Steve Marple:
Atmel ISP programming from Raspberry Pi GPIO
Steve Marple:
AVR ISP Programmer for Raspberry Pi
Steve Marple:
RFM12B shield for Raspberry Pi
Steve Marple:
RFM12B and Atmel ISP programmer shield for Raspberry Pi
Steve Marple:
Raspberry Pi with Slice of Pi radio
Steve Marple:
FTDI all-in-one
Steve Marple:
Magnetometer PCB
Steve Marple:
Open-source Raspberry Pi ADC hat
Steve Marple:
Open-source Raspberry Pi ADC hat
Steve Marple:
RPi ADC hat, on a Raspberry Pi 3
Steve Marple:
RPi ADC hat, underside
Steve Marple:
RPi ADC hat, on a Raspberry Pi 3
Steve Marple:
Raspberry Pi magnetometer