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PTSolns

USB UART Bridge Cover Image showing two different header configurations

USB UART Bridge Cover Image showing two different header configurations

PTSolns

USB UART Bridge U2B Serial Adapter CH340 5V 3.3V Programming Module (2-Pack)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$11.11

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Black

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PTSolns Uno R3+ microcontroller development board based on ATmega328P with USB-C, removable DIP-28 chip, onboard QWIIC connector and 3.3V logic level shifted I2C pins, grouped status LEDs, and compatibility with standard Arduino Uno R3 shields for versatile prototyping

PTSolns

Uno R3+ ATmega328P Microcontroller Development Board (Arduino Compatible)

PTSolns Interface-Shield — an I2C-based shield compatible with Uno and similar microcontroller boards, featuring programmable buttons and LEDs, hardware/software debouncing, configurable addresses, dimmable LCD backlight, interrupt support, and large copper pads for oscilloscope I2C signal testing. Compatible with the custom Arduino library PTSolns_InterfaceShield for tutorials and examples.

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1602 LCD Interface-Shield with Programmable Buttons and LEDs for Uno (Arduino Compatible)

Image showing PTSolns Screwdriver Set: aluminum alloy handle, 24 precision S2 steel bits, compact magnetic sliding storage case.

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Precision S2 Magnetic 25-in-1 Screwdriver Set

ADXL345 3-Axis Accelerometer (2 pack) - PTSolns

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ADXL345 3-Axis Accelerometer (2 pack)

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Voltage Regulator LM1117T TO-220 (5 pack)

USB to UART TTL Serial Cable (PL2303HX Compatible)

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USB to UART TTL Serial Cable (PL2303HX Compatible)

2 X 2 Pin Female Header

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Female Header 2.54mm/0.1in Pitch Double Row Straight

1 X 40 Pin Machined Female Headers

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Machined Header Pin 2.54mm/0.1in Single Row Straight

PTSolns NTEA-SM Nano Terminal Expansion Adapter PCB shown with labelled pin headers and terminal blocks, designed to expand the Nano microcontroller board’s prototyping capabilities; compatible with PTSolns Nano Flip, Arduino Nano, and similar Nano boards.

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NTEA-SM Breakout Board Expansion Adapter for Nano Microcontroller Development Board

1W Resistor Set

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Assorted Resistor Kit 10 Ohm to 1M Ohm (200pcs, 1%, 1W)

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top side view of PTSolns Leonardo+ microcontroller with ATmega32U4 IC chip

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Leonardo+ Microcontroller Board - ATmega32U4 Development

PTSolns Nano Flip 3V3 microcontroller development board featuring ATmega328P, USB-C programming and power, compact footprint ideal for breadboard use, onboard reset and programmable LEDs, power management jumpers, and pre-installed bootloader with GetStarted sketch for rapid prototyping

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Nano Flip 3V3 Microcontroller ATmega328P Dev Board 3.3V Logic Level 2-Pack (Arduino Nano Compatible)

PTSolns ESP Master Key breakout board adapter designed to connect popular ESP development boards to standard breadboards or prototyping boards. Features dual rows for up to 20 pins per row with adjustable row spacing, freeing up space and simplifying wiring. Compatible with PTSolns ESP32 microWatt and similar ESP boards, fits standard breadboards and PTSolns Proto-Full and Proto-Half prototyping boards.

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ESP Master Key - Universal Breakout Board Breadboard Adapter for ESP32 ESP8266 Microcontroller Development Boards

Combination product featuring both the PTSolns Proto-Half and Proto-Full prototyping boards stacked or placed side-by-side. Shows the benefits of extended prototyping area and flexible power rails from both boards used together for advanced circuit development.

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Proto-Mix Prototyping Solderable Perf Breadboard PCB

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A bundle of 40 DuPont wires in various colors including black, white, grey, purple, blue, green, yellow, orange, and red, arranged neatly side by side.

