TDS2020BYD standby power board

One of two standby power boards available. The TDS2020BYD is a separate battery board connected by flying wires.

l has its lithium battery is protected by a blocking diode on the TDS2020F

l has 33k limiting and 10M shunt resistors

l does not maintain any applications program - it connects to VBATT to keep alive the clock chip and RAM in the 32-pin socket.

Alternatively the TDS2020BYN fits directly onto a TDS2020F 16-bit embedded computer..

Picture for illustrative purposes only