The [MCP16251](MCP16251) is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter. This family of devices provides an easy-to-use power supply solution for applications powered by either one-cell, two-cell or three-cell alkaline, NiCd, NiMH and one-cell Li-Ion or Li-P...
A little pcb to sum up the connections from the esp8266 and the ws2812b led strip.
Also there is a easy way for power IN and OUT.
The top connector is for power IN or OUT.
The second connector is for the serial communication.
The third connector is for power IN or OUT.
The last connector is for the ws2812b led (strip).
"-" means GROUND (GND)
"+" means +5Volt (+5V)
"T" means Transmit (TXD0)