CIRCUITERRA

Circuiterra is an electronic schematics generator that makes it easy to design custom electronics... Circuiterra supports a huge variety of sensors: accelerometer, gyroscope, compass, GPS, temperature, humidity, pressure, microphone, ambient light, etc... Circuiterra supports USB Power Delivery, so you can drive power-hungry peripherals, such as LEDs, motors, relays, speakers, heaters with up to 100W per board.