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LM4881 Mini Headphone Headset Amplifier Board Audio Preamplifier Amplifiers 2.7-5.5V DC
US$5.30 US$13.99

Q: The gain is a bit too much for me, 20-40 % of volume would be a lot better. Can I add or adjust something to do this?

Asked by warcow on 2022-01-06 10:38:09

BG351738321 Please contact the customer support.

2022-02-07 11:36:22 Helpful (0)
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Answers (2)
2000W Speed Controller SCR Voltage Regulator Dimming Dimmer Thermostat
US$4.49 US$9.99

Q: Will I be able to use this to power a 110 V toaster on my 230V mains? For that I would like to reduce the voltage to about 110V, the power consumption will then be around 1500 Watt probably.

Asked by warcow on 2019-06-21 10:18:02

BG563894413 Try it should make sure to adjust range

2021-12-22 01:41:02 Helpful (0)
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Answers (3)
warcow 02/05/2018
Worked for about 3 seconds and then it just short circuited or something. Now heats up quickly even with nothing attached to it.
10Pcs 4.75V-24V To 0.92V-15V DC-DC Adjustable Power Supply Buck Converter Step Down Module
US$14.36 US$19.99
1
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100W Full Spectrum 380-840nm COB LED Grow Light Chip DIY for Indoor Plant
US$11.42 US$16.21

Q: 20-21 lumen per Watt?? Isn't the light output a bit low?

Asked by warcow on 2019-03-19 04:37:30

Thurloug Guffaw It is 2000-2100lm.

2019-04-02 04:07:45 Helpful (0)
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Answers (1)
warcow 05/04/2018
Ordered 2 of these h107d's. The first one worked perfectly even though the camera angle is a bit small. The second one could not be trimmed with the remote. Ordered a third one and this one could also not be trimmed. Problem with the transmitter because if I use the transmitter of the first one it all works fine.
Hubsan H107D FPV X4 5.8G 4CH 6 Axis RC Drone Quadcopter VS Estes Protox FPV
US$63.54 US$135.18
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