I am trying to update the Oscilloscope Kit120 ver 1.3 to the 28X2 as per the instructions on the related website.
I am getting a “hardware not connected” error when I try to download the firmware using the axe027 cable.
I have checked the modifications on the Oscilloscope board carefully (replacing the 28X1 and the resonator , adding a 22K resistor between pins 8 and 9 of the rs-232 socket and changing the jumper to DL) with no success.
I have then built, on vero-board, a minimal circuit as per the manual and still can’t get communication with the 28X2. I also tried installing the older 28X1 on the board and was also unable to read the chip firmware version, it giving the same error.
The test for (PC to picaxe) works as documented pin 6 toggles between 0 and 5V when clicking the “LED” both on my own board and on the KIT120 board but still no success with download.
I have tried the installation on a different PC with no success.
I am starting to suspect the receive section of the axe027 cable. How can I check the cable?
I have downloaded and installed the latest version of all USB drivers and programming software.
I am getting a “hardware not connected” error when I try to download the firmware using the axe027 cable.
I have checked the modifications on the Oscilloscope board carefully (replacing the 28X1 and the resonator , adding a 22K resistor between pins 8 and 9 of the rs-232 socket and changing the jumper to DL) with no success.
I have then built, on vero-board, a minimal circuit as per the manual and still can’t get communication with the 28X2. I also tried installing the older 28X1 on the board and was also unable to read the chip firmware version, it giving the same error.
The test for (PC to picaxe) works as documented pin 6 toggles between 0 and 5V when clicking the “LED” both on my own board and on the KIT120 board but still no success with download.
I have tried the installation on a different PC with no success.
I am starting to suspect the receive section of the axe027 cable. How can I check the cable?
I have downloaded and installed the latest version of all USB drivers and programming software.