other cool designs and follow my weekly kookoo uploads, enjoy ;)

thingiverse

free

DIY Mask brace / fitter using twisted copper wire cores by FullPlasticScientist

...this concept’s ability to improve mask fit and hence protection factor of a surgical mask. it will be highly...

thingiverse

free

Rasptop 2.0 The Better Raspberry Pi 7" Laptop *Source Files Included* *UPDATED a lot* by morganlowe

...see how it works: https://www.ebay.com/itm/usb-2s-7-4v-8-4v-lithium-lipo-li-ion-18650-battery-charging-board-charger-module/272750949115?sspagename=strk%3amebidx%3ait&_trksid=p2060353.m2749.l2649 and battery protection board: https://www.ebay.com/itm/2s-8a-li-ion-lithium-lipo-battery-18650-charger-protectionboard-cell-7-4v-8-4v/323268969256?sspagename=strk%3amebidx%3ait&_trksid=p2060353.m2749.l2649 i do plan on using 10k mah li-pos. i...

thingiverse

free

CoreXY Laser engraver by nagilum

...not familiar with high power lasers. good quality laser protection goggles are a must! don't use cheap ones. and...

thingiverse

free

Rasptop! Raspberry Pi Laptop with Official Pi Foundation 7" Touchscreen *Just 5 Parts!* *Source files included* by morganlowe

...pack, 3 cells of 5000mah each, each with a protection board to isolate it in case of trouble. the...

thingiverse

free

SKR 1.4 Turbo X5SA Pro Electronics Package by Micklen

...) you can print the one without post. then print 6 post and glue them in. or just leave them out if you don't need/want them.

thingiverse

free

Master-pi v3.0 by donaldsimonet

...all you need to charge (current regulator and battery protection and discharge the battery (with boost voltage from 3v...

renderosity

$12

Electronic Active Components

...ltd.; zilog, inc.; etc...<br /> <br /> thank you for viewing this product.<br /> <br /> edart3d</p>

thingiverse

free

CTC PRUSA i3 Pro B Upgrade --> Mini Hypercube Evolution (HEVO) by triggermeister

... 10,100 10,180 100,10 100,180 180,10 180,100 180,180 speed: 50 horizontal_move_z: 5 probe_z_offset: 0.15

thingiverse

free

Anet A6 - Autolevel bed sensor Blue SN-04N by d3adlydozen

...define prevent_lengthy_extrude define extrude_maxlength 200 //=========================================================================== //======================== thermal runaway protection ======================= //=========================================================================== /** thermal protection provides additional protection to...

cg_trader

free

Signaling

...signaling cg trader signaling 3d asset signaling light system protection available formats fbx, ready for 3d animation and...

cults

free

Square signal 4 fires

...the signal. it is a non-passable protection signal (switch protection maneuvering lock, electrical disconnection, danger zones. it can be...

grabcad

free

Gps case and flag holder

...lag. the material is pla that does not affects the gps signals and the manufacturing method is rapid prototyping with 3d printers

cg_trader

$45

Antenna Radome

...at minimally attenuates the electromagnetic signal transmitted or received by the antenna, effectively transparent to radio waves

cg_trader

$7

Industrial Doors 2

...ital ship door doors fire booking fighting signaling safety persistent metal shockproof protective refractory exit interior other

grabcad

free

OnePlus 3/3T case bumper

...esn't drop as the rumor says and it has another layer on the back to protect the camera bump from touching the floor/ surface

cg_trader

$7

Industrial Doors

...ital ship door doors fire booking fighting signaling safety persistent metal shockproof protective refractory exit interior other

cg_trader

$6

Stalker M906

...the firing process: loaded and fired. pistol gun weapon protection lowpoly gamedev 3dmodel steel security police military unreal engine...

grabcad

free

Wet Floor Warning Signal

...placed on a wet floor sign to provide additional protection by warning people walking by that the floor is...

cg_trader

$2

GPS Jammer flash

...tion is not available. your personal privacy can be adequately protected. https://www.perfectjammer.com/gps-blockers-jammers.html

cg_trader

$9

Security Camera

...lens eye camera video security cctv ccd vision cam protection ir thermal signaling optic monitoring electronics security camera camera...

grabcad

free

KP Universal

...kp universal grabcad modular and universal protection of large columns and beams with its modular fence-shaped...

grabcad

free

Songle Relay SRD-05VCD-SL-C

...relay card with a relay and drive transistor and protection diode. the relay can be used to control loads...

cg_trader

$69

Low-Poly Railroad Barrier 9m with Protective Grid

...poly pbr blender3d animated industrial bahnschranke bahnschrankenbaukasten 9m travel protection exterior street industrial exterior street...

cg_trader

$12

street equipement

...safety city security signal traffic travel container interior tool protection fireman stop junction safe padlock road highway various models...

grabcad

free

MS3106 R 28-21SW

...provides a complete offering of accessories to ensure complete protection and reliability. these heavy duty, environmentally resistant connectors offer...

cg_trader

$56

Low-Poly Railroad Barrier 8m Protective Grid

...2m polygons = 43384 railroad traffic barrier signal grid warning protective 8m roadbarrier low poly pbr animated industrial other

cg_trader

$5

Explosive warning sign

...send me a message warning sign explosive safety danger protection signal science chemistry metal pbr vre ar gamedev indiedev...

cg_trader

$35

Railroad Barrier 3m High-Poly Version with Protective Grid

...gh poly signal crossing blender 3d warning crossroad animated street industrial part roadway industrial part architectural street

grabcad

free

Overall assembly of power cabinet of packaging line

...n cabinet, which is designed to provide power and control distribution for power equipment (- generally refers to motor) cabinet.

grabcad

free

KISTLER

...and test software • industrial models with degrees of protection ip60, ip65 and ip67 • integrated peak value memory...

grabcad

free

BAUMER level switch LBFS 0142 1 - Sensor de nível BAUMER LBFS 0142 1

...for media separation and provide empty-pipe detection or dry-run protection for pumps. a high frequency sweep signal is radiated...