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Current WKUSB PCB Revision is D
K1EL is offering two kits based on the WK2 chip, WKUSB and WKUSB-HV. Both are identical in function with the exception that WKUSB-HV can key virtually any tube transceiver or transmitter. Both kits includes enclosure, pushbuttons, PC board, and all parts including a USB cable. There is one surface mount part which is pre-soldered to the PCB. All you need to provide are the keying cables from the keyer to your transceiver.
We recently released a new PC board for WKUSB, it is revision D. We have replaced the power jumper with switching diodes which automatically switch from battery power to USB power when attached to a PC. We will begin shipping WKUSBs with WK2 v22 this week.
Many folks have asked about a keying cable that can be used between WKUSB and a 1/4 inch transceiver key input jack. Click below to see one that we recommend: