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Coolwell

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Products of the Coolwell range from £7.35 to £77.5, and the average price of all the products is about £23.28. So your total expense can vary depending on the products chosen, which allows you to choose products according to your budget.

Coolwell offers 156 products for sale, giving you more than enough choices but not too much to dazzle you. We analyzed some of them in detail and recommended them to our readers. If you find yourself hesitating about a purchase, check out our thorough Coolwell review to see what the best picks are.

Coolwell Best Sellers

Last Updated: 14 Jun 2023

Isolated RS485 RS232 Expansion HAT Board For Raspberry Pi Series, Control via SPI, Overcurrent/Overvoltage Proof

Onboard resettable fuse and protection diodes, ensure the stable output of RS485 current and voltage, prevent over-current and over-voltage, improve shock resistance
Adopts the combination scheme of SC16IS752, SP3485 and SP3232, converts SPI to one RS485 and one RS232
Onboard TVS (Transient Voltage Suppressor), can effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic
Comes with development resources and manual (examples in C and Python)
Breakout SPI control pins, for connecting with Arduino and other host control boards

Raspberry Pi Pico Board Flexible Microcontroller Board Based on the Raspberry Pi RP2040 Chip Featured Dual-core ARM Cortex M0+, Flexible Clock Running up to 133 MHz

USB 1.1 with device and host support;Accelerated floating-point libraries on-chip
RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom;Castellated module allows soldering direct to carrier boards
Low-power sleep and dormant modes;Drag-and-drop programming using mass storage over USB;Accurate clock and timer on-chip
Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz; 264KB of SRAM, and 2MB of on-board Flash memory
26 × multi-function GPIO pins;2 × SPI, 2 × I2C, 2 × UART, 3 × 12-bit ADC, 16 × controllable PWM channels;8 × Programmable I/O (PIO) state machines for custom peripheral support

Coolwell RGB Full-Color LED Matrix Panel for Raspberry Pi And Ardui, 4mm Pitch, 64×32, Brightness Adjustable,2048 Individual RGB LEDs

2048 individual RGB LEDs, full-color display, adjustable brightness
Provides open source development resources and tutorials, for use with Raspberry Pi, Ardui, and so on
System ram type: dimm
Onboard two HUB75 header, one for controller data input, one for output, chain support
64×32 pixels, 4mm pitch, allows displaying text, colorful image, or animation
256×128mm dimensions, moderate size, suitable for DIY desktop display or wall mount display

Coolwell Waveshare 1.14inch LCD Display Module For Raspberry Pi Pico, Embedded ST7789 Driver, 65K RGB Colors, 240×135 Pixels, Using SPI Bus

SPI interface, requires minimal IO pins
240×135 resolution, IPS screen, 65K RGB colors, clear and colorful displaying effect
Comes with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples): http://www.waveshare.com/wiki/Pico-LCD-1.14
4x user buttons for easy interacting

Audio Expansion Module For Raspberry Pi Pico, Headphone And Speaker Signal Output At The Same Time, Wide Range Audio Sampling Rate

Standard 3.5mm audio jack, for connecting external headphone
Standard Raspberry Pi Pico header, supports Raspberry Pi Pico series
Stereo sound effect output; Using 3-wire I2S, effectively reducing EMI
Dual channels speaker headers, for direct driving speakers
8~384000Hz audio sampling rate

Coolwell Waveshare SX1262 LoRa HAT for Raspberry Pi/Arduino/STM32 Spread Spectrum Modulation up to 81 Available Signal Channel 868MHz Frequency Band Allows Data Transmission up to 5km

LoRa spread spectrum modulation technology, up to 81 available signal channel, longer communication distance, more robust to interference;Auto multi-level repeating, suit for ultra long range communication, allows multi network on the same region
Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards;Onboard CP2102 USB TO UART converter, for serial debugging; Brings the UART control interface, for connecting host boards like Arduino/STM32;4x LED indicators, easy to check the module status
Supports LBT, monitoring the signal channel noise before transmitting, greatly improves the success ratio under extreme environment;Supports RSSI signal intensity indicating, for evaluating signal quality, tuning the network; Supports wireless parameter configuration, by sending wireless command/data packet, remotely configure or retrieve the module parameter;Supports fixed-point transmission, broadcast, signal channel monitor
Low power consumption features like deep sleeping and Wake on Radio, ideal for battery-powered applications;Customizable communication key which won't be retrieved, greatly improves the security of user data
Comes with development resources and manual (examples for Raspberry Pi/STM32), download: www.waveshare.com/wiki/SX1262_868M_LoRa_HAT

