In our application, especially in some outdoor applications, we often need to use the lithium battery, lithium battery charging problem is a need to solve the problem, we designed this mini lithium battery charging board.
Board size is very small , It can u solar
he level converter is very easy to use. The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system is using. High voltage (5V for example) to the ‘HV' pin, low voltage (3.3V for example) to ‘LV', and ground from the system to the ‘GND' pin.
If you are in need of such a 4.0 BLE Bluetooth module, MCU can be set up,also can controlled by a remote Bluetooth device for setting,can transfer data, and can remotely control 10 PIO pins,so,the best choice is HM-10 bluetooth module. can replace HC-05, HC-06, HC-07 etc.
If you’ve ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. This logic level converter is a small device that safely steps down 5V signals to 3.3V and steps up 3.3V to 5V. This level converter also works with 2.8V and 1.8V devices. Each level converter has the capability of converting 4 pins on the high side to 4...
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