Udmx software driver
Here choose the uDMX.hex file you have downloaded or compiled. From the Command menu select Write FLASH Buffer to Chip.
Udmx software driver driver#
The USBasp is now programmed for uDMX.Īn 8 pin RS485 driver is glued to the underside of the USBasp. The pins are bent so they are horizontal and are clipped where the pins narrow. All that should be left are pads from the sides to solder to. The + and – output from the driver are jumpered to pins 4 and 6 on the programming connector. Currently these pins are connected to ground. Traces must be cut on the circuit board in three spots for each pin to break the ground connection. A sharp blade similar to an Exacto should work. Check with a continuity tester to make sure there is no connection to ground. Connections from the chip to ground and 5 volts can be found on the pads labeled C4.Ī jumper connected to the signal output of the ATMega8 chip must be routed from the other side of the circuit board to the data input of the RS485 chip. I routed this jumper on the underside of the programing connector.
![udmx software driver udmx software driver](http://obrazki.elektroda.net/58_1312929918.jpg)
In addition, a jumper must be added between two pins of the ATMega8 chip to conform with the uDMX circuit. The USBasp comes with a ten pin ribbon-cable jumper. I cut off one end and connected the XLR connector to the ribbon cable. I used #10 for ground, #6 for -, and #4 for +. There are three places on the ATMega8 where a jumper must be soldered to a pin on the surface-mount chip.
![udmx software driver udmx software driver](http://renewtoday.weebly.com/uploads/1/2/5/0/125074765/693984956.png)
At first look, this may seem to be something too difficult to accomplish. The truth is that it is not insurmountable. I do not have such a steady hand or great eyesight. Locate the correct pin number on the chip. Pin number 1 is the one with the dot next to it. Pin numbers progress counter-clockwise up to 32.