RodMcM
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3pcs 0.28 Inch Two-wire 2.5-30V Digital Green Display DC Voltmeter Adjustable Voltage Meter
US$7.99 US$8.99

Q: Hi, I bought 6 of these, blue, XH - 028 V4.0 I cannot get below 4.5V before they turn off.. Is there any reason for this? The older ones where adjustable

Asked by RodMcM on 2021-09-02 02:26:28

JunhanYu sorry not sure for that.

2021-09-03 05:12:24 Helpful (0)
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RodMcM 06/12/2020
Seems to do the job of generating waves but the biggest disappointment was the screen size and the very small writing on the screen. I think that the screen should only display each channel in big clear letters. Also the frequency measurements should show a scaling ie 1301HZ, or 1.301 x kHZ ,
FY6900 Dual Channel DDS Function Arbitrary Waveform Signal Generator Pulse Signal Source Frequency Counter Fully Numerical Control 20MHZ/60MHZ
US$93.59 US$139.99
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10PCS LUSTREON DC12V Male Power Supply Jack Connector Cable Plug Cord Wire 5.5mm x 2.1mm
US$4.38 US$10.99

Q: Can you supply a 2.1mm plug with 1000mm cable length?

Asked by RodMcM on 2020-07-24 05:42:09

Sniftywas this item seems do not have 1m version.

2020-07-28 08:55:48 Helpful (0)
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RodMcM 04/03/2020
Ordered 2, Once has 12V output the other only 9.4V
1m 5V DC To 12V DC USB Power Cable Data Adapter Charger Plug with LED 2.1mm x 5.5mm
US$5.15 US$15.99
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Excellway® JS01 10pcs 5.5 x 2.1mm DC Power Supply Female Jack Socket
US$1.99 US$9.99

Q: Hi Can you publish a dimension drawing please

Asked by RodMcM on 2018-04-10 11:14:40
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ESP32 Test Board Small Batch Burn Fixture Min System Development Board For ESP-WROOM-32 ESP-32S
US$10.99 US$26.99

Q: Hi Do you have a schematic please.. I would like to know the connections of the LEDs and Push Buttons.. Great Product

Asked by RodMcM on 2018-08-13 02:23:00

Tricoaster sorry I don't have the schematic .

2018-08-28 01:45:39 Helpful (0)
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