Union wireless master control, 40% programmable conventional configuration keyboard

The main control used is removed from the Logitech K230 keyboard. The main control board and the keyboard motherboard are welded with component pins. Try to use thin connections, and thin enameled wire is better.

For the production process, please refer to: https://oshwhub.com/iqirtryi/K230-PKB40

It is equipped with a 1200mAh lithium battery (Zhongshunxin’s ultra-thin twin model), uses TP4057 for charging management, and has an LED to indicate charging and full status.

An HM1160 was installed to detect electricity. Although it is not commonly used, the components are cheap and easy to make, so it doesn’t matter if you try it after installing it.

A keyboard with a small layout must be programmable before it can be used. This keyboard can use AutoHotKey software to convert key codes, or use hardware as a U2U key code converter.

Keyboard layout reference: https://oshwhub.com/iqirtryi/iqirtryi40_keyboard

For AutoHotKey software conversion, please refer to the attached source code: https://oshwhub.com/iqirtryi/pkb40-with-k230_copy_copy

Level 0: letters + function keys, Fn1 enters the numeric keyboard and punctuation mark area, Fn2 enters the F functional area and punctuation mark layer. Tap Fn3, type Esc, and long press to enter the software shortcut key and media key layer.

Update: In order to facilitate comma period as page turning in Chinese input method, the independent direction keys have been slightly changed.

When typing with both hands on the keyboard, press Fn1 and Fn2 directly down with both thumbs to switch between Chinese and English, and Fn1 and space to switch between uppercase and lowercase keys.

Press and hold Fn2, the direction keys become pageup, pagedown, home, end, and the backspace key becomes the Del key, which is convenient and fast.

Level 1: On the left is a complete numeric keypad and arithmetic symbols, which is convenient for the left hand to input numbers with one hand. On the right are some punctuation marks. All punctuation marks are arranged according to personal habits and easy to remember, such as? It is the F position where Fa asks the question, # is at the J position of the pound sign... +-×/= takes into account the use of the numeric keyboard.

Level 2: Some punctuation marks are on the left, the F function key area is on the right, and the arrow keys in the lower right corner change to pageup, pagedown, home, and end.

Layer 3: Software shortcut keys and media keys. The volume, forward and backward of the media playback keys are consistent with the operation habits of the direction keys. Fn3+letter is equivalent to Ctrl+Alt+Shift+letter and can be set as a software shortcut key. For example, Fn3+C runs Chrome, Fn3+Q runs QQ, Fn3+W runs WeChat, Fn3+M runs music music software, and Fn3+V runs video video software......

Thank you for your attention. If you find it interesting, remember to like + comment + collect!