JeffCarpenter

// Tristan's Foot Pedals and Latency Tester Arduino Program
// Provides 5 buttons: left click, right click, scroll up, scroll down, latency test
// If you don't want all of these you can comment out the buttons you don't need.

#define BOUNCE_LOCK_OUT
#include <Bounce2.h>
#include "Keyboard.h"

const int scrollInterval = 80;

JeffCarpenter

#!/bin/bash

# Make a PDF look scanned. 
# Extracted from https://github.com/baicunko/scanyourpdf and modified for smaller output files (compression lower density).

INPUT_FILE=$1
/usr/local/bin/convert -density '80' ${INPUT_FILE}  -colorspace 'gray' -linear-stretch '3.5%x10%' \
	-blur '0x0.5' -attenuate '0.25' +noise  Gaussian -rotate 0.5 \
    -compress lzw -quality 50  scanned_${INPUT_FILE}

JeffCarpenter

; The Lisp defined in McCarthy's 1960 paper, translated into CL.
; Assumes only quote, atom, eq, cons, car, cdr, cond.
; Bug reports to lispcode@paulgraham.com.

(defun null. (x)
  (eq x '()))

(defun and. (x y)
  (cond (x (cond (y 't) ('t '())))
        ('t '())))