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PortaPack H2 + HackRF One SDRラジオ with Firmware + 0.5ppm TCXO GPS + 3.2インチタッチLCD + メタルケース + アンテナキット
US$229.99 US$256.99

Q: Does this have touch screen? some pictures show a dial and others show no dial. Does it come with the dial?!

尋ねた KeithGold に 2020-09-21 09:52:00

Patrick It is a touch screen. You didn't see the dial because it was covered with a cap.

2020-10-10 09:00:50 役に立つ (1)
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回答 (1)
KeithGold 17/08/2019
ElectroMagnetic Radiation Meter. Arrived within a week of ordering!! Fastest delivery from China to US I have ever experienced! Very impressed with delivery speed. The item works as described. It measures electrical and magnetic fields and displays them separately. The measurements can be displayed as peak or average and can be “frozen” with a button press. It will also alarm with either measurement going above a “safe” level. The electronics inside include microprocessor technology with an inductive and a resistive sensor. The main circuit board was assembled well with no obvious defects or cold solder joints. This means that it should be rugged, solid and able to withstand hard use. Overall, a very impressive measurement device at a reasonable cost.
GM3120電磁放射テスター電界放射+磁界放射検出電話PC家庭用機器放射線監視
US$25.43 US$30.52
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Geekcreit CNCシールドUNO-R3ボード4xA4988ドライバーキット、ヒートシンク付き、彫刻機3Dプリンター用
US$22.99

Q: Good morning, this kit is for mounting a cnc, like controlling the motors of the camera. and send message to print. thanks

尋ねた JoãoBatistaLimaJr に 2019-08-05 07:02:15

KeithGold Thiswill control a CNC machine with servos

2019-08-06 10:04:43 役に立つ (0)
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回答 (1)
KeithGold 10/08/2019
exactly as advertised. easy and quick transaction. a quality product
Wendao V-156-1C25 マイクロスイッチ ロング ヒンジ ローラー レバー ストローク リミット スイッチ 10 個
US$13.99 US$16.99
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