Datasheet

Module status:
Bit 0 Charger Power-Good status
Bit 1 Charge Status 2
Bit 2 Charge Status 1
Status Bit 2 (Stat 1) Bit 1 (Stat 2) Bit 0 (PG)
No USB power present High High High
No ba ery present High High Low
Low ba ery Low High High
Temperature fault Low Low Low
Charging complete Low High Low
Charging High Low Low
Bit 3 0
Bit 4 Calibra ng (0 = off / 1 = busy)
Bit 5 Low ba ery (1 = low ba ery)
Checksum: CHKSUM = 8-bit two’s complement of sum of all previous bytes
End of transmission: ETX = 0x0A
Receive scope sample data from WiFi Scope to dis-
play device (Tablet or USB host)
<STX>
<Sample-data-cmd> <Data-length-low-byte> <Data-length-high-byte>
<Off set-low-byte> <Off set-high-byte>
<CH1-input-coupling> <CH1-V/div> <CH1-Yposi on>
<CH2-input-coupling> <CH2-V/div> <CH2-Yposi on>
<Timebase> <Trigger-level> <Trigger-se ngs> <Module-status>
<Sample-1-ch1> <Sample-1-ch2> <Sample-2-ch1> <Sample-2-ch2> … <Sample-n-ch1> <Sample-n-ch2>
<CHKSUM>
<ETX>
Start of transmission: STX = 0x02
Settings command: 0x21
Data length: 18 + (2 x number of samples/channels)
Offset: X- posi on of sample buff er
CHx V/div:
O ff 0
20 V/div 1
10 V/div 2
4 V/div 3
2 V/div 4
1 V/div 5
0.5 V/div 6
0.2 V/div 7
0.1 V/div 8
50 mV/div 9
25 mV/div 10
10 mV/div 11
5 mV/div 12
Velleman NV.
- 9 -
@velleman_RnD