Pyboard MicroPython Uses python3 STM32F405 Core Board PYB1.1 STM32 Development Board

Features: ? - Debugging default output about 9V before use - Input voltage 4.5-8V - Continuously adjustable output voltage 4.3-27V (Any voltage above 4.3V and below 27V can be output and adjusted by itself.) - Counterclockwise step-up - Charging Voltage 4.2V Charging Current Maximum 1A (The maximum discharge current 2A output current should be calculated by itself.) - Output reference maximum current 5V 1.4A, 9V 0.8A, 12V 0.6A - Static current is about 0.5 mA - Over-shock protection has - Dimension 3.3 x2.3 x0.9 cm - For example, VIN + terminal connected 5V solar panel BAT + terminal can output 4.2V to charge 3.7V 18650 battery. - The OUT + terminal can output an adjustable voltage and adjust it by itself. - It can be used for recharging lithium batteries in multimeter refitting ? Package Included: ? 1 x Pyboard MicroPython Uses python3 STM32F405 Core Board