xufan6 The conclusion is that if you want to buy a new K5/K6 and expand it yourself, you don't need an adapter board. See the attached diagram for clarification. The first official K6 expansion version I bought, with motherboard V1.8 and two BL24CM2A chips. I also bought a K5, and the motherboard version is V1.8, costing less than ¥80, with two soldering pads, but I only used one BL24C64F.
BD3OZV By the way, when working with EEPROM, it's best to avoid using a hot air gun. I had heard someone say before that "new users should avoid using heat guns," but they didn't explain why. After I finished blowing it myself, I discovered that the protective film on the keyboard keys had shrunk due to heat, and the key springs had come loose.😂
BI7DDE BD3OZV Me too, the temperature has increased to 320 degrees, it's best to tear off the film and then use a heat gun to disassemble it.
BG4JUG BD3OZV I am, I can peel off and wrinkle the keyboard cover with a knife, and also blow away the LED light's capacitor and resistor.
BH6RHV I also have a dual-soldering pad board, but I only soldered one chip. Is it possible to directly replace the chip to expand its capacity?
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