COOLWELL best sellers

#1 Waveshare 2 Channel Isolated Coolwell Waveshare 2-Channel Isolated CAN Bus Expansion HAT for Raspberry Pi Series Boards MCP2515 + SN65HVD230 Dual Chips Solution Multi Allows 2-CH CAN Communication 1

28.50 € on Amazon

#2 Industrial Serial RS232 COOLWELL Industrial Serial RS232 to RJ45 Ethernet Server Module with POE Function TCP/IP to Serial Rail-Mount Support

44.05 € on Amazon

#3 RS485 CAN HAT for Raspberry COOLWELL RS485 CAN HAT for Raspberry Pi 4B+ 4B 3B+ 3B 2B+ Zero W WH Communicate via RS485/CAN Onboard Controller MCP2515 Transceiver SN65HVD230

19.30 € on Amazon

#4 Digital LTR390 UV Ultraviolet COOLWELL Digital LTR390-UV Ultraviolet Sensor Module (C), Direct UV and Ambient Light Intensity Index Value Output, I2C Interface

14.40 € on Amazon

#5 Industrial Serial Server COOLWELL Industrial Serial Server RS485 to RJ45 Ethernet Converter, TCP/IP to Serial, Rail-Mount Support,Functions Include Modbus/MQTT Gateway

30.71 € on Amazon

#6 Waveshare USB Sound Card Coolwell Waveshare USB Sound Card USB Audio Module with Speaker for Raspberry Pi/Jetson Nano, Driver-Free, External Audio Converter,Recording and Playback Support

19.85 € on Amazon

#7 USB Sound Card USB Audio COOLWELL USB Sound Card USB Audio Module for Raspberry Pi/Jetson Nano,Driver-Free, External Audio Converter,Recording and Playback Support

13.43 € on Amazon

#8 Raspberry Pi 400 GPIO COOLWELL Raspberry Pi 400 GPIO Header Adapter, 2X 40PIN Header, Leaning Version,Angled Header Expansion, Convenient to Use Hats (PI400-GPIO-ADAPTER-B)

10.75 € on Amazon

#9 RS485 to WiFi/Ethernet Coolwell RS485 to WiFi/Ethernet (ETH) Converter Module, Rail-Mount Serial Server, Modbus/MQTT Gateway

47.99 € on Amazon

#10 RS485 to WiFi/Ethernet COOLWELL RS485 to WiFi/Ethernet (ETH) Converter Module, Rail-Mount Serial Server, Modbus/MQTT Gateway

43.90 € on Amazon

#11 RGB Full Color LED Matrix COOLWELL RGB Full-Color LED Matrix Panel for Raspberry Pi and Ardui, 3mm Pitch, 64×64, 4096 Individual RGB LEDs, Brightness Adjustable

44.15 € on Amazon

#12 Industrial Grade RS232/485 coolwell Industrial Grade RS232/485 to WiFi ETH Serial Server 6t Modbus Gateway MQTT Gateway Metal Case

43.19 € on Amazon

#13 SIM7028 NB IoT HAT for Coolwell SIM7028 NB-IoT HAT for Raspberry Pi 4B+ 4B 3B+ 3B 2B+ Zero W WH 2W for Arduino Jetson Nano Supports Global Band NB-IoT Communication with GSM Antenna

23.99 € on Amazon

#14 Official for Raspberry Coolwell Official for Raspberry Pi Active Cooler Fits Raspberry Pi 5 with Temperature-Controlled Blower Fan Aluminium Heatsink

17.50 € on Amazon

#15 PCIe to USB 3.2 Gen1 COOLWELL PCIe to USB 3.2 Gen1 Adapter Designed for Raspberry Pi Compute Module 4 IO Board(CM4), 4X High Speed USB Ports,Compatible with USB 3.0/2.0/1.1

22.95 € on Amazon

#16 UPS HAT for Raspberry COOLWELL UPS HAT for Raspberry Pi Series Boards Support 5V Uninterruptible Power Supply Charge and Power Output at The Same Time Real Time Monitoring

33.95 € on Amazon

#17 7.3 Inch E Paper Display COOLWELL 7.3 Inch E-Paper Display ACeP 7-Color E-ink Screen Module with Solid Wood Photo Frame Ultra-Long Standby 800 × 480 with Battery and Button Cell

95.50 € on Amazon

#18 1.27 Inch RGB OLED Module Coolwell 1.27 Inch RGB OLED Module for Raspberry Pi/Arduino/STM32 128×96 Display 262K Colors Onboard Driver SSD1351 SPI Interface

25.91 € on Amazon

#19 WM8960 Audio Module Hi Fi Coolwell WM8960 Audio Module Hi-Fi Sound Card HAT for Raspberry Pi 4B+ 4B 3B+ 3B 2B+ Zero W WH 2W Stereo CODEC Play/Record

21.85 € on Amazon

#20 Solar Power Manager (C) COOLWELL Solar Power Manager (C), Compatible with 6V~24V Solar Panels, Supports 3X 18650 Batteries(Not Include), Supports MPPT Function

31.90 € on Amazon