A - LED bulb - controlled by G – Sonoff S26 Outlet
B - LED bulb - controlled by R – Sonoff S26 Outlet
C - LED bulb - controlled by F – Sonoff Basic
D - Incandescent bulb - controlled by H (4CH button 1)
E - Incandescent bulb - controlled by H (4CH button 2)
F - Sonoff BASIC (Tasmota Firmware/wifi)
G - Sonoff Smart Switch (Tasmota Firmware/wifi)
H - Sonoff 4CH (Tasmota Firmware/wifi)
K - LED bulb - controlled by H (4CH button 3)
L - LED bulb - controlled by H (4CH button 4)
M - TP Link TL-WR703N OpenWRT AP
N - SSD via USB
P - Raspberry Pi 3B (v1.2)
Q - 4 AC (US/Europe) outlets, 4 USB power outlets
R - Sonoff Smart Switch (wifi)
S - 6 AC outlet AC intellectual challenged power strip
T - USB TTL Serial dongle (not labeled)