Reddit mentions: The best transducers
We found 9 Reddit comments discussing the best transducers. We ran sentiment analysis on each of these comments to determine how redditors feel about different products. We found 8 products and ranked them based on the amount of positive reactions they received. Here are the top 20.
1. 95dB Panel Piezo Buzzer
- Free Shipping on orders over $50
Features:
Specs:
Color | One Color |
Size | One Size |
Weight | 0 Pounds |
Width | 2.7 Inches |
2. BQLZR 5V Continuous Sound Piezo Buzzers Fit for Computers Printers Pack of 20
- Lowers temperatures up to 30-degrees Fahrenheit
- Unit's energy efficiency and use of no harmful chemicals makes it
- Made up of durable one-piece, rust-free, leak-proof molded polyethylene housing
- Convenient 3/4-inch water hose connection for longer running
- Shipped completely assembled and ready to operate, right out of the box
Features:
Specs:
Weight | 0.09 Pounds |
3. ANKRY DC 9-15V HYD-4218 Active Piezo Electronic Alarm Buzzer
- Product Name : Active Piezo Electronic Alarm Buzzer;Model : HYD-4218
- Voltage : DC 9-15V;Total Size(Pin Not Included) : 42 x 17mm/1.6" x 0.67"(D*H)
- Cable Length : 11cm/4.3";Materials : Plastic, Metal
- Main Color : Balck;Net Weight : 25g
- Package Content : 1 x Active Piezo Electronic Alarm Buzzer
Features:
Specs:
Color | Black |
Size | 1# |
Weight | 0.0551155655 Pounds |
4. CR Magnetics CR8450-2000 General Purpose Wire Lead Current Transformer, 14.6 Vmax RMS, 200 A Maximum Input Current
- Alternating current sensing
- Epoxy-encapsulated with polypropylene resin case
- Wire lead connection
- UL Recognized and CE certified for quality assurance
Features:
Specs:
Number of items | 1 |
Size | 14.6 Vmax RMS, 200 A Maximum Input Current |
5. CR Magnetics CR6210-150-20 AC Power Transducer with Single Phase Active Power, 20 - 5 KHz, >=2K Output Load, 12 VDC, 0-150 VAC 0-20 AAC Input Range, 0 - 5 VDC Output Range
- Average RMS measurement for sinusoidal alternating current waveforms
- 0.5% FS accuracy
- Response time of 250 ms (10-90% step change)
- Two-wire input for measurement of single-phase active power
- UL Recognized and CE certified for quality assurance
Features:
Specs:
Number of items | 1 |
Size | 0-150 VAC0-20 AAC Input Range |
6. Uxcell a15112300ux1631 30 Piece DC 3V Electronic Electromagnetic Continuous Sound Buzzer, 12 x 9.5 mm
Product name: electromagnetic buzzer; sound-making Type: continuous soundRated Voltage: DC 3V; body Size: 12mmx9. 5mm/0. 47' ' x0. 37' ' (d x h)Pin Pitch: 7 mm /0. 28' ' ; external material: plasticColor: black; weight: 51GPackage content: 30 x electromagnetic buzzer
Specs:
Number of items | 1 |
7. Uxcell a12081600ux0477 12 mm Diameter 5 Piece DC 5V 2 Terminals Electronic Continuous Sound Buzzer
- Product Name : Electronic Alarm Buzzer;Sound-making Type : Continuous Sound
- Rated Voltage : DC 5V;Body Size : 12 x 9.5mm / 0.47" x 0.37" (D*T)
- Pin Pitch : 7mm / 0.27";External Material : Plastic
- Color : Black;Weight : 9g
- Package Content : 5 x Electronic Alarm Buzzer
Features:
Specs:
Color | Black |
Height | 0.37401574765 Inches |
Length | 0.4724409444 Inches |
Number of items | 1 |
Weight | 0.019375 Pounds |
Width | 0.37401574765 Inches |
8. BestTong 18 PCS Active Piezo Electronic Buzzer Alarm 12mm Dia DC 5V 2 Terminals Continuous Sound Industrial Sounder FPV Quad DIY
Rated Voltage: DC 5V; Working Voltage: 6-24VDCResonance Frequency: 2.8 +/- 0.5KHz; Sound Pressure: 85dB,/10cm/5VDCCurrent Consumption(Max.): ≤30mAOperating Temperature Range: -20-+70C; Pin Pitch: 7mm / 0.28"; Body Size: 12 x 10mm / 0.47" x 0.4" (D*T)Package included: 18 x Active Electronic Alarm B...
