code + doc

* First push of the codebase
* Dependencies & hardware documentation

MiniKEYS.ino

@@ -0,0 +1,40 @@
+#include "Adafruit_NeoKey_1x4.h"
+#include "seesaw_neopixel.h"
+#include <Keyboard.h>
+
+Adafruit_NeoKey_1x4 neokey;
+
+void setup() {
+  Keyboard.begin();
+  if (! neokey.begin(0x30)) {
+    Serial.println("No peripheral detected.");
+    while(1) delay(10);
+  }
+}
+
+void loop() {
+  
+  uint8_t buttons = neokey.read();
+
+  if (buttons & (1<<3)) {
+    Keyboard.press(KEY_HOME);
+  } else {
+    Keyboard.release(KEY_HOME);
+  }
+  if (buttons & (1<<2)) {
+    Keyboard.press(KEY_PAGE_UP);
+  } else {
+    Keyboard.release(KEY_PAGE_UP);
+  }
+  if (buttons & (1<<1)) {
+    Keyboard.press(KEY_PAGE_DOWN);
+  } else {
+    Keyboard.release(KEY_PAGE_DOWN);
+  }
+  if (buttons & (1<<0)) {
+    Keyboard.press(KEY_END);
+  } else {
+    Keyboard.release(KEY_END);
+  }
+
+}

README.md

@@ -1,2 +1,17 @@
 # MiniKEYS
 
+4-keyboard featuring <kbd>HOME</kbd>, <kbd>END</kbd>, <kbd>PgUp</kbd> and <kbd>PgDn</kbd> to provide lacking laptops with dedicated keys.
+
+## Hardware
+
+Microcontroller Unit (MCU)
+: [_Adafruit Trinkey QT2040_](https://adafru.it/5056) (RP2040 chipset)
+
+Peripheral
+: [_NeoKey 1x4 QT I2C_](https://adafru.it/4980) (I2C peripheral)
+
+## Dependencies
+
+Libraries will be imported in this repository. In the meantime, please resolve the dependencies manually by installing the following libraries:
+
+* `Adafruit seesaw Library` by _Adafruit_