Skip to content

Instantly share code, notes, and snippets.

Avatar

Limor "Ladyada" Fried ladyada

View GitHub Profile
@ladyada
ladyada / gist:fd6dbc5a7efdc3e01468416603d38df5
Created Mar 27, 2021
Feather RP2040 + SPI TFT + MCP9808 Demo
View gist:fd6dbc5a7efdc3e01468416603d38df5
#include <SPI.h>
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
#include "Adafruit_MCP9808.h"
#include <Fonts/FreeSans18pt7b.h>
// These are 'flexible' lines that can be changed
#define TFT_CS 9
#define TFT_DC 10
@ladyada
ladyada / code.py
Created Nov 9, 2020
CircuitPython Countdown for MagTag Demo
View code.py
import sys
import time
import board
import wifi
import socketpool
import adafruit_requests
import ssl
import rtc
import displayio
import terminalio
View keybase.md

Keybase proof

I hereby claim:

  • I am ladyada on github.
  • I am ladyada (https://keybase.io/ladyada) on keybase.
  • I have a public key ASBl1-cokjGT52e6QFsXIXbUGwEWIGJTpJZdV5cToeYMIQo

To claim this, I am signing this object:

View GPS Joystick
#include <Adafruit_GPS.h>
#include <SoftwareSerial.h>
SoftwareSerial gpsSerial(12, 11);
Adafruit_GPS GPS(&gpsSerial);
#define JOY_X A4
#define JOY_Y A5
#define MOVE_INCR 0.001 // how much to move per tick
@ladyada
ladyada / de-dp14211.ino
Last active Aug 8, 2016
de-dp14211 Demo
View de-dp14211.ino
// Uses library https://github.com/gauravmm/HT1632-for-Arduino
#include <HT1632.h>
#include <font_5x4.h>
#include <images.h>
int i = 0;
#define DISPLAY_CLK 13
#define DISPLAY_CS1 12 // first panel's CS pin
@ladyada
ladyada / config.txt
Created Feb 18, 2016
customized HDMI output
View config.txt
# uncomment if you get no picture on HDMI for a default &quot;safe&quot; mode
#hdmi_safe=1
# uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan
#disable_overscan=1
# uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border
#overscan_left=16
View adalogger.ino
#include <SPI.h>
#include <SD.h>
// Set the pins used
#define cardSelect 4
File logfile;
// blink out an error code
void error(uint8_t errno) {
@ladyada
ladyada / ar1100cal.py
Last active Mar 19, 2018
ar1100.py auto-calibrator
View ar1100cal.py
#!/usr/bin/python
import sys
import usb.core
import usb.util
import time
import os
import pygame
from pygame.locals import*
def mapnum(x, in_min, in_max, out_min, out_max):
View gist:42e738bbc2d6014d127c
#include <Wire.h>
#include "Adafruit_Trellis.h"
#include <SoftwareSerial.h>
#include "Adafruit_Soundboard.h"
/************ sound board setup ***********/
// Choose any two pins that can be used with SoftwareSerial to RX & TX
#define SFX_TX 5
#define SFX_RX 6
// Connect to the RST pin on the Sound Board
@ladyada
ladyada / pitftupdater.sh
Last active Dec 6, 2016
PiTFT updater scripty
View pitftupdater.sh
#!/bin/bash
# PiTFT Resistive 2.8" (PID 1601) or Capacitive 2.8" (PID 1983) setup script or Resistive 3.5" (PID 2097) or 2.2" No-Touchscreen setup script!
set -e
function cleanup() {
if [ "${mountpoint}" != "/" ]
then
sudo -n umount "${mountpoint}/boot" 2> /dev/null