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DuPont Wires for Prototyping with Breadboards and Dev Boards

1 X 6 Pin Stacking Female Header

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Stacking Female Header 2.54mm/0.1in Pitch

2 X 40 Pin 2.0mm Male Header

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Male Header 2X40Pin 2.0mm Pitch Straight

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Standoff Brass M3 Assorted Set 150pcs

SunFounder 7 Inch Capacitive Screen IPS Monitor LCD Display

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SunFounder 7 Inch Capacitive Screen IPS Monitor LCD Display

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Hi-Link CH340E USB to TTL Serial Converter Board + Jumper Wires

Sound sensor digital

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Sound Sensor with Digital Trigger (3 pieces)

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Assorted Resistor Kit 10 Ohm to 1M Ohm (540pcs, 1%, 1/4W)

Sunfounder 7 Inch 1024x600 HDMI IPS LCD Capacitive Touchscreen for Raspberry Pi

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Sunfounder 7 Inch 1024x600 HDMI IPS LCD Capacitive Touchscreen for Raspberry Pi

PTSolns ESP32 microWatt low-power development board for IoT applications, featuring embedded ESP32 module with Wi-Fi and Bluetooth LE, USB-C and 3.5–6V external power input, optimized pin grouping for I2C and SPI, ideal for prototyping and battery-powered projects

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ESP32 microWatt Development Board Microcontroller

PTSolns Proto-Half prototyping perf board with silkscreen printing on both sides showing dashed white lines for electrical connections, separate ground and negative rails, two power input methods including screw terminal and female power jack, four M3 mounting holes designed for grounding and stacking multiple boards, multiple configurable power rails, and a central rail that can be connected to ground.

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Proto-Half Prototyping Solderable Perf Breadboard PCB

Proto-ESP technical features ESP-based interface for ESP32 and ESP8266 development boards

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Prototyping Solderable Breadboard for ESP32 and ESP8266 Development Boards

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Screw Terminal 2.54mm/0.1in Pitch

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Side view of DIY UNO Kit

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DIY UNO Kit

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USB to 5-pin Serial UART/TTL Conversion Cable

PTSolns ESP BoB breakout board for ESP32 and ESP8266 development boards, featuring screw terminals, male and female headers for easy access to all GPIO pins and flexible prototyping setup

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ESP BoB Breakout Board Adapter Module for ESP32 ESP8266 Dev Boards

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Capacitor Set SMD 0805 Assorted Sizes 720pcs

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Male Header 2.54mm/0.1in Pitch Angle

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BMP280 Pressure and Temperature Sensor (2 pack)

PTSolns Proto-Shield — prototyping shield compatible with Arduino Uno R3, Mega, Leonardo, Due, and similar boards. Features configurable power rails, 4-row breakout, 2x14 pin IC socket footprint, SOIC 1.27mm pitch breakout, screw terminal outputs for I2C and general signals, double-sided silkscreen, and three mounting holes. Canadian designed.

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PTSolns Proto-N2RF solderable breadboard adapter for Nano microcontroller, NRF24L01+ RF modules, multiple 5V and 3.3V I2C interfaces with logic level shifting, LCD mounting holes, and onboard voltage regulator for NRF24L01+ power. Compatible with PTSolns Nano Flip.

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Proto-N2RF Prototyping Solderable Perf Breadboard PCB

1/2W Resistor Set

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Assorted Resistor Kit 10 Ohm to 1M Ohm (640pcs, 5%, 1/2W)

PTSolns NTEA-MD Nano Terminal Expansion Adapter PCB shown with labelled pin headers and terminal blocks, designed to expand the Nano microcontroller board’s prototyping capabilities; compatible with PTSolns Nano Flip, Arduino Nano, and similar Nano boards.

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NTEA-MD Breakout Board Expansion Adapter for Nano Microcontroller Development Board

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Male Header 2.54mm/0.1in Pitch Double Row Straight

PTSolns I2C Backpack soldered to 1602 or 2004 LCD, with I2C and power screw terminals and QWIIC connector, supports 3.3V and 5V logic, has contrast and backlight controls, compatible with various microcontrollers.

