Pendulums_trafo_2019 Driver Firmware 1.0

authors: robert kovacs (hasso plattner institute) + code and soda team

email [email protected]

2019

ESP32 parameter set over wifi

Setup

Don't forget to set up:

• Wifi SSID (default: pendulum)
• Wifi password (default: cicacicacica)
• IP address (default: 192.168.123.100)
• Gateway: (default: 192.168.123.1)

API

Get current parameters:

http://[ip]/

Set parameters:

http://[ip]/set/[parameter]/[p1],[p2],[p3],[p4]
# example
http://[ip]/set/pull_t/10,20,30,40

Where [parameter] can be:

• period_t
• pull_t
• pull_f
• hold_t
• hold_f
• rew_t
• rew_f
• start

Set parameters per pendulum:

http://[ip]/set/pendulum/[pendulum_id],[period_t],[pull_t],[pull_f],[hold_t],[hold_f],[rew_t],[rew_f],[start]
# example
http://192.168.137.158/set/pendulum/2,8000,1000,70,2000,30,1000,-40,1

! pendulum parameters are updated at the end of the period. Start and stop also applies only after finishing a full cycle

##Hardware

• motor input voltage 12V
• max. current per motor ~15A
• ESP is powered from USB