BG410381781
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HAIM 18/08/2022
The item does not light up. it initializes but never lights up.
1.3インチIPS TFT LCDディスプレイ 240*240カラーHD LCDスクリーン 3.3V ST7789ドライバーモジュール
US$12.99
0
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ESP32 ESP32S 18650 バッテリーチャージシールド V3 マイクロUSB タイプA USB 0.5A テスト充電保護ボード Geekcreit アルディーノ対応製品
US$6.99 US$9.99

Q: what is the unloaded current draw of the board itself?

尋ねた BG410381781 に 2022-02-09 02:28:24

DrMichael I've measured this at 0.35mA (348uA) with a multimeter in series with a Li battery (at 3.98V). It measures the same whether or not the Output USB is switched on.

2022-02-09 10:45:12 役に立つ (3)
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回答 (2)
HAIM 23/12/2021
I just received it. I will test it when I find time for it. Thanks for the fast delivery.
NanoVNA-H4 50KHz〜1.5GHzのVNA HF VHF UHF UV 4インチLCDベクトルネットワークアナライザー
US$59.99 US$699.00
0
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FX-950/FX-951ハンダごてステーション用T12-ILSはんだごて先
US$6.99 US$10.99

Q: the tip heats up to 400 C and cannot be controlled. (other tips work fine)

尋ねた haim.jamer に 2018-05-04 12:02:11

aecarcu Bubble wrap hasn't come to China yet. Worst packaging ever. I don't recommend buying this.

2020-06-25 05:07:38 役に立つ (1)
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回答 (2)
HAIM 18/06/2019
Very simple MOSFET with input isolated by an opto-coupler. Has wide power tracks and screw terminals for control input on one side and power /load on the other side of the board. Very useful for interfacing digital level signals to high current/voltage switching. Nicely built and well marked connection points.
5個30V 161A絶縁MOSFET MOSチューブFETモジュール交換リレーLR7843
US$7.99 US$9.99
3
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HAIM 18/06/2019
This is one of the best USB to TTL adapters and I use it all the time. The board has a mini USB connector (make sure you have the right cable for it). I soldered the 90 degrees 6 pin connector it for general use. There are also many other possibilities to connect pin headers/wires to the board. very important feature is the on board jumper which must be set correctly for either 3.3 or g Volts, in accordance with the controller type you use. All in all this is a very good value for money and I recommend it to all users.
Geekcreit® FT232RL FTDI USB TTLシリアルコンバーターアダプターモジュールGeekcreit Arduinoとの連携 - 公式Arduinoボードと動作する製品
US$9.99 US$10.99
0
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HAIM 11/06/2019
Very good quality. This is a compact power receptacle for 10A with a replaceable fuse holder. Access to the fuse is very easy. There is also a rocker on/off switch which clicks into the receptacle. All in all this is a very good value and also looks very professional. I will recommend it willingly to interested people.
250V 10A AC 3-in-1 ヒューズ 電源 ソケット コネクタ ロッカー スイッチ
US$8.99 US$10.99
0
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HAIM 11/06/2019
This smd practice kit is exactly what is required for practicing smd soldering. It contains all types of smd components with the most usable sizes for practice training. The board also features various testing points that enable the user to verify the quality of his/her work. The board is very densely populated and has many many components to solder and practice on. I like it very much and hope to learn from it and enjoy it very much.
トレーニング用DIY電子SMDコンポーネントはんだ練習モジュールキット
US$3.99 US$4.99
0
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HAIM 03/04/2019
The charge board is very well constructed. It has sturdy battery posts that hold the 18650 cell firmly in place. Charging is done from the usb port. The board supplies 5V through a usb port and also 5V and 3.3Volts directly from the board. The on/off switch is very handy too. All in all this is a very well engineered product. It is very useful as a charger and as part of any battery powered diy project. I will recommend this product to my friends.
ESP32S ESP32 0.5A マイクロ USB 充電ボード 18650 バッテリー充電シールド（バッテリーなし）
US$8.99 US$10.99
0
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HAIM 26/01/2019
These tweezers turned out to be a very good value for their price. The sis tweezers are very precise and of good quality. I use the set mainly for electronics work and other jobs that require handling of small items such as tiny screws. The tweezer set includes tweezers of various lengths and tip sizes, which are useful for a large range of jobs. The tweezers came in a nice utility bag, each in its own compartment so they can be kept together, carried together and stored in an orderly way. All in all this is one of my best tool purchases and I recommend it to all my friends.
DANIU6Pcs安全な帯電防止ピンセットメンテナンス修理ニッパー鉗子ツールキットESD10-15
US$10.99 US$13.99
0
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HD 5 .0MP 800XポータブルUSBデジタルLCD顕微鏡4.3インチLCDスクリーン+アルミニウム合金スタンド
US$61.54 US$73.40

Q: where is the viewer software

尋ねた haim.jamer に 2018-11-20 02:52:12
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回答 (0)
BG410381781 20/11/2018
The DM01 arrived well packed in two separate boxes: one containing the camera and LCD and the other containing the metal stand. The assembly was very easy. After only 3 minutes I was able to look at my SMD boards and see all the tiny details. The stand is quite robust, but the ring into which the camera is inserted is a bit loose. This product is very easy too work with as it allows a good distance from the object to the lens. I have not yet tried the connectivity to the computer because I have not received a link to their viewer software for Windows. All in all it is a very good value for the price and I will recommend it to my friends.
HD 5 .0MP 800XポータブルUSBデジタルLCD顕微鏡4.3インチLCDスクリーン+アルミニウム合金スタンド
US$61.54 US$73.40
0
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BG410381781 19/11/2018
The product arrived well packed and in good condition. It is exactly as described in the site. The silicone pad is the perfect size for me. It is strong and there is a very good feel to it. I can solder directly on it without harming the table top. the pad itself remains clean and is resistant to the heat. Very good product and good value for the price.
DANIU 45x30cm マグネット熱絶縁シリコンパッドデスクマットメンテナンスプラットフォーム、磁気セクション付き
US$28.99 US$34.99
0
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BG410381781 07/11/2018
Very strong spring loaded crocodiles. It was difficult to attach the plastic covers to the crocodiles but they fit very well.
DANIU P2002 10Pcs5カラー100V20A 4mmBanana Plugクロコダイルアリゲータークリップ安全テストフォルダー
US$9.99 US$11.99
0
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