Programming Cable for HAM Radios
Hi all... this is about DIY programming cable.... for your HAM radio... Various programming cables can be found in eBay at high prices. But the fact is that all these cables are UART - USB converters either in 3.3V or 5V TTL. Radios whether it be Icom, Yaseu, Baofeng, Motorola , all can be programmed with a single cable , once you know what are the connector pinouts... Here i am going to explain this with help of my Baofeng UV-5RE, which is a 5W VHF/UHF handheld radio. It has a 2.5mm and 3.5mm jack for connecting programming cable, headset+mic. Depending on what you connect, the radio responds to it... The ring, tip, sleeve on both jacks have various signal designations. So for this DIY programming cable , our point of interest are on 1. 3.5 mm sleeve (Rx Data) 2. 2.5 mm ring (Tx Data) 3. 2.5 mm sleeve (GND Data) So what we need to have before starting.. 1. A modified nokia DKU-5 or CA-42 cable (USB-UART converter). See it here . 2. A 2.5 mm jack with