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4
11
reviews
All
5
4
3
2
1
U***F
,
5
9 months ago
Ok
T***G
,
5
10 months ago
An excellent booster scarf, I use it in electronic homemade watches in conjunction with a lithium battery ..
G***T
,
5
11 months ago
Use this board only with batteries that have overdischarge protection, otherwise you will kill your battery. Thank you.
N***M
,
5
1 year ago
Everything works.
H***S
,
5
1 year ago
Works, I recommend.
M***N
,
5
1 year ago
Good product, tested, everything works.
X***C
,
5
1 year ago
Payment working thank you. 5 star seller recommend product
A***Z
,
4
1 year ago
received but not tested.
H***S
,
5
1 year ago
Thanks!
R***I
,
5
1 year ago
I received the modules, checked the voltage in operation, the regulator was initially set to 9 volts, when adjusting one, the upper part of the regulator fell off, now you need to either change the potentiometer or select a constant resistor, but mostly normal reg, regulators especially in measuring instruments for 9 volts.