🎓 Reddit experts on transducers
The comments and opinions expressed on this page are written exclusively by redditors. To provide you with the most relevant data, we sourced opinions from the most knowledgeable Reddit users based the total number of upvotes and downvotes received across comments on subreddits where transducers are discussed. For your reference and for the sake of transparency, here are the specialists whose opinions mattered the most in our ranking.
GPIO doesn't output hardly anything in terms of power, so you'll likely want at Class D amp to go with it, if you want anything approaching "loud". Could probably power a buzzer via GPIO that would be "loud" if you're right next to it, but "loud" from across a house? You'll need an amp and a buzzer, and probably a case to put them in, and something to power the amp...
Surely you could toss something together for less than $40 to do this, but the Aeotec is also a Z-wave repeater, which if you're using Z-wave devices (and if you're using Home Assistant, presumably you are), so it's overall a decent enough value.
The GPIO have a max of 16mA per pin, and that's really pushing it. If you want long life out of your board, the max is recommended at 3mA per. Let's just say you run at 16mA, at 5v that's 0.08 watts, which is not a whole lot...
Even something like this not-at-all-loud and tiny piezoelectric buzzer is too much amperage: https://www.amazon.com/BQLZR-Continuous-Buzzers-Computers-Printers/dp/B00J4BJZP2
You'll pretty much have to add a small class D power amp if you want to drive anything loud (100+ dB).
The MK133 kit will do the job pretty well.
You can add just about any arcade button you like to the MK133. Just wire them in parallel with the on-board pushbutton switches.
Here is a busser that should work with the MK133. Unfortunately it'll sound off continuously until the Reset button is pressed. To make it do a short beep instead will require a little more work.
You want something like this:
https://www.amazon.com/CR-Magnetics-CR8401-1000-General-Transformer/dp/B005CWO8GI/ref=pd_sbs_328_26?_encoding=UTF8&refRID=3KT0G435SVH789VEDQR6&th=1
Or this:
https://www.amazon.com/bayite-Digital-Current-Voltage-Transformer/dp/B01DDQM6Z4/ref=sr_1_1?ie=UTF8&qid=1487698916&sr=8-1&keywords=current+sense+monitor
5 buzzers for under 5 bucks. Doesn't do the different pitches like a discovery will, but does me fine on my Naze. https://www.amazon.com/dp/B00B0Q4KKO/ref=cm_sw_r_cp_apa_qgJvxb1SCKMV6
The Combustion course threw me - I was thinking you were trying to make a dyno - with electric motor used as a generator.
If you just want to measure power in a single phase AC motor - as I mentioned a transducer - does your NI system have 0-5V analog inputs? Try this -> http://www.amazon.com/dp/B005CWN8U0/ref=biss_dp_t_asn
I think that's a standard buzzer.
https://www.amazon.com/Uxcell-a15112300ux1631-Electronic-Electromagnetic-Continuous/dp/B01ARBOT9Y/ref=sr_1_3?s=industrial&ie=UTF8&qid=1485038861&sr=1-3&keywords=buzzer
I've been using these.
They're not "ear piercing", but annoyingly loud, and lets me find my quad within 100-150 feet in grass even with moderate wind noise and traffic nearby. I'd say they're about 60% of the loudness of a normal smoke alarm, if that gives you any idea.
i bought me a pack of piezo buzzers and have slapped them on a few of my kwads. Tied to a switch, and it's LOUD as all hell.
another method i've heard is.. you flatten out your remote antenna and start waving it left to right parallel with the ground. when the signal drops, this is supposed to indicate the antenna is pointing to the kwad. walk forward five feet and repeat.