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IoTsmart ESP32-S3 - ESP32-S3, Waveshare, Waveshare ESP32-S3 Mini, mezzanine, IoTextra, I2C, Open Source Hardware, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home, Tasmota, Node-RED, Blynk, IoTflow, MicroPython, CircuitPython, Espressif, Xtensa, wireless, WiFi, Bluetooth, BLE, EYESPI
IoTsmart ESP32-S3 - ESP32-S3, Waveshare, Waveshare ESP32-S3 Mini, mezzanine, IoTextra, I2C, Open Source Hardware, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home, Tasmota, Node-RED, Blynk, IoTflow, MicroPython, CircuitPython, Espressif, Xtensa, wireless, WiFi, Bluetooth, BLE
IoTsmart ESP32-S3: The Next Evolution in Connectivity
From $10.00
From $10.00
The IoTextra Octal2 features individually galvanically isolated 4 digital inputs and 4 outputs. Input voltage: 5-36VDC. Output types: open collector, NPN. Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Node-RED, Blynk, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
The IoTextra Octal2 features individually galvanically isolated 4 digital inputs and 4 outputs. Input voltage: 5-36VDC. Output types: open collector, NPN. Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Node-RED, Blynk, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
4 Digital Inputs + 4 NPN Digital Outputs - IoTextra Octal2
From $15.50
From $15.50
The IoTextra Combo module combines 2 analog differential inputs (via ADS1115, 16-bit) and 2 SPDT relay outputs on a single board. Input via GPIO or I2C (via Qwiic connectors). Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Tasmota, Node-RED, Blynk, IoTflow, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
The IoTextra Combo module combines 2 analog differential inputs (via ADS1115, 16-bit) and 2 SPDT relay outputs on a single board. Input via GPIO or I2C (via Qwiic connectors). Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Tasmota, Node-RED, Blynk, IoTflow, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
2 Analog Inputs (ADS1115) + 2 SPDT Relays - IoTextra Combo
From $28.00
From $28.00
SAMD21 Lite module - ATSAMD21G18A, SOM, CortexM0+, MCU, Atmel, Microchip, mikroBUS, I2C, Grove, Open Source Hardware, IoT, IIoT,embedded, Automation, Smart Home
SAMD21 Lite module - ATSAMD21G18A, SOM, CortexM0+, MCU, Atmel, Microchip, mikroBUS, I2C, Grove, Open Source Hardware, IoT, IIoT,embedded, Automation, Smart Home
SAMD21 Lite - mikroBUS SoM with popular Cortex M0+
$12.00
$12.00

Digital IoTextra

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IoTsmart ESP32-S3 - ESP32-S3, Waveshare, Waveshare ESP32-S3 Mini, mezzanine, IoTextra, I2C, Open Source Hardware, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home, Tasmota, Node-RED, Blynk, IoTflow, MicroPython, CircuitPython, Espressif, Xtensa, wireless, WiFi, Bluetooth, BLE, EYESPI
IoTsmart ESP32-S3 - ESP32-S3, Waveshare, Waveshare ESP32-S3 Mini, mezzanine, IoTextra, I2C, Open Source Hardware, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home, Tasmota, Node-RED, Blynk, IoTflow, MicroPython, CircuitPython, Espressif, Xtensa, wireless, WiFi, Bluetooth, BLE
IoTsmart ESP32-S3: The Next Evolution in Connectivity
From $10.00
From $10.00
The IoTextra Octal2 features individually galvanically isolated 4 digital inputs and 4 outputs. Input voltage: 5-36VDC. Output types: open collector, NPN. Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Node-RED, Blynk, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
The IoTextra Octal2 features individually galvanically isolated 4 digital inputs and 4 outputs. Input voltage: 5-36VDC. Output types: open collector, NPN. Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Node-RED, Blynk, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
4 Digital Inputs + 4 NPN Digital Outputs - IoTextra Octal2
From $15.50
From $15.50
The IoTextra Combo module combines 2 analog differential inputs (via ADS1115, 16-bit) and 2 SPDT relay outputs on a single board. Input via GPIO or I2C (via Qwiic connectors). Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Tasmota, Node-RED, Blynk, IoTflow, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
The IoTextra Combo module combines 2 analog differential inputs (via ADS1115, 16-bit) and 2 SPDT relay outputs on a single board. Input via GPIO or I2C (via Qwiic connectors). Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Tasmota, Node-RED, Blynk, IoTflow, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
2 Analog Inputs (ADS1115) + 2 SPDT Relays - IoTextra Combo
From $28.00
From $28.00
SAMD21 Lite module - ATSAMD21G18A, SOM, CortexM0+, MCU, Atmel, Microchip, mikroBUS, I2C, Grove, Open Source Hardware, IoT, IIoT,embedded, Automation, Smart Home
SAMD21 Lite module - ATSAMD21G18A, SOM, CortexM0+, MCU, Atmel, Microchip, mikroBUS, I2C, Grove, Open Source Hardware, IoT, IIoT,embedded, Automation, Smart Home
SAMD21 Lite - mikroBUS SoM with popular Cortex M0+
$12.00
$12.00
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8 Digital Inputs - IoTextra Input
The IoTextra Input module is 8 galvanically isolated digital input channels. The input signal level is 24 V. Input via GPIO or I2C (via Qwiic connectors and TCA9534). Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Node-RED, Blynk, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
The IoTextra Input module is 8 galvanically isolated digital input channels. The input signal level is 24 V. Input via GPIO or I2C (via Qwiic connectors and TCA9534). Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Node-RED, Blynk, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
From $15.50
From $15.50
8 Digital Inputs - IoTextra Input
From $15.50
From $15.50
8x DI - IoTextra Input 8-channel digital input module · galvanic isolation · 3750V RMS · TVS protection Max input voltage 36 VDC · GPIO...
