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PTSolns

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.

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

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$8.88

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Black

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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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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-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

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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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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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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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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