USB Charger Doctor & 400 kV Step Up Converter |

The USB Charger Doctor is a compact and easy-to-use voltage and current meter for Arduino. It can be used to measure and monitor the voltage and current of any USB-powered device, making it ideal for use in a variety of applications, including charging, p

CHARGER DOCTOR 是電源的電壓、電流輸出檢測器，行動電源好不好馬上現形！ 這的小東西不到台幣兩百元，對於檢測行動電源大大的有幫助，使用方式非常的簡單，將這個小機器介在手機與行動電源之中

Thanks to the Doctor, you will now be able to watch and care for your USB-powered projects. Use the USB Charger Doctor to measure the working voltage and current output for any USB port and project. This blue plastic dongle plugs between a USB device, and

絕佳組合:USB 電源測試儀用於測量 USB 充電器、連接線、電腦和 Mah 容量的功率。 易於使用:非常易於使用的電流和電壓轉換器,您無需深入的技術知識即可使用它;只需即插即用,您就可以看到電纜/適配器組合正在為您的設備提供什麼。

可檢測任意款USB輸出的電源、充電器、電腦USB、車用充電器及移動電源，可方便的測量出USB口的空載電壓、帶載電壓及設備工作時的電流，並以此判斷充電器及充電線的性能是否符合要求；

Use the USB Charger Doctor to measure the working voltage and current output for any USB port and project. This dongle plugs between a USB device, and passes the data lines through.