5pcs 12V 10 Way 4pin Fan Hub Speed Controller Regulator For Computer Case With PWM Connection Cable CPU Fan Dedicated Interface PWM Wire Interface IDE Power Supply Socket Fixed Screw Hole

2pcs UNO R3 ATmega16U2 AVR USB Development Main Board Geekcreit for Arduino — products that work with official for Arduino boards

3Pcs UNO R3 ATmega328P Development Board Geekcreit for Arduino — products that work with official Arduino boards

2pcs Geekcreit® ESP32 WiFi+bluetooth Development Board Ultra-Low Power Consumption Dual Cores Unsoldered

Amanero Combo384 Module DSD512/PCM384 32bit For AK4497 ES9038 AK4493 Decoders F10-007

ALTERA Cyclone IV EP4CE6 FPGA Development Board Kit Altera EP4CE NIOSII FPGA Board and USB Downloader Infrared Controller

Geekcreit® UNO R3 ATmega328P Development Board No Cable Geekcreit for Arduino — products that work with official Arduino boards

ESP32-Aduio-Kit WiFi+ bluetooth Module ESP32 Serial to WiFi Audio Development Board with ESP32-A1S

M365 Pro Motherboard Circuit Board Dashboard Board with Display Kit For Electric Scooter

3pcs Pro Micro 5V 16M Mini Leonardo Microcontroller Development Board

Mega 2560 R3 ATmega2560-16AU Development Board Without USB Cable Geekcreit for Arduino — products that work with official Arduino boards

5Pcs ATmega328P Nano V3 Module Improved Version With USB Cable Development Board