diff --git a/Encoder.zip b/Encoder.zip
new file mode 100644
index 0000000..61dfff8
Binary files /dev/null and b/Encoder.zip differ
diff --git a/wtf/Encoder.cpp b/wtf/Encoder.cpp
new file mode 100644
index 0000000..6911b4f
--- /dev/null
+++ b/wtf/Encoder.cpp
@@ -0,0 +1,10 @@
+
+#include "Encoder.h"
+
+// Yes, all the code is in the header file, to provide the user
+// configure options with #define (before they include it), and
+// to facilitate some crafty optimizations!
+
+Encoder_internal_state_t * Encoder::interruptArgs[];
+
+
diff --git a/wtf/Encoder.h b/wtf/Encoder.h
new file mode 100644
index 0000000..b51d3bf
--- /dev/null
+++ b/wtf/Encoder.h
@@ -0,0 +1,941 @@
+/* Encoder Library, for measuring quadrature encoded signals
+ * http://www.pjrc.com/teensy/td_libs_Encoder.html
+ * Copyright (c) 2011,2013 PJRC.COM, LLC - Paul Stoffregen <paul@pjrc.com>
+ *
+ * Version 1.1 - expand to support boards with up to 60 interrupts
+ * Version 1.0 - initial release
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#ifndef Encoder_h_
+#define Encoder_h_
+
+#if defined(ARDUINO) && ARDUINO >= 100
+#include "Arduino.h"
+#elif defined(WIRING)
+#include "Wiring.h"
+#else
+#include "WProgram.h"
+#include "pins_arduino.h"
+#endif
+
+#include "utility/direct_pin_read.h"
+
+#if defined(ENCODER_USE_INTERRUPTS) || !defined(ENCODER_DO_NOT_USE_INTERRUPTS)
+#define ENCODER_USE_INTERRUPTS
+#define ENCODER_ARGLIST_SIZE CORE_NUM_INTERRUPT
+#include "utility/interrupt_pins.h"
+#ifdef ENCODER_OPTIMIZE_INTERRUPTS
+#include "utility/interrupt_config.h"
+#endif
+#else
+#define ENCODER_ARGLIST_SIZE 0
+#endif
+
+
+
+// All the data needed by interrupts is consolidated into this ugly struct
+// to facilitate assembly language optimizing of the speed critical update.
+// The assembly code uses auto-incrementing addressing modes, so the struct
+// must remain in exactly this order.
+typedef struct {
+	volatile IO_REG_TYPE * pin1_register;
+	volatile IO_REG_TYPE * pin2_register;
+	IO_REG_TYPE            pin1_bitmask;
+	IO_REG_TYPE            pin2_bitmask;
+	uint8_t                state;
+	int32_t                position;
+} Encoder_internal_state_t;
+
+class Encoder
+{
+public:
+	Encoder(uint8_t pin1, uint8_t pin2) {
+		#ifdef INPUT_PULLUP
+		pinMode(pin1, INPUT_PULLUP);
+		pinMode(pin2, INPUT_PULLUP);
+		#else
+		pinMode(pin1, INPUT);
+		digitalWrite(pin1, HIGH);
+		pinMode(pin2, INPUT);
+		digitalWrite(pin2, HIGH);
+		#endif
+		encoder.pin1_register = PIN_TO_BASEREG(pin1);
+		encoder.pin1_bitmask = PIN_TO_BITMASK(pin1);
+		encoder.pin2_register = PIN_TO_BASEREG(pin2);
+		encoder.pin2_bitmask = PIN_TO_BITMASK(pin2);
+		encoder.position = 0;
+		// allow time for a passive R-C filter to charge
+		// through the pullup resistors, before reading
+		// the initial state
+		delayMicroseconds(2000);
+		uint8_t s = 0;
+		if (DIRECT_PIN_READ(encoder.pin1_register, encoder.pin1_bitmask)) s |= 1;
+		if (DIRECT_PIN_READ(encoder.pin2_register, encoder.pin2_bitmask)) s |= 2;
+		encoder.state = s;
+#ifdef ENCODER_USE_INTERRUPTS
+		interrupts_in_use = attach_interrupt(pin1, &encoder);
+		interrupts_in_use += attach_interrupt(pin2, &encoder);
+#endif
+		//update_finishup();  // to force linker to include the code (does not work)
+	}
+
+
+#ifdef ENCODER_USE_INTERRUPTS
+	inline int32_t read() {
+		if (interrupts_in_use < 2) {
+			noInterrupts();
+			update(&encoder);
+		} else {
+			noInterrupts();
+		}
+		int32_t ret = encoder.position;
+		interrupts();
+		return ret;
+	}
+	inline void write(int32_t p) {
+		noInterrupts();
+		encoder.position = p;
+		interrupts();
+	}
+#else
+	inline int32_t read() {
+		update(&encoder);
+		return encoder.position;
+	}
+	inline void write(int32_t p) {
+		encoder.position = p;
+	}
+#endif
+private:
+	Encoder_internal_state_t encoder;
+#ifdef ENCODER_USE_INTERRUPTS
+	uint8_t interrupts_in_use;
+#endif
+public:
+	static Encoder_internal_state_t * interruptArgs[ENCODER_ARGLIST_SIZE];
+
+//                           _______         _______       
+//               Pin1 ______|       |_______|       |______ Pin1
+// negative <---         _______         _______         __      --> positive
+//               Pin2 __|       |_______|       |_______|   Pin2
+
+		//	new	new	old	old
+		//	pin2	pin1	pin2	pin1	Result
+		//	----	----	----	----	------
+		//	0	0	0	0	no movement
+		//	0	0	0	1	+1
+		//	0	0	1	0	-1
+		//	0	0	1	1	+2  (assume pin1 edges only)
+		//	0	1	0	0	-1
+		//	0	1	0	1	no movement
+		//	0	1	1	0	-2  (assume pin1 edges only)
+		//	0	1	1	1	+1
+		//	1	0	0	0	+1
+		//	1	0	0	1	-2  (assume pin1 edges only)
+		//	1	0	1	0	no movement
+		//	1	0	1	1	-1
+		//	1	1	0	0	+2  (assume pin1 edges only)
+		//	1	1	0	1	-1
+		//	1	1	1	0	+1
+		//	1	1	1	1	no movement
+/*
+	// Simple, easy-to-read "documentation" version :-)
+	//
+	void update(void) {
+		uint8_t s = state & 3;
+		if (digitalRead(pin1)) s |= 4;
+		if (digitalRead(pin2)) s |= 8;
+		switch (s) {
+			case 0: case 5: case 10: case 15:
+				break;
+			case 1: case 7: case 8: case 14:
+				position++; break;
+			case 2: case 4: case 11: case 13:
+				position--; break;
+			case 3: case 12:
+				position += 2; break;
+			default:
+				position -= 2; break;
+		}
+		state = (s >> 2);
+	}
+*/
+
+private:
+	static void update(Encoder_internal_state_t *arg) {
+#if defined(__AVR__)
+		// The compiler believes this is just 1 line of code, so
+		// it will inline this function into each interrupt
+		// handler.  That's a tiny bit faster, but grows the code.
+		// Especially when used with ENCODER_OPTIMIZE_INTERRUPTS,
+		// the inline nature allows the ISR prologue and epilogue
+		// to only save/restore necessary registers, for very nice
+		// speed increase.
+		asm volatile (
+			"ld	r30, X+"		"\n\t"
+			"ld	r31, X+"		"\n\t"
+			"ld	r24, Z"			"\n\t"	// r24 = pin1 input
+			"ld	r30, X+"		"\n\t"
+			"ld	r31, X+"		"\n\t"
+			"ld	r25, Z"			"\n\t"  // r25 = pin2 input
+			"ld	r30, X+"		"\n\t"  // r30 = pin1 mask
+			"ld	r31, X+"		"\n\t"	// r31 = pin2 mask
+			"ld	r22, X"			"\n\t"	// r22 = state
+			"andi	r22, 3"			"\n\t"
+			"and	r24, r30"		"\n\t"
+			"breq	L%=1"			"\n\t"	// if (pin1)
+			"ori	r22, 4"			"\n\t"	//	state |= 4
+		"L%=1:"	"and	r25, r31"		"\n\t"
+			"breq	L%=2"			"\n\t"	// if (pin2)
+			"ori	r22, 8"			"\n\t"	//	state |= 8
+		"L%=2:" "ldi	r30, lo8(pm(L%=table))"	"\n\t"
+			"ldi	r31, hi8(pm(L%=table))"	"\n\t"
+			"add	r30, r22"		"\n\t"
+			"adc	r31, __zero_reg__"	"\n\t"
+			"asr	r22"			"\n\t"
+			"asr	r22"			"\n\t"
+			"st	X+, r22"		"\n\t"  // store new state
+			"ld	r22, X+"		"\n\t"
+			"ld	r23, X+"		"\n\t"
+			"ld	r24, X+"		"\n\t"
+			"ld	r25, X+"		"\n\t"
+			"ijmp"				"\n\t"	// jumps to update_finishup()
+			// TODO move this table to another static function,
+			// so it doesn't get needlessly duplicated.  Easier
+			// said than done, due to linker issues and inlining
+		"L%=table:"				"\n\t"
+			"rjmp	L%=end"			"\n\t"	// 0
+			"rjmp	L%=plus1"		"\n\t"	// 1
+			"rjmp	L%=minus1"		"\n\t"	// 2
+			"rjmp	L%=plus2"		"\n\t"	// 3
+			"rjmp	L%=minus1"		"\n\t"	// 4
+			"rjmp	L%=end"			"\n\t"	// 5
+			"rjmp	L%=minus2"		"\n\t"	// 6
+			"rjmp	L%=plus1"		"\n\t"	// 7
+			"rjmp	L%=plus1"		"\n\t"	// 8
+			"rjmp	L%=minus2"		"\n\t"	// 9
+			"rjmp	L%=end"			"\n\t"	// 10
+			"rjmp	L%=minus1"		"\n\t"	// 11
+			"rjmp	L%=plus2"		"\n\t"	// 12
+			"rjmp	L%=minus1"		"\n\t"	// 13
+			"rjmp	L%=plus1"		"\n\t"	// 14
+			"rjmp	L%=end"			"\n\t"	// 15
+		"L%=minus2:"				"\n\t"
+			"subi	r22, 2"			"\n\t"
+			"sbci	r23, 0"			"\n\t"
+			"sbci	r24, 0"			"\n\t"
+			"sbci	r25, 0"			"\n\t"
+			"rjmp	L%=store"		"\n\t"
+		"L%=minus1:"				"\n\t"
+			"subi	r22, 1"			"\n\t"
+			"sbci	r23, 0"			"\n\t"
+			"sbci	r24, 0"			"\n\t"
+			"sbci	r25, 0"			"\n\t"
+			"rjmp	L%=store"		"\n\t"
+		"L%=plus2:"				"\n\t"
+			"subi	r22, 254"		"\n\t"
+			"rjmp	L%=z"			"\n\t"
+		"L%=plus1:"				"\n\t"
+			"subi	r22, 255"		"\n\t"
+		"L%=z:"	"sbci	r23, 255"		"\n\t"
+			"sbci	r24, 255"		"\n\t"
+			"sbci	r25, 255"		"\n\t"
+		"L%=store:"				"\n\t"
+			"st	-X, r25"		"\n\t"
+			"st	-X, r24"		"\n\t"
+			"st	-X, r23"		"\n\t"
+			"st	-X, r22"		"\n\t"
+		"L%=end:"				"\n"
+		: : "x" (arg) : "r22", "r23", "r24", "r25", "r30", "r31");
+#else
+		uint8_t p1val = DIRECT_PIN_READ(arg->pin1_register, arg->pin1_bitmask);
+		uint8_t p2val = DIRECT_PIN_READ(arg->pin2_register, arg->pin2_bitmask);
+		uint8_t state = arg->state & 3;
+		if (p1val) state |= 4;
+		if (p2val) state |= 8;
+		arg->state = (state >> 2);
+		switch (state) {
+			case 1: case 7: case 8: case 14:
+				arg->position++;
+				return;
+			case 2: case 4: case 11: case 13:
+				arg->position--;
+				return;
+			case 3: case 12:
+				arg->position += 2;
+				return;
+			case 6: case 9:
+				arg->position += 2;
+				return;
+		}
+#endif
+	}
+/*
+#if defined(__AVR__)
+	// TODO: this must be a no inline function
+	// even noinline does not seem to solve difficult
+	// problems with this.  Oh well, it was only meant
+	// to shrink code size - there's no performance
+	// improvement in this, only code size reduction.
+	__attribute__((noinline)) void update_finishup(void) {
+		asm volatile (
+			"ldi	r30, lo8(pm(Ltable))"	"\n\t"
+			"ldi	r31, hi8(pm(Ltable))"	"\n\t"
+		"Ltable:"				"\n\t"
+			"rjmp	L%=end"			"\n\t"	// 0
+			"rjmp	L%=plus1"		"\n\t"	// 1
+			"rjmp	L%=minus1"		"\n\t"	// 2
+			"rjmp	L%=plus2"		"\n\t"	// 3
+			"rjmp	L%=minus1"		"\n\t"	// 4
+			"rjmp	L%=end"			"\n\t"	// 5
+			"rjmp	L%=minus2"		"\n\t"	// 6
+			"rjmp	L%=plus1"		"\n\t"	// 7
+			"rjmp	L%=plus1"		"\n\t"	// 8
+			"rjmp	L%=minus2"		"\n\t"	// 9
+			"rjmp	L%=end"			"\n\t"	// 10
+			"rjmp	L%=minus1"		"\n\t"	// 11
+			"rjmp	L%=plus2"		"\n\t"	// 12
+			"rjmp	L%=minus1"		"\n\t"	// 13
+			"rjmp	L%=plus1"		"\n\t"	// 14
+			"rjmp	L%=end"			"\n\t"	// 15
+		"L%=minus2:"				"\n\t"
+			"subi	r22, 2"			"\n\t"
+			"sbci	r23, 0"			"\n\t"
+			"sbci	r24, 0"			"\n\t"
+			"sbci	r25, 0"			"\n\t"
+			"rjmp	L%=store"		"\n\t"
+		"L%=minus1:"				"\n\t"
+			"subi	r22, 1"			"\n\t"
+			"sbci	r23, 0"			"\n\t"
+			"sbci	r24, 0"			"\n\t"
+			"sbci	r25, 0"			"\n\t"
+			"rjmp	L%=store"		"\n\t"
+		"L%=plus2:"				"\n\t"
+			"subi	r22, 254"		"\n\t"
+			"rjmp	L%=z"			"\n\t"
+		"L%=plus1:"				"\n\t"
+			"subi	r22, 255"		"\n\t"
+		"L%=z:"	"sbci	r23, 255"		"\n\t"
+			"sbci	r24, 255"		"\n\t"
+			"sbci	r25, 255"		"\n\t"
+		"L%=store:"				"\n\t"
+			"st	-X, r25"		"\n\t"
+			"st	-X, r24"		"\n\t"
+			"st	-X, r23"		"\n\t"
+			"st	-X, r22"		"\n\t"
+		"L%=end:"				"\n"
+		: : : "r22", "r23", "r24", "r25", "r30", "r31");
+	}
+#endif
+*/
+
+
+#ifdef ENCODER_USE_INTERRUPTS
+	// this giant function is an unfortunate consequence of Arduino's
+	// attachInterrupt function not supporting any way to pass a pointer
+	// or other context to the attached function.
+	static uint8_t attach_interrupt(uint8_t pin, Encoder_internal_state_t *state) {
+		switch (pin) {
+		#ifdef CORE_INT0_PIN
+			case CORE_INT0_PIN:
+				interruptArgs[0] = state;
+				attachInterrupt(0, isr0, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT1_PIN
+			case CORE_INT1_PIN:
+				interruptArgs[1] = state;
+				attachInterrupt(1, isr1, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT2_PIN
+			case CORE_INT2_PIN:
+				interruptArgs[2] = state;
+				attachInterrupt(2, isr2, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT3_PIN
+			case CORE_INT3_PIN:
+				interruptArgs[3] = state;
+				attachInterrupt(3, isr3, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT4_PIN
+			case CORE_INT4_PIN:
+				interruptArgs[4] = state;
+				attachInterrupt(4, isr4, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT5_PIN
+			case CORE_INT5_PIN:
+				interruptArgs[5] = state;
+				attachInterrupt(5, isr5, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT6_PIN
+			case CORE_INT6_PIN:
+				interruptArgs[6] = state;
+				attachInterrupt(6, isr6, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT7_PIN
+			case CORE_INT7_PIN:
+				interruptArgs[7] = state;
+				attachInterrupt(7, isr7, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT8_PIN
+			case CORE_INT8_PIN:
+				interruptArgs[8] = state;
+				attachInterrupt(8, isr8, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT9_PIN
+			case CORE_INT9_PIN:
+				interruptArgs[9] = state;
+				attachInterrupt(9, isr9, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT10_PIN
+			case CORE_INT10_PIN:
+				interruptArgs[10] = state;
+				attachInterrupt(10, isr10, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT11_PIN
+			case CORE_INT11_PIN:
+				interruptArgs[11] = state;
+				attachInterrupt(11, isr11, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT12_PIN
+			case CORE_INT12_PIN:
+				interruptArgs[12] = state;
+				attachInterrupt(12, isr12, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT13_PIN
+			case CORE_INT13_PIN:
+				interruptArgs[13] = state;
+				attachInterrupt(13, isr13, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT14_PIN
+			case CORE_INT14_PIN:
+				interruptArgs[14] = state;
+				attachInterrupt(14, isr14, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT15_PIN
+			case CORE_INT15_PIN:
+				interruptArgs[15] = state;
+				attachInterrupt(15, isr15, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT16_PIN
+			case CORE_INT16_PIN:
+				interruptArgs[16] = state;
+				attachInterrupt(16, isr16, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT17_PIN
+			case CORE_INT17_PIN:
+				interruptArgs[17] = state;
+				attachInterrupt(17, isr17, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT18_PIN
+			case CORE_INT18_PIN:
+				interruptArgs[18] = state;
+				attachInterrupt(18, isr18, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT19_PIN
+			case CORE_INT19_PIN:
+				interruptArgs[19] = state;
+				attachInterrupt(19, isr19, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT20_PIN
+			case CORE_INT20_PIN:
+				interruptArgs[20] = state;
+				attachInterrupt(20, isr20, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT21_PIN
+			case CORE_INT21_PIN:
+				interruptArgs[21] = state;
+				attachInterrupt(21, isr21, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT22_PIN
+			case CORE_INT22_PIN:
+				interruptArgs[22] = state;
+				attachInterrupt(22, isr22, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT23_PIN
+			case CORE_INT23_PIN:
+				interruptArgs[23] = state;
+				attachInterrupt(23, isr23, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT24_PIN
+			case CORE_INT24_PIN:
+				interruptArgs[24] = state;
+				attachInterrupt(24, isr24, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT25_PIN
+			case CORE_INT25_PIN:
+				interruptArgs[25] = state;
+				attachInterrupt(25, isr25, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT26_PIN
+			case CORE_INT26_PIN:
+				interruptArgs[26] = state;
+				attachInterrupt(26, isr26, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT27_PIN
+			case CORE_INT27_PIN:
+				interruptArgs[27] = state;
+				attachInterrupt(27, isr27, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT28_PIN
+			case CORE_INT28_PIN:
+				interruptArgs[28] = state;
+				attachInterrupt(28, isr28, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT29_PIN
+			case CORE_INT29_PIN:
+				interruptArgs[29] = state;
+				attachInterrupt(29, isr29, CHANGE);
+				break;
+		#endif
+
+		#ifdef CORE_INT30_PIN
+			case CORE_INT30_PIN:
+				interruptArgs[30] = state;
+				attachInterrupt(30, isr30, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT31_PIN
+			case CORE_INT31_PIN:
+				interruptArgs[31] = state;
+				attachInterrupt(31, isr31, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT32_PIN
+			case CORE_INT32_PIN:
+				interruptArgs[32] = state;
+				attachInterrupt(32, isr32, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT33_PIN
+			case CORE_INT33_PIN:
+				interruptArgs[33] = state;
+				attachInterrupt(33, isr33, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT34_PIN
+			case CORE_INT34_PIN:
+				interruptArgs[34] = state;
+				attachInterrupt(34, isr34, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT35_PIN
+			case CORE_INT35_PIN:
+				interruptArgs[35] = state;
+				attachInterrupt(35, isr35, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT36_PIN
+			case CORE_INT36_PIN:
+				interruptArgs[36] = state;
+				attachInterrupt(36, isr36, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT37_PIN
+			case CORE_INT37_PIN:
+				interruptArgs[37] = state;
+				attachInterrupt(37, isr37, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT38_PIN
+			case CORE_INT38_PIN:
+				interruptArgs[38] = state;
+				attachInterrupt(38, isr38, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT39_PIN
+			case CORE_INT39_PIN:
+				interruptArgs[39] = state;
+				attachInterrupt(39, isr39, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT40_PIN
+			case CORE_INT40_PIN:
+				interruptArgs[40] = state;
+				attachInterrupt(40, isr40, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT41_PIN
+			case CORE_INT41_PIN:
+				interruptArgs[41] = state;
+				attachInterrupt(41, isr41, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT42_PIN
+			case CORE_INT42_PIN:
+				interruptArgs[42] = state;
+				attachInterrupt(42, isr42, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT43_PIN
+			case CORE_INT43_PIN:
+				interruptArgs[43] = state;
+				attachInterrupt(43, isr43, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT44_PIN
+			case CORE_INT44_PIN:
+				interruptArgs[44] = state;
+				attachInterrupt(44, isr44, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT45_PIN
+			case CORE_INT45_PIN:
+				interruptArgs[45] = state;
+				attachInterrupt(45, isr45, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT46_PIN
+			case CORE_INT46_PIN:
+				interruptArgs[46] = state;
+				attachInterrupt(46, isr46, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT47_PIN
+			case CORE_INT47_PIN:
+				interruptArgs[47] = state;
+				attachInterrupt(47, isr47, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT48_PIN
+			case CORE_INT48_PIN:
+				interruptArgs[48] = state;
+				attachInterrupt(48, isr48, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT49_PIN
+			case CORE_INT49_PIN:
+				interruptArgs[49] = state;
+				attachInterrupt(49, isr49, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT50_PIN
+			case CORE_INT50_PIN:
+				interruptArgs[50] = state;
+				attachInterrupt(50, isr50, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT51_PIN
+			case CORE_INT51_PIN:
+				interruptArgs[51] = state;
+				attachInterrupt(51, isr51, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT52_PIN
+			case CORE_INT52_PIN:
+				interruptArgs[52] = state;
+				attachInterrupt(52, isr52, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT53_PIN
+			case CORE_INT53_PIN:
+				interruptArgs[53] = state;
+				attachInterrupt(53, isr53, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT54_PIN
+			case CORE_INT54_PIN:
+				interruptArgs[54] = state;
+				attachInterrupt(54, isr54, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT55_PIN
+			case CORE_INT55_PIN:
+				interruptArgs[55] = state;
+				attachInterrupt(55, isr55, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT56_PIN
+			case CORE_INT56_PIN:
+				interruptArgs[56] = state;
+				attachInterrupt(56, isr56, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT57_PIN
+			case CORE_INT57_PIN:
+				interruptArgs[57] = state;
+				attachInterrupt(57, isr57, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT58_PIN
+			case CORE_INT58_PIN:
+				interruptArgs[58] = state;
+				attachInterrupt(58, isr58, CHANGE);
+				break;
+		#endif
+		#ifdef CORE_INT59_PIN
+			case CORE_INT59_PIN:
+				interruptArgs[59] = state;
+				attachInterrupt(59, isr59, CHANGE);
+				break;
+		#endif
+			default:
+				return 0;
+		}
+		return 1;
+	}
+#endif // ENCODER_USE_INTERRUPTS
+
+
+#if defined(ENCODER_USE_INTERRUPTS) && !defined(ENCODER_OPTIMIZE_INTERRUPTS)
+	#ifdef CORE_INT0_PIN
+	static void isr0(void) { update(interruptArgs[0]); }
+	#endif
+	#ifdef CORE_INT1_PIN
+	static void isr1(void) { update(interruptArgs[1]); }
+	#endif
+	#ifdef CORE_INT2_PIN
+	static void isr2(void) { update(interruptArgs[2]); }
+	#endif
+	#ifdef CORE_INT3_PIN
+	static void isr3(void) { update(interruptArgs[3]); }
+	#endif
+	#ifdef CORE_INT4_PIN
+	static void isr4(void) { update(interruptArgs[4]); }
+	#endif
+	#ifdef CORE_INT5_PIN
+	static void isr5(void) { update(interruptArgs[5]); }
+	#endif
+	#ifdef CORE_INT6_PIN
+	static void isr6(void) { update(interruptArgs[6]); }
+	#endif
+	#ifdef CORE_INT7_PIN
+	static void isr7(void) { update(interruptArgs[7]); }
+	#endif
+	#ifdef CORE_INT8_PIN
+	static void isr8(void) { update(interruptArgs[8]); }
+	#endif
+	#ifdef CORE_INT9_PIN
+	static void isr9(void) { update(interruptArgs[9]); }
+	#endif
+	#ifdef CORE_INT10_PIN
+	static void isr10(void) { update(interruptArgs[10]); }
+	#endif
+	#ifdef CORE_INT11_PIN
+	static void isr11(void) { update(interruptArgs[11]); }
+	#endif
+	#ifdef CORE_INT12_PIN
+	static void isr12(void) { update(interruptArgs[12]); }
+	#endif
+	#ifdef CORE_INT13_PIN
+	static void isr13(void) { update(interruptArgs[13]); }
+	#endif
+	#ifdef CORE_INT14_PIN
+	static void isr14(void) { update(interruptArgs[14]); }
+	#endif
+	#ifdef CORE_INT15_PIN
+	static void isr15(void) { update(interruptArgs[15]); }
+	#endif
+	#ifdef CORE_INT16_PIN
+	static void isr16(void) { update(interruptArgs[16]); }
+	#endif
+	#ifdef CORE_INT17_PIN
+	static void isr17(void) { update(interruptArgs[17]); }
+	#endif
+	#ifdef CORE_INT18_PIN
+	static void isr18(void) { update(interruptArgs[18]); }
+	#endif
+	#ifdef CORE_INT19_PIN
+	static void isr19(void) { update(interruptArgs[19]); }
+	#endif
+	#ifdef CORE_INT20_PIN
+	static void isr20(void) { update(interruptArgs[20]); }
+	#endif
+	#ifdef CORE_INT21_PIN
+	static void isr21(void) { update(interruptArgs[21]); }
+	#endif
+	#ifdef CORE_INT22_PIN
+	static void isr22(void) { update(interruptArgs[22]); }
+	#endif
+	#ifdef CORE_INT23_PIN
+	static void isr23(void) { update(interruptArgs[23]); }
+	#endif
+	#ifdef CORE_INT24_PIN
+	static void isr24(void) { update(interruptArgs[24]); }
+	#endif
+	#ifdef CORE_INT25_PIN
+	static void isr25(void) { update(interruptArgs[25]); }
+	#endif
+	#ifdef CORE_INT26_PIN
+	static void isr26(void) { update(interruptArgs[26]); }
+	#endif
+	#ifdef CORE_INT27_PIN
+	static void isr27(void) { update(interruptArgs[27]); }
+	#endif
+	#ifdef CORE_INT28_PIN
+	static void isr28(void) { update(interruptArgs[28]); }
+	#endif
+	#ifdef CORE_INT29_PIN
+	static void isr29(void) { update(interruptArgs[29]); }
+	#endif
+	#ifdef CORE_INT30_PIN
+	static void isr30(void) { update(interruptArgs[30]); }
+	#endif
+	#ifdef CORE_INT31_PIN
+	static void isr31(void) { update(interruptArgs[31]); }
+	#endif
+	#ifdef CORE_INT32_PIN
+	static void isr32(void) { update(interruptArgs[32]); }
+	#endif
+	#ifdef CORE_INT33_PIN
+	static void isr33(void) { update(interruptArgs[33]); }
+	#endif
+	#ifdef CORE_INT34_PIN
+	static void isr34(void) { update(interruptArgs[34]); }
+	#endif
+	#ifdef CORE_INT35_PIN
+	static void isr35(void) { update(interruptArgs[35]); }
+	#endif
+	#ifdef CORE_INT36_PIN
+	static void isr36(void) { update(interruptArgs[36]); }
+	#endif
+	#ifdef CORE_INT37_PIN
+	static void isr37(void) { update(interruptArgs[37]); }
+	#endif
+	#ifdef CORE_INT38_PIN
+	static void isr38(void) { update(interruptArgs[38]); }
+	#endif
+	#ifdef CORE_INT39_PIN
+	static void isr39(void) { update(interruptArgs[39]); }
+	#endif
+	#ifdef CORE_INT40_PIN
+	static void isr40(void) { update(interruptArgs[40]); }
+	#endif
+	#ifdef CORE_INT41_PIN
+	static void isr41(void) { update(interruptArgs[41]); }
+	#endif
+	#ifdef CORE_INT42_PIN
+	static void isr42(void) { update(interruptArgs[42]); }
+	#endif
+	#ifdef CORE_INT43_PIN
+	static void isr43(void) { update(interruptArgs[43]); }
+	#endif
+	#ifdef CORE_INT44_PIN
+	static void isr44(void) { update(interruptArgs[44]); }
+	#endif
+	#ifdef CORE_INT45_PIN
+	static void isr45(void) { update(interruptArgs[45]); }
+	#endif
+	#ifdef CORE_INT46_PIN
+	static void isr46(void) { update(interruptArgs[46]); }
+	#endif
+	#ifdef CORE_INT47_PIN
+	static void isr47(void) { update(interruptArgs[47]); }
+	#endif
+	#ifdef CORE_INT48_PIN
+	static void isr48(void) { update(interruptArgs[48]); }
+	#endif
+	#ifdef CORE_INT49_PIN
+	static void isr49(void) { update(interruptArgs[49]); }
+	#endif
+	#ifdef CORE_INT50_PIN
+	static void isr50(void) { update(interruptArgs[50]); }
+	#endif
+	#ifdef CORE_INT51_PIN
+	static void isr51(void) { update(interruptArgs[51]); }
+	#endif
+	#ifdef CORE_INT52_PIN
+	static void isr52(void) { update(interruptArgs[52]); }
+	#endif
+	#ifdef CORE_INT53_PIN
+	static void isr53(void) { update(interruptArgs[53]); }
+	#endif
+	#ifdef CORE_INT54_PIN
+	static void isr54(void) { update(interruptArgs[54]); }
+	#endif
+	#ifdef CORE_INT55_PIN
+	static void isr55(void) { update(interruptArgs[55]); }
+	#endif
+	#ifdef CORE_INT56_PIN
+	static void isr56(void) { update(interruptArgs[56]); }
+	#endif
+	#ifdef CORE_INT57_PIN
+	static void isr57(void) { update(interruptArgs[57]); }
+	#endif
+	#ifdef CORE_INT58_PIN
+	static void isr58(void) { update(interruptArgs[58]); }
+	#endif
+	#ifdef CORE_INT59_PIN
+	static void isr59(void) { update(interruptArgs[59]); }
+	#endif
+#endif
+};
+
+#if defined(ENCODER_USE_INTERRUPTS) && defined(ENCODER_OPTIMIZE_INTERRUPTS)
+#if defined(__AVR__)
+#if defined(INT0_vect) && CORE_NUM_INTERRUPT > 0
+ISR(INT0_vect) { Encoder::update(Encoder::interruptArgs[SCRAMBLE_INT_ORDER(0)]); }
+#endif
+#if defined(INT1_vect) && CORE_NUM_INTERRUPT > 1
+ISR(INT1_vect) { Encoder::update(Encoder::interruptArgs[SCRAMBLE_INT_ORDER(1)]); }
+#endif
+#if defined(INT2_vect) && CORE_NUM_INTERRUPT > 2
+ISR(INT2_vect) { Encoder::update(Encoder::interruptArgs[SCRAMBLE_INT_ORDER(2)]); }
+#endif
+#if defined(INT3_vect) && CORE_NUM_INTERRUPT > 3
+ISR(INT3_vect) { Encoder::update(Encoder::interruptArgs[SCRAMBLE_INT_ORDER(3)]); }
+#endif
+#if defined(INT4_vect) && CORE_NUM_INTERRUPT > 4
+ISR(INT4_vect) { Encoder::update(Encoder::interruptArgs[SCRAMBLE_INT_ORDER(4)]); }
+#endif
+#if defined(INT5_vect) && CORE_NUM_INTERRUPT > 5
+ISR(INT5_vect) { Encoder::update(Encoder::interruptArgs[SCRAMBLE_INT_ORDER(5)]); }
+#endif
+#if defined(INT6_vect) && CORE_NUM_INTERRUPT > 6
+ISR(INT6_vect) { Encoder::update(Encoder::interruptArgs[SCRAMBLE_INT_ORDER(6)]); }
+#endif
+#if defined(INT7_vect) && CORE_NUM_INTERRUPT > 7
+ISR(INT7_vect) { Encoder::update(Encoder::interruptArgs[SCRAMBLE_INT_ORDER(7)]); }
+#endif
+#endif // AVR
+#endif // ENCODER_OPTIMIZE_INTERRUPTS
+
+
+#endif
diff --git a/wtf/wtf.ino b/wtf/wtf.ino
new file mode 100644
index 0000000..e1dfd0a
--- /dev/null
+++ b/wtf/wtf.ino
@@ -0,0 +1,154 @@
+#include <Encoder.h>
+#include <stdio.h>
+
+
+Encoder rotEnc(A0, A1);
+long encVal = 0;
+int activeTimer=0;
+int timerLens[3];
+int grindCheck = 0;
+
+bool buttonLeftPressed=false;
+void buttonLeft() {
+    buttonLeftPressed=true;
+}
+
+bool buttonRightPressed=false;
+void buttonRight() {
+    buttonRightPressed=true;
+}
+
+bool buttonMidPressed=false;
+void buttonMid() {
+    buttonMidPressed=true;
+}
+
+bool turnedLeft=false;
+void turnLeft() {
+    turnedLeft=true;
+}
+
+bool turnedRight=false;
+void turnRight() {
+    turnedRight=true;
+}
+
+bool rotPressed=false;
+void pressRot() {
+    rotPressed=true;
+}
+
+void lcdPut(char* text) {
+    char str[35];
+    //printf("%c[2K", 27);
+    //printf("\r%s", text );
+    //fflush(stdout);
+    sprintf(str, "%c[2K\n\r%s", 27, text);
+    Serial.println(str);
+}
+
+
+void grind(int time) {
+    lcdPut("grinding...");
+    delay(time);
+    lcdPut("Fin...");
+    delay(80);
+}
+
+
+void boilerplate() {
+  
+  if(rotEnc.read() < encVal) {
+    encVal = rotEnc.read();
+    turnLeft();
+    return;
+  } else if(rotEnc.read() > encVal) {
+    encVal = rotEnc.read();
+    turnRight();
+    return;
+  }
+  
+  if( digitalRead(A2) == LOW && grindCheck > 25 ) {
+     grind( timerLens[activeTimer] );
+     grindCheck = 0;
+     delay(25);
+  }
+  if( digitalRead(A2) == LOW && grindCheck >= 0 && grindCheck <= 25 ) {
+    grindCheck++;
+  }
+  if( digitalRead(A2) == HIGH && grindCheck > 0 ) {
+    grindCheck = 0;
+  }
+
+  
+  if( digitalRead(A3) == LOW ) {
+    buttonLeft();
+    delay(25);
+  }
+  
+  if( digitalRead(A4) == LOW ) {
+    buttonMid();
+    delay(25);
+  }
+  
+  if( digitalRead(A5) == LOW ) {
+    buttonRight();
+    delay(25);
+  }
+  
+  
+}
+
+
+void loop() {
+    boilerplate();
+    
+    char str[16];
+    sprintf(str, "T%1d: %10d", activeTimer, timerLens[activeTimer]);
+    lcdPut(str);
+
+    if(buttonLeftPressed) {
+        buttonLeftPressed=false;
+        activeTimer=0;
+    }
+    if(buttonRightPressed) {
+        buttonRightPressed=false;
+        activeTimer=2;
+    }
+    if(buttonMidPressed) {
+        buttonMidPressed=false;
+        activeTimer=1;
+    }
+    if(turnedLeft) {
+        turnedLeft=false;
+        timerLens[activeTimer] -= 5;
+    }
+    if(turnedRight) {
+        turnedRight=false;
+        timerLens[activeTimer] += 5;
+    }
+    if(rotPressed) {
+        rotPressed=false;
+        grind(timerLens[activeTimer]);
+    }
+}
+
+
+
+void setup()
+{
+    Serial.begin(9600);
+  
+    timerLens[0] = 1000;
+    timerLens[1] = 250;
+    timerLens[2] = 2500;
+        
+    pinMode(A3, INPUT);
+    digitalWrite(A3,HIGH);
+    pinMode(A4, INPUT);
+    digitalWrite(A4,HIGH);
+    pinMode(A5, INPUT);
+    digitalWrite(A5,HIGH);
+    
+    
+}