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project802
Technical information about the Kunlun keyboard
| Reference | Value | Description |
|---|---|---|
| U1 | ATmega32U4-A | 16MHz, 32kB Flash, 2.5kB SRAM, 1kB EEPROM, USB 2.0, TQFP-44 |
| U2 | AP2112K-3.3 | 600mA low dropout linear regulator, with enable pin, 3.8V-6V input voltage range, 3.3V fixed positive output, SOT-23-5 |
| U10-U13,U20-U24 | 74HC595 | 8-bit serial in/out Shift Register 3-State Outputs |
| A?,B?,B?,Backslash?,BS1,BS2,C?,CapsLock?,CloseBkt?,Colon?,CommaLT?,D?,Down?,E?,End?,Enter?,Escape?,F?,G?,H?,Home?,I?,J?,K?,L?,LAlt?,LControl?,Left?,LFn1,LFn2,LShift?,M?,Minus?,N?,Num0-Num9,O?,OpenBkt?,P?,PeriodGT?,Plus?,PrintScr?,Q?,Quote?,R?,RAlt?,Right?,RShift?,S?,SlashQuestion?,Space?,T?,Tab?,U?,Up?,V?,W?,X?,Y?,Z? | SW_Push | Push button switch, generic, two pins |
| C1,C3 | 12 uF | Unpolarized capacitor |
| C2,C4 | 10 uF | Unpolarized capacitor |
| C5,C6 | 0.1 uF | Unpolarized capacitor |
| CR1,CR2 | 5.1k | Resistor |
| D1-D3 | WS2812B | RGB LED with integrated controller |
| F1 | Fuse | Fuse |
| J1,J5,J6 | Conn_01x06_Pin | Generic connector, single row, 01x06, script generated |
| J2 | USB_C_Receptacle_USB2.0_14P | USB 2.0-only 14P Type-C Receptacle connector |
| J3 | Conn_01x03_Pin | Generic connector, single row, 01x03, script generated |
| J4,J7 | Conn_01x04_Pin | Generic connector, single row, 01x04, script generated |
| R1 | 2.2k,22 | Resistor |
| R2 | 22 | Resistor |