The D1 is an Arduino Uno-like wifi board based on ESP-8266EX.
11 digital input/output pins
1 analog input(3.3V max input)
a Micro USB connection
a power jack, 9-24V power input.
Compatible with Arduino
“An open-source firmware and development kit that helps you to prototype your IOT product within a few Lua script lines” Based on ESP8266 ESP12E wifi board, on-board USB-TTL support directly flashing from USB port, also on-board power circuits and all IOs setup.
This set of jumper wires can help you remove the clutter on your breadboard. It comes in 14 different lengths and 8 colors to keep your circuit on the surface. All of them are pre-formed and pre-sorted. You can easily find the color and length you need within a sec.
There are 10 pcs for each length including 2/5/7/10/12/15/17/20/22/25/50/75/100 and 125mm.