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I2C Backpack for 1602 and 2004 LCD Kit

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Female Header 2.54mm 40-Pin Straight & Male Header 2.54mm 40-Pin Straight COMBO (20-pack)

I2Connect: AHT20 temperature and humidity qwiic connect module cover

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I2Connect Quick Connect I2C Module (AHT20)

PTSolns Nano Flip microcontroller development board featuring ATmega328P, USB-C programming and power, compact footprint ideal for breadboard use, onboard reset and programmable LEDs, power management jumpers, and pre-installed bootloader with GetStarted sketch for rapid prototyping

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Nano Flip ATmega328P Microcontroller Development Board 2-Pack (Arduino Nano Compatible)

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DS18B20 Temperature Sensor (2 pack)

PTSolns Proto-Full prototyping perf board with silkscreen printing on both sides showing dashed white lines indicating electrical connections, separate ground and negative rails, two power input methods (screw terminal and female power jack), four M3 mounting holes for grounding or stacking, multiple configurable power rails, and a central rail that can be connected to ground.

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Proto-Full Prototyping Solderable Perf Breadboard PCB

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2 Pin 5.08mm Screw Terminal

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Screw Terminal 5.08mm/0.2in Pitch

Electrolytic Capacitor Set 24 Sizes 500 Pieces

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Electrolytic Capacitor Set 24 Sizes 500 Pieces

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Male Header 2.54mm/0.1in Pitch Single Row Straight

PTSolns Pico BoB breakout board adapter for Raspberry Pi Pico, featuring male headers, female headers, and screw terminals for full pin access and flexible prototyping

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Pico BoB Breakout Board Adapter Module for Raspberry Pi Pico Family

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VEML7700 Lux Sensor

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PTSolns NTEA-LG Nano Terminal Expansion Adapter PCB shown with labelled pin headers and terminal blocks, designed to expand the Nano microcontroller board’s prototyping capabilities; compatible with PTSolns Nano Flip, Arduino Nano, and similar Nano boards.

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NTEA-LG Breakout Board Expansion Adapter for Nano Microcontroller Development Board

Front right view of DB9 female breadboard breakout

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DB9 Female Breadboard Breakout

PTSolns NRF-Shield for Arduino Uno R3 form factor, designed to easily add Nordic nRF24L01+ RF communication modules. The shield features slots for common nRF24L01+ modules (Mini, Standard, +PA+LNA), power options from 3.3V microcontroller pin or external supply, hardware selection pins for flexible coding, and supports up to three I2C devices at 5V logic (3.3V for Due). Canadian designed with full Arduino Uno R3, Mega, Leonardo, Due compatibility.

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NRF-Shield nRF24L01 RF PCB Microcontroller Shield for Arduino Uno

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BME280 Pressure, Temperature and Humidity Sensor

Wire Kit

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Assorted Preformed Jumper Kit (Multicoloured)

ADS1115 4 Channel ADC 16-Bit I2C Front View

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ADS1115 4-Ch 16-Bit ADC via I2C

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CP2102 USB to TTL UART Serial Converter Module 6-Pin for Arduino, ESP32 & ESP8266

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1 X 3 Pin Female Header

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Female Header 2.54mm/0.1in Pitch Single Row Straight

DH11 Temperature and Humidity Sensor

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DHT11 Temperature and Humidity Sensor (3 pieces)

microWatt Proto assembled with different headers

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microWatt Proto Prototyping Board for ESP32 Microcontroller Development Board

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Relay Modules

Hummingbird Type C USB Adapter Board for RaceSpec V2 Flight Controller Hummingbird

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Hummingbird Type C USB Adapter Board for RaceSpec V2 Flight Controller

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I2Connect: EEPROM temperature and humidity qwiic connect module cover

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I2Connect Quick Connect I2C Module (EEPROM)