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DAOKI Supply Voltage Converter Adjustable Review

3

·

Very good

Revainrating 4.5 out of 5  
Rating 
4.3
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Description of DAOKI Supply Voltage Converter Adjustable

This is Hall Effect magnetic sensor module DC 5V for Arduino. Small size and high sensitivity. Fast response temperature and good performance. Precision and high reliability. 3144 Series Hall principle of Hall effect switch IC, using technology to produce magnetic semiconductor integrated circuit, which is determined by the voltage regulator. Hall voltage generator, differential amplifier, Schmidt trigger, temperature compensation circuit and the collector electrode open circuit output stage consisting of magnetic sensing circuit, the input for the magnetic flux density, the output is a digital voltage signal. This section circuit pipe legs with pure tin production, the complete model is 3144EUA-S or 3144LUA-S.

Reviews

Global ratings 3
  • 5
    1
  • 4
    2
  • 3
    0
  • 2
    0
  • 1
    0

Type of review

Revainrating 5 out of 5

Works great: Power converter

I have 15 such pieces in use. I cut a line from the ADJ trace with a razor blade and soldered pads between 5v and 3.3v as needed.

Pros
  • Electronics
Cons
  • There are doubts

Revainrating 4 out of 5

Do not exceed 24V, even with spikes or noise

Pros: Pretty much meets my expectations, plus it's quite small. two of them (30 pk). They can fail due to a short circuit, so use a fuse. Please note that the adjustable voltage is already selected by a jumper on the back and is very difficult to see without a scope. If you need a fixed voltage, disconnect this jumper and connect it to a jumper for the desired voltage.

Pros
  • Power Accessory
Cons
  • Empty

Revainrating 4 out of 5

without instructions

without instructions, this module is not for non-electronics technicians. Other than that, it's pretty straight forward. Make sure the input voltage is higher than the desired output voltage. That's a step down, not a step up. Don't draw more than 3 amps, probably won't do without a heatsink or cooling. The adjustment potentiometer is not very good either. One board was really unstable with the bank. If you want to use the fixed output option you need to cut the trace, the variable output…

Pros
  • power converter
Cons
  • requires socket