#chebyshev 1n4248 1n4007 teensy 3.2 adc adc; 1 msps; datalogger audio audio lib oscillator beginner clock crystal current debug swd jtag gdb dma dsp encoder display encoder ethernet fft flexible pwm flexpwm frank b frequency hdmi i2c touchscreen interrupts midi midi audio sampler loops midi out midi sampling mini jack multi emf sensors noise octows2811 pathfinding paulstoffregen paulstoffregen frank b period piezo pin pins power pt2258 pwm pwm t4 ra8875 jumpers 8080 spi raspberry reaper midi brainworx serial serial port snooze solved spi surface mount synthesizer t4 grbl 1.1f hal teensy teensy 3.2 teensy 4 teensy4 dma spi teensy 4.0 teensy 4.0 ili9341 ra8875 teensy 4.0 power draw teensy 4.1 teensy emulator midi vga time syncing tsr usb usb-host midi latency usbhost_t36 vga teensy 4.0 4.1 webserver windows10iot