Double-sided, tin-plated, 2.54mm spaced (0.1”) fibreglass board. Individual pads, not tracks/strips...
$8.50
Alkaline 9V battery..
$3.50
Single AA (LR06) alkaline battery. ..
$1.00
This thumbstick is an analog joystick - more accurate and sensitive than just "directional" joysticks - with a "press in to select" button. Since it's analog(10k potentiometers), you'll need two analog reading pins on your microcontroller to determine X and Y. Having an extra digital input will let ..
$4.00
The keyestudio Leonardo is a microcontroller board based on the ATmega32u4 It is an easy-to-use open source hardware.It has 20 digital input/output pins (of which 7 can be used as PWM outputs), 12 analog inputs, a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header,..
$17.00