4 SPDT Relays - IoTextra Relay2
The IoTextra Relay2 module has four ALQ105, G5Q-14, HF33F/005-ZS3 or PE014005 relays. Rated resistive load: 10A 250VAC or 30VDC. Contact form: SPDT (1 Form C). Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Node-RED, Blynk, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
The IoTextra Relay2 module has four ALQ105, G5Q-14, HF33F/005-ZS3 or PE014005 relays. Rated resistive load: 10A 250VAC or 30VDC. Contact form: SPDT (1 Form C). Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Node-RED, Blynk, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
From $15.50
From $15.50
4 SPDT Relays - IoTextra Relay2
From $15.50
From $15.50
4x SPDT - IoTextra Relay2 4-channel SPDT relay module · 250 VAC / 30 VDC · 10 A · GPIO and/or I²C modes Relay options:...
8 Solid-State Relay Outputs (SMD4) - IoTextra SSR Small
The IoTextra SSR Small module features 8 SPST-NO (1 Form A) SSRs. Load voltage: 30,40,60VDC,350VAC. Current: 0.12–4A. 5000Vrms isolation. Control via GPIO or I2C. Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Node-RED, Blynk, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
The IoTextra SSR Small module features 8 SPST-NO (1 Form A) SSRs. Load voltage: 30,40,60VDC,350VAC. Current: 0.12–4A. 5000Vrms isolation. Control via GPIO or I2C. Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Node-RED, Blynk, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
From $27.00
From $27.00
8 Solid-State Relay Outputs (SMD4) - IoTextra SSR Small
From $27.00
From $27.00
8x SSR-SMD4 - IoTextra SSR Small 8-channel solid-state relay module · SPST-NO · galvanic isolation · 5000 VRMS · on-resistance from 0.05 Ω GPIO and/or...
8 MOSFET Outputs (SOP-8) - IoTextra MOSFET2
IoTextra MOSFET2 — 8-channel galvanically isolated N-channel MOSFET output module. Supply voltage: 5VDC, load up to 90V/9A, PWM capable. Control via GPIO or I²C (TCA9534). Compatible with ESP32-S3, RP2350, RP2040, Raspberry Pi, and IoTsmart. Supports Node-RED, IoTflow, Tasmota, and Home Assistant. Open Source Hardware.
IoTextra MOSFET2 — 8-channel galvanically isolated N-channel MOSFET output module. Supply voltage: 5VDC, load up to 90V/9A, PWM capable. Control via GPIO or I²C (TCA9534). Compatible with ESP32-S3, RP2350, RP2040, Raspberry Pi, and IoTsmart. Supports Node-RED, IoTflow, Tasmota, and Home Assistant. Open Source Hardware.
From $27.50
From $27.50
8 MOSFET Outputs (SOP-8) - IoTextra MOSFET2
From $27.50
From $27.50
8x MOSFET-SOP8 - IoTextra MOSFET2 8-channel N-channel MOSFET switch module · galvanic isolation · PWM capable · up to 90 VDC / 9 A GPIO...
4 Digital Inputs + 2 NPN Digital Outputs + 2 SPST Relays - IoTextra Octal
The IoTextra Octal hybrid module features 4 isolated digital inputs, 2 robust transistor outputs, and 2 SPST electromechanical relays. Input voltage: 5-36VDC. Versatile switching for both high-speed and high-load tasks. Compatible with Raspberry Pi, Raspberry Pi Pico, Arduino, ESP32, IoTsmart, and IoTbase. Open Source Hardware. Supports Node-RED, Tasmota, and MicroPython.
