Sennheiser Reporgraming Calculator

Menu

List Of HW needed for reprogramming

Arduino UNO

Jumper Wires

Small probes for connecting the eprom leads

Arduino file for uploading the memory

Schema how to connect the Arduino to the chip

Arduino UNO A4(SDA), A5(SCL), GND

EPROM Pin5(SDA), Pin6(SCL), Pin4 (GND)

J1 Connector pin 1 and 6 connected to allow writing new frequency

Tutorial

Sennheiser Reprogramming table
Frequency bank	f	A-Scaler	N-Scaler	A-byte	N1-byte	N2-byte	Memory
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

Final Output for the microphone

Field For decoding the Eprom Dump