Wire Blue 22 AWG Flexible Silicone Cable 0.3mm2 High-Temperature Max 200 Degrees Arduino Pogo Pins "Crown Head" (10 pack) - P75-H2 One variety of these boards

One variety of these boards is the Nano

DC barrel jack 5

Why makers choose this board

and Raspberry Pi style projects where you need reliable real-world data from the temperature & humidity sensor sht20 i2c waterproof probe

Wire Blue 22 AWG Flexible Silicone Cable 0.3mm2 High-Temperature Max 200 Degrees Arduino Pogo Pins "Crown Head" (10 pack) - P75-H2 One variety of these boardsBlue 22 AWG silicone insulated hookup wire, sold per meter. Stranded copper core, very flexible, bends into tight spaces without cracking. Silicone jacket rated to 200C, so it holds up near heat sources. Handy for Arduino, Raspberry Pi, LED, and battery wiring where color coding helps. Specs Gauge 22 AWG (0. 3mm2) Conductor Stranded copper Insulation Silicone rubber Rated voltage 600V Max temp 200C Length 1 meter