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Specifications
- DIY Supplies: Electrical
- Display Size: 3.0 - 4.9 Inches
- Model Number: NE555
- Brand Name: diymore
NE555 Pulse Frequency Duty Cycle Square Wave Rectangular Wave Signal Generator Adjustable 555 Board NE555P Module
0.79
$
1
orders
/
17
reviews
Price history
- for 3 month
- for half a year
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Customer Reviews
Anonymous
November 7, 2020
The description says that in the highest frequency position, you can change the frequency between 10kHz and 200kHz. That is not correct. It only starts from 42kHz to 453 kHz. I needed 16kHz. To realize that, I had to change the smallest 1nF capacitor to 10nF. The description about the capacitors is also wrong. For the highest frequency, you need the smallest capacitor and for the lowest frequencies, you use the biggest capacitor of 100µF. The printed circuit is very good.
J***o
February 19, 2020
Very poor assembly. Pin header strips soldered with lot of disalignment (hard to plug the jumper). I had to resolder all the pin strips (Freq range set and VCC/OUT also). Poor frequency and duty cycle stability . I get what you pay for :-(.
Anonymous