Block Diagram

NICE SPA
PAG. 1 di 1
Technical schemes
PUSH
Button
µP
(U1)
(32MHz oscillator)
Low pass filter
Matching network
T/R
(U3)
32MHz clock
Aerial
915.75
MHz
LED
Red/green
LDO
regulator
CH_01
CH_02
CH_03
CH_04
3,3V
RX/TX
5V
“SM” connector