These are some of the circuit boards I’ve designed. Most are for audio. Some are for control systems.
Motor driver for Beaglebone BlackAudio Sensor Board
Sensor input board for robotsMotor driver, encoder reader and ADC for Raspberry Pi
Envelope detector / Preamp for Wrist LightMy Raspberry Beret 6-in/8-out multi-channel Audio Board for the Raspberry PiRaspberry Beret Board with the Teensy 3.6Layout for Audio Sensor BoardThis is a signal routing board for my robots that contains sensor inputs, accelerometer and gyro inputs, and 3.3 and 5v power distribution.
This is a dual motor driver / encoder reader for the Beaglebone BlackThis board has a mono preamp and analog envelope detector. It is used for the wrist light.This is a dual motor driver / encoder reader / 8-channel ADC for the Raspberry PiLayout for Raspberry Beret Multi-channel Audio BoardAudio Sensor BoardAtmega 2650 in small package design with X-Bee transmitter for wireless communication
ATMLXB66-Channel Preamp w/Power CircuitOriginal 6-Channel PreampEric Brombaugh’s STM32F29 Codec Board #2Eric Brombaugh’s STM32F4 Codec Board #1A WORKING version of the six channel preamp/power supply for the robots