WaveShare
Specifications
- RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom
- Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz
- 264KB of SRAM, and 2MB of onboard Flash memory
- Onboard FPC 8PIN connector, adapting USB Type-C port via adapter board
- Castellated module allows soldering direct to carrier boards
- USB 1.1 with device and host support
- Low-power sleep and dormant modes
- Drag-and-drop programming using mass storage over USB
- 20 × multi-function GPIO pins
- 2 × SPI, 2 × I2C, 2 × UART, 4 × 12-bit ADC, 16 × controllable PWM channels
- Accurate clock and timer on-chip
- Temperature sensor
- Accelerated floating-point libraries on-chip
- 8 × Programmable I/O (PIO) state machines for custom peripheral support


Comprehensive SDK, Dev Resources, Tutorials To Help You Easily Get Started
20 × Multi-Function GPIO Pins

What's in the box?
1 x RP2040-Tiny
1 x RP2040-Tiny-Adapter
1 x 8PIN FPC cable ~15cm
Resources
Wiki: www.waveshare.com/wiki/RP2040-Tiny
CH344L | Stable Transmission | Multiple Devices Applicable | Multi-OS Compatible

Features At A Glance
- Adopts original CH344L chip, fast communicating, stable and reliable, better compatibility
- Supports USB to 4-ch isolated RS485, convenient for expanding multiple RS485 industrial serial devices
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
- Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection
- Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance
- Onboard RS485 output terminal 120R resistors, enabled/disabled via DIP switch
- 10 LEDs for indicating the power, device configuration status and transceiver status
- Industrial grade metal case, supports wall-mount & rail-mount installation, solid and beautiful, easy to install
Specifications
PRODUCT TYPE | Industrial isolated USB to RS485 converter | |
---|---|---|
HOST PORT | USB | |
DEVICE PORT | RS485 | |
BAUDRATE | 1200bps ~ 460800bps | |
USB | Operating voltage | 5V |
Connector | USB-B | |
Protection | 500mA resettable fuse, output isolation | |
ISOLATED RS485 | Connector | Screw terminal |
Direction control | Hardware automatic control | |
Protection | 600W lightningproof and surge-suppress, 15KV ESD protection (onboard 120R matching resistors) | |
Transmission mode | Point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more) | |
INDICATORS | PWR | Power indicator, lights up while the USB is connected and voltage is detected |
ACT | Status indicator, lights up green while the driver is detected. | |
RXD | RXD indicator, lights up when the device ports send data back | |
TXD | TXD indicator, lights up when the USB port is sending data | |
OPERATING ENVIRONMENT | Temperature | -40 ~ 85℃ |
Humidity | 5%RH ~ 95%RH | |
OPERATING SYSTEM | Win7/8/8.1/10/11, Mac, Linux, Android |
Safer Isolated Design
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption

Multiple Protection, Safe And Stable
Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance.

Multi System Support
Supports Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7, Etc.

Transmission Distance Up To 1.2km
The USB Signal Can Be Converted Into 4 Balanced Differential RS485 Signals And The Transmission Rate Is Stable. The Reliable Speed Is 1200~460800bps, The Transmission Distance Is About 1.2km For RS485, And About 5 Meters For USB

Aluminium Alloy Enclosure
Aluminium Alloy Enclosure With Sand Blasting And Anodic Oxidation,
Solid And Durable, Fashionable And Good Hand Feeling
Wall-Mount & Rail-Mount Support, More Flexible For Industrial Installation


Outline Dimensions

What's in the box?
1 x USB TO 4CH RS485 (B)
1 x Rail-mount buckle
1 x USB type A to type B cable ~1.2m
1 x Screwdriver
Resources
www.waveshare.com/wiki/USB_TO_4CH_RS485_(B)


Additional HDMI Cable Required: Raspberry Pi Zero 2 W / Zero W / Zero
Driver Provided: supports Raspbian / Ubuntu / Kali / Retropie
Supports future version which is backward compatible
Working With Raspberry Pi 4

Working With Raspberry Pi 3B+

Working With Raspberry Pi Zero W


Comes With Touch Pen


1 x 5inch HDMI LCD
1 x HDMI to micro HDMI connector
1 x HDMI connector
1 x Stylus
1 x RPi screws pack (4pcs)
Resrouces
Wiki: 5inch_HDMI_LCD
Specifications
- CM5 socket: suitable for all variants of Compute Module 5
- Networking: Dual Gigabit Ethernet RJ45 connectors
- USB: USB 3.0 port
- PIN HEADER: Raspberry Pi 40PIN GPIO header
- Storage: TF card socket for Compute Module 5 Lite (without eMMC) variants
- Fan header: 4-wire SH1.0 port, allows speed adjustment and measurement, 5V
- Power input: 5V, Type-C interface
- Dimensions: the base board: 55.0 × 68.0mm
Connecting with Compute Module 5(Not Included)
Standard CM5 socket and 40PIN GPIO header
Suitable for Compute Module 5 Lite/eMMC series module
What's On Board
- 40PIN GPIO header
for connecting sorts of HAT - CM5 socket
suitable for all variants of Compute Module 5 - PSW button
- BOOT button
- RTC battery header
for connecting rechargeable RTC battery - FAN header
for connecting cooling fan, allows speed adjustment and measurement - RJ45 Gigabit Ethernet ports
Dual RJ45 Gigabit Ethernet ports, 10/100/1000M compatible
ETHERNET 0: CM5 original network port
ETHERNET 1: PCIe extended network port
- USB3.2 Gen1 Type-A port
for connecting sorts of USB devices - Type-C port
5V power supply, or used for eMMC programming - TF card slot
for connecting a TF card with pre-burnt image (Lite variant ONLY) - RTL8111H
Gigabit NIC chip - SYSTEM switch
EEPROM_WP: Prevent EEPROM from being overwritten
WiFi_DIS: WiFi disabled, only for CM5 versions with wireless
BT_DIS: Bluetooth disabled, only for CM5 versions with wireless - Indicators
Red light: indicating the power supply status of Raspberry Pi
Green light: indicating the working status of Raspberry Pi
Outline dimensions
What's in the box?
1 x Base board for CM5
Resources


Additional HDMI Cable Required: Raspberry Pi Zero 2 W / Zero W / Zero
Driver Provided: supports Raspbian / Ubuntu / Kali / Retropie
Supports All versions of Raspberry Pi
Working With Raspberry Pi



1 x HDMI cable
1 x HDMI to Micro HDMI Adapter
1 x USB type A plug to micro B plug cable
1 x RPi screws pack (4pcs)
Resources
Wiki: 5inch_HDMI_LCD_(H)