# Select the "Serial STM32F Programmer"
#: [[File:arm_programmer.png]]
# Mount a jumper between the H1/H2 pins on the UFO board:(again this is ONLY for the -02 rev, the -03 and newer revision DO NOT need this jumper as the ChipWhisperer will toggle the pin).
#: [[File:samjumper.png|400px]]
# Reset the ARM device either by pressing the reset button (newer UFO boards only), or by toggling power: