Controlling high-voltage devices - like a 220V lightbulb - using a relay switch activated via the GPIO peripheral driver of RIOT OS
Control multiple (maximum 128 relays) standard relays using Kallio Designs Sensor Bridge and Industrial GPIO unit.
Keep Connection Alive!!
Non-Inverting Logic-Level-Shifting Heavy Load Control Unit. 3.3V to 12V, using 2 LEDs for opto-coupling. (For updates scroll to the end)
Learn how to use micropython to use your GPIO pins on your PSoC.
rspi-config got a new secret
PGEZ Zero is a compact 16 channel GPIO Expander based on the PCA9671, offering up to 64 different I2C addresses.
I want my heavy amped motor to run but how can I do it with just 3.3v logic?
Using IO to simulate I2C based on APM32E103.
Put together a food drive box that weighs, tracks and encourages people to support those in need.
A food drive box that weighs donations, tracks progress, and inspires people to give back—one item at a time.
In this project, we'll guide you through creating a simple interface using the PCAL6524HEAZ GPIO expander.
Do you want to create a GPIO to LED from the BeagleY-AI that represents Morse Code?
The "RedPill" in Bharat Pi is a development board designed for prototyping Internet of Things (IoT) projects.
Controlling RT-Spark's built-in LCD and 3 LEDs using 5 momentary switches via GPIO on STM32F407ZGT6.
Budget-friendly 16-channel GPIO expander. MCP23017, I²C, chainable to 128 GPIOs, fits $2 PCB deal.
Experiments with the STM32 microcontroller with 5 switch controls to activate 3 LEDs in active low and in-built LCDs by RT-Spark
Industrial 16-channel GPIO expander with MCP23017. DIN-rail mountable, optoisolated, addressable via I²C.
A simple Python library to use stepper motors with GPIO Zero (modern interface to RPi pins).
Having the mental model of clock lines, shared highways, and packet handshakes is nice, but theory only gets you so far.