The IoTextra Octal hybrid module features 4 isolated digital inputs, 2 robust transistor outputs, and 2 SPST electromechanical relays. Input voltage: 5-36VDC. Versatile switching for both high-speed and high-load tasks. Compatible with Raspberry Pi, Raspberry Pi Pico, Arduino, ESP32, IoTsmart, and IoTbase. Open Source Hardware. Supports Node-RED, Tasmota, and MicroPython.
From $21.00
From $21.00
4 Digital Inputs + 2 NPN Digital Outputs + 2 SPST Relays - IoTextra Octal
From $21.00
From $21.00
4x DI + 2x DO-NPN + 2x SPST - IoTextra Octal 4+2+2 I/O module · 4 digital inputs · 2 NPN outputs · 2 SPST...
4 Digital Inputs + 4 NPN Digital Outputs - IoTextra Octal2
The IoTextra Octal2 features individually galvanically isolated 4 digital inputs and 4 outputs. Input voltage: 5-36VDC. Output types: open collector, NPN. Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Node-RED, Blynk, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
The IoTextra Octal2 features individually galvanically isolated 4 digital inputs and 4 outputs. Input voltage: 5-36VDC. Output types: open collector, NPN. Compatible with Raspberry, Arduino, Adafruit, XIAO, Teensy, Particle and other platforms. Can be used with IoTsmart or IoTbase modules. Open Source Hardware, Raspberry PICO, ESP32-S3, MicroPython, CircuitPython, Node-RED, Blynk, IoT, IIoT, Industry 4.0, embedded, Automation, Smart Home
From $15.50
From $15.50
4 Digital Inputs + 4 NPN Digital Outputs - IoTextra Octal2
From $15.50
From $15.50
4x DI + 4x DO-NPN - IoTextra Octal2 8-channel digital I/O module · 4 isolated inputs · 4 outputs · galvanic isolation · GPIO and/or...
4 Digital Inputs + 4 Latching DPDT Relays - IoTextra Octal3
IoTextra Octal3 — 4-channel isolated digital input and 4-channel latching DPDT relay module. Supply voltage: 5VDC, relay contacts up to 250VAC / 220VDC / 2A. Digital inputs up to 36VDC. Control via GPIO (inputs) and I²C / TCA9534A / DRV8837C (relay outputs). Compatible with ESP32-S3, RP2350, RP2040, Raspberry Pi, and IoTsmart. Supports Node-RED, IoTflow, Tasmota, and Home Assistant. Open Source Hardware.
IoTextra Octal3 — 4-channel isolated digital input and 4-channel latching DPDT relay module. Supply voltage: 5VDC, relay contacts up to 250VAC / 220VDC / 2A. Digital inputs up to 36VDC. Control via GPIO (inputs) and I²C / TCA9534A / DRV8837C (relay outputs). Compatible with ESP32-S3, RP2350, RP2040, Raspberry Pi, and IoTsmart. Supports Node-RED, IoTflow, Tasmota, and Home Assistant. Open Source Hardware.
NEW
From $27.00
From $27.00
4 Digital Inputs + 4 Latching DPDT Relays - IoTextra Octal3
From $27.00
From $27.00
4x DI + 4x Latching-DPDT - IoTextra Octal3 4 isolated digital inputs · 4 latching DPDT relays · galvanic isolation · 3750 VRMS Inputs up...
4 Digital Inputs (ISO1211) + 4 SPST Relays - IoTextra Octal4
IoTextra Octal4 — 4-channel isolated digital input and 4-channel SPDT relay module. Inputs field-configurable 12/18/24/36 VDC per channel via solder jumpers. Relay contacts 250 VAC / 30 VDC / 5 A. Control via GPIO and I²C. Compatible with ESP32-S3, RP2350, RP2040, Raspberry Pi, and IoTsmart. Supports Node-RED, IoTflow, Tasmota, and Home Assistant. Open Source Hardware.
IoTextra Octal4 — 4-channel isolated digital input and 4-channel SPDT relay module. Inputs field-configurable 12/18/24/36 VDC per channel via solder jumpers. Relay contacts 250 VAC / 30 VDC / 5 A. Control via GPIO and I²C. Compatible with ESP32-S3, RP2350, RP2040, Raspberry Pi, and IoTsmart. Supports Node-RED, IoTflow, Tasmota, and Home Assistant. Open Source Hardware.
NEW
From $21.00
From $21.00
4 Digital Inputs (ISO1211) + 4 SPST Relays - IoTextra Octal4
From $21.00
From $21.00
4x DI-ISO1211 + 4x SPST - IoTextra Octal4 4 isolated digital inputs · 4 SPST relays · galvanic isolation · 2500 VRMS Inputs field-configurable 12/18/24/36...

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