High-Precision AD HAT Compatible With Raspberry Pi Series & Jetson Nano, ADS1263 10-Ch 32-Bit ADC

with embedded 24-bit auxiliary ADC, internal ADC test signal, IDAC, 2.5V internal reference voltage, 8x multiplexing GPIO, PGA (32 times Max)
Adopts ADS1263 chip, low noise, low temperature drift, 10-ch 32-bit high precision ADC (5-ch differential input), 38.4kSPS Max sampling rate
Resources download: http://www.waveshare.com/wiki/High-Precision_AD_HAT
Onboard control header, make it easy to control the module by other hosts in additional to Raspberry Pi;Three-wire RTD (resistor temperature detector) circuit, enabled by soldering 0R resistor
Onboard AD header input, compatible with Waveshare sensor pinout, for connecting sorts of sensor modules;Onboard AD screw terminal input, allows connecting analog signal and analog power supply, general purpose interface

Coolwell 1.3inch LCD Display Module For Raspberry Pi Pico Series Board,Embedded ST7789 Driver, Using SPI Bus, 65K RGB Colors, 240×240 Pixels

SPI interface, requires minimal IO pins
240×240 resolution, IPS screen, 65K RGB colors, clear and colorful displaying effect
Onboard Female Pin Header For Direct Attaching To Raspberry Pi Pico;1x Joystick And 4x User Buttons For Easy Interacting
Comes with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples)

SIM868 GSM/GPRS/GNSS Module For Raspberry Pi Pico, Supports 2G Communication, Phone Call, SMS,GNSS Positioning, Bluetooth Connection (Pico-SIM868-GSM/GPRS/GNSS)

UART communication, serial AT commands control; Supports SMS, phone call, GPRS, DTMF, HTTP, FTP, MMS, email, etc.
Standard Raspberry Pi Pico header, supports Raspberry Pi Pico series boards; Onboard nano SIM card slot, supports 2G/4G SIM card
Onboard microphone, together with speaker header, can be used to make phone call; 2x LED indicators, for monitoring the module operating status
Integrates 3.7V Li-po battery connector and recharge circuit, allows being powered from external rechargeable Li-po battery, or recharging it in turn
Bluetooth3.0 support, allows Bluetooth data transfer; RTC real time clock, with rechargeable Li-po battery

Dual Gigabit Ethernet(ETH) Mini-Computer Based On Raspberry Pi Compute Module 4 (CM4 NOT Included), With Cooling Fan, Metal Case

Rich Interfaces: Providing Interfaces Including: ETH/CSI/DSI/RTC/HDMI/Micro SD/USB
Designed For Raspberry Pi Compute Module 4: Waveshare CM4-DUAL-ETH-BASE Inside, Fast And Easy To Build A Mini-Computer
Wall Mount Support: Wall Mount Holes On Two Sides, Handy For Mounting
Precise Cut-Out With Clear Label: Each Cut-Out Is Completely Aligned With The Connector
Cooling Fan Included: Comes With Cooling Fan, Combined With The Airflow Vent, Better Heat Dissipation
Application Examples: Binocular Vision Raspberry Pi Projects, Or Other Industrial Context

2inch LCD Display Module HAT For Raspberry Pi Pico, Embedded ST7789VW Driver, Using SPI Bus, 320×240 Pixels, 65K Colors

SPI interface, requires minimal IO pins
320×240 resolution, IPS screen, 65K RGB colors, clear and colorful displaying effect
Comes with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples)
4x user buttons for easy interacting

Dedicated Aluminum Heatsink For Raspberry Pi Compute Module 4 CM4, Notched For Antenna, Corrosion/Oxidation Resisting

Tailored For CM4 & Based Board: Matching With The CM4 On Size And Mounting Holes, Fast Heat Dissipation
Aluminum Heatsink For CM4: Dedicated Aluminum Heatsink, Corrosion / Oxidation Resisting, Better Heat Dissipation
Notched For Antenna Section: No Hindrance To The Antenna

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

Flexible power supply options: powered from either PCIe 12V, OR from 12V DC header
Designed for Raspberry Pi Compute Module 4 IO Board; 4x USB 3.2 Gen1 ports, USB 3.0 / 2.0 / 1.1 compatible
When used with PC mother board, you'd better connect it through a PCIe extension cable
Onboard VL805 chip, driver free, plug and play

Raspberry Pi Pico Board with Pre-soldered Header Flexible Microcontroller Board Based the Raspberry Pi RP2040 Chip Featured Dual-core ARM Cortex M0+

USB 1.1 with device and host support;Accelerated floating-point libraries on-chip
RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom;Castellated module allows soldering direct to carrier boards;Pre-soldered header, easy to use
Low-power sleep and dormant modes;Drag-and-drop programming using mass storage over USB;Accurate clock and timer on-chip
Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz; 264KB of SRAM, and 2MB of on-board Flash memory
26 × multi-function GPIO pins;2 × SPI, 2 × I2C, 2 × UART, 3 × 12-bit ADC, 16 × controllable PWM channels;8 × Programmable I/O (PIO) state machines for custom peripheral support

Coolwell Waveshare 4inch Arduino Display Module Resistive Touch Screen TFT LCD Shield 480x320 SPI Interface Compatible with Arduino UNO/Leonardo/UNO PLUS STM32 NUCLEO/XNUCLEO

Standard Arduino interface, compatible with development boards like : Arduino UNO, Leonardo, UNO PLUS, NUCLEO, XNUCLEO
Resistive touch screen TFT LCD, 4inch, 480x320 resolution
PWM backlight control, allows to adjust the backlight to a comfortable level; Micro SD slot, provides an easy way to store photos for displaying; Controlled via SPI, only a few Arduino pins are used
Onboard stand-alone touch controller, better touching than solutions that use AD pins directly for touch control
Comes with STM32 and Arduino examples, convenient for porting, download: www.waveshare.com/wiki/4inch_TFT_Touch_Shield

USB 3.2 Gen1 HUB HAT For Raspberry Pi with 4x USB 3.2 Gen1 Ports, Driver-Free compatible with USB 3.0/2.0/1.1

Onboard external USB-C 5V DC power port, ensures more stable power supply;1x power indicator and 4x USB port indicators, easy to check the operating status
4x USB 3.2 Gen1 ports, compatible with USB 3.0 / 2.0 /1.1
Purpose-made for Raspberry Pi 4, compatible with other Raspberry Pi version as well
Driver-free, plug and play, compatible with OS including Windows, mac OS, Linux and Android
Comes with development resources and manual: http://www.waveshare.com/wiki/USB_3.2_Gen1_HUB_HAT

Coolwell 1.44inch LCD Display Module HAT For Raspberry Pi Pico Series, Embedded ST7735S Driver,65K RGB Colors, 128×128 Pixels, Using SPI Bus

128×128 resolution, 65K RGB colors, clear and colorful displaying effect
SPI interface, requires minimal IO pins
4x user buttons for easy interacting
Comes with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples)

Power over Ethernet PoE HAT for Raspberry Pi 4B/3B+, IEEE 802.3af-Compliant, 5V 2.5A DC Output, PoE HAT Onboard Cooling Fan, Compatible with Raspberry Pi Official 4B/3B+ Case

PoE (Power Over Ethernet) capability,IEEE 802.3af-compliant
Supports Raspberry Pi 3B+/4B, compatible with the Raspberry Pi official case
Onboard high speed active cooling fan, better heat dissipation
Fully isolated switched-mode power supply (SMPS)

Coolwell Waveshare PWM Controlled Fan HAT for Raspberry Pi I2C Bus PCA9685 Driver with Real Time Temperature Monitor Auto Adjustment Up To 16-Ch PWM Outputs

Designed For Raspberry Pi Series: Standard Raspberry Pi 40PIN GPIO Header, Customized For Raspberry Pi Series Boards
Fan HAT: PWM Controlled Fan Speed Via I2C Bus, Real Time Temperature Monitor
Resources download: www.waveshare.com/wiki/Fan_HAT
PCA9685 Fan Controller: Up To 16-Ch PWM Outputs, Powerful Driving Capability, Auto PWM Adjustment; Combined With The Included Heat Sinks, Achieving Better Cooling Effect
0.91" OLED Mini Display: 128×32 Pixels, I2C Controlled; Displays Board Temperature Or Other User-Defined Content In Real Time

Coolwell FAQs

You can purchase Coolwell products from the seller Coolwell, over the last 12 months, the seller has received honest feedback from 82 consumers, and the average rating is 4.73. The shop has a good reputation so you can purchase from it with confidence.

We did a questionnaire online and hundreds of customers participated in this survey, the consumers rated the products in terms of quality, user experience and other aspects. The results of the questionnaire demonstrate how much customers appreciate their products. It's safe to say that most customers are overwhelmingly satisfied with their purchases and Coolwell is worth your consideration.

Most of the Coolwell products are produced by Waveshare. The manufacturer provides Coolwell with a steady supply of products, and they have a good cooperative relationship with each other.