Discover @technoblogy Open Source projects

Minimal I2C master routines for all AVR microcontrollers.

351

tiny-i2c

A handheld computer programmed in Lisp with a self-contained keyboard and display.

145

lisp-badge

A version of the Lisp programming language for ESP8266 and ESP32-based boards.

109

ulisp-esp

A version of the Lisp programming language for ARM-based boards.

102

ulisp-arm

A self-contained computer with its own display and keyboard, based on an ATmega328 or ATmega1284, that you can program in Lisp.

tiny-lisp-computer

Eagle

attiny10core

For programming the ATtiny10/9/5/4.

ulisp-zero

A pared-down version of uLisp for hackers.

A RISC-V assembler written in Lisp.

lisp-riscv-assembler

An interface to allow you to use the Bosch BME280 sensor from an ATtiny processor.

tiny-bme280

An ARM Thumb assembler written in Lisp.

lisp-arm-assembler

A minimal breakout board based on the Raspberry Pi RP2040 processor.

minimal-rp2040-board

tiny-function-generator

A signal generator based on an ATtiny85 that generates a range of different waveforms

A version of the Lisp programming language for STM32-based boards

ulisp-stm32

A small graphics library for ATtiny microcontrollers that supports a variety of different colour TFT displays.

tiny-tft-graphics-library

A handheld tool that gives a visual indication of the frequency or voltage at the probe.

frequency-probe

Identify I2C devices from a database of the most popular I2C sensors and other devices

i2c-detective

Minimal I2C master routines for the new AVR microcontrollers.

tiny-mega-i2c

A version of the Lisp programming language for RISC-V based boards.

ulisp-riscv

A microcontroller board that can accommodate a range of different colour TFT displays.

universal-tft-display-backpack

ulisp-builder

Builds a version of uLisp for a particular platform from a common repository of source files

A two-digit LED thermometer using a DS12B20 1-Wire temperature sensor, and an ATtiny84.

two-digit-thermometer

A Lisp interpreter that displays the contents of the Lisp workspace on an OLED display

visible-lisp-computer

A graphics library using SPI that supports a variety of different colour TFT displays.

compact-tft-graphics-library

A simple continuity tester, based on an ATtiny85 and a piezo buzzer.

continuity-tester

For programming a stand-alone ATmega328 or ATmega168.

atmegabreadboard

lisp-badge-le

A self-contained low-power computer with its own display and keyboard that you can program in Lisp.

Displays a list of the voltages and currents available from a USB-C power adapter and allows you to select one.

power-deliverer

ATtiny85-based watch showing the time on 12 LEDs.

tiny-time-watch

A GIF image decoder designed to allow GIF images to be read and displayed by a small microcontroller.

minimal-gif-decoder

A USB-stick sized UPDI programmer

updi-programmer-stick

ulisp-msp430

A version of the Lisp programming language for MSP430-based LaunchPad boards

Provides a selection of 12 logic gates that you can interconnect with patch cables to make a variety of different logic circuits.

logic-lab

tiny-time-2-watch

A watch based on an ATtiny85 and a DS2417 RTC showing the time on 12 LEDs.

A simple handheld electronic game based on an ATtiny85.

gamebone

An Arduino core for the Serpente ARM boards

serpente-core

ulisp-tdeck

A version of uLisp to convert the LilyGO T-Deck into a self-contained handheld Lisp computer.

A simple DataFlash library for sequential reading and writing.

simple-dataflash

A self-contained tool for experimenting with the configurable op amps in the AVR DB-series.

op-amp-lab

A watch based on an ATtiny85 and a DS2417 RTC, showing the time analogue-style on a 64x48 OLED display.

tiny-face-watch

Eagle

ir-remote-wand

A simple universal remote control based on an ATtiny85.

A version of the Lisp programming language for Serpente ARM boards

ulisp-serpente

A 4 x 4 matrix of illuminated pushbuttons with a two-wire I2C interface.

illuminated-button-matrix

A low-power LCD clock based on an AVR128DA48.

lcd-clock

A version of the Lisp programming language for ESP32-based boards

ulisp-esp32

A query language and ATtiny database written in uLisp.

query-language

An SD-card module that allows you to write to and read from files on an SD card using I2C.

i2c-sd-card-module

An eight-character alphanumeric LED display with an I2C interface.

alphanumeric-display

A machine-code monitor that you program from a hexadecimal keypad using a simplified instruction set called MINIL.

tiny-machine-code-monitor

A watch based on an ATtiny414 showing the time on 12 LEDs.

mega-tiny-time-watch

A thermometer based on an ATtiny10 that displays the temperature on an LED.

attiny10-thermometer

A star-shaped pendant that you can program in Lisp

lisp-star

ulisp-wio-terminal

A secret maze game for the ATtiny85

secret-maze

A small arbitrary precision extension for uLisp, for calculating with large integers.

ulisp-bignums

Press the buttons to light up all the LEDs

five-leds-puzzle

A miniature pendant based on the ATtiny10.

attiny10-pov-pendant

A watch based on an ATtiny85 using 12 APA102 RGB LEDs, arranged like a clock face, to show the time analogue-style.

tiny-colour-watch

A pendant that transmits a secret message in morse code by flashing an LED.

morse-pendant

A star-shaped pendant with six coloured LEDs that twinkle in a random pattern.

twinkling-pendant

ulisp-library

A Lisp program for identifying I2C devices on the bus

ulisp-i2c-detective

An extension for uLisp to drive NeoPixel LED displays from a variety of different platforms.

ulisp-neopixels

A handheld game that displays logic mazes you have to solve by pressing the buttons.

number-maze-game

i2c-gps-module

A programmable signal generator capable of generating a square wave from 1kHz to 68MHz.

signal-generator

Test version of uLisp with interrupt handling

ulisp-avr-interrupts

A puzzle based on an ATtiny204 in which you have to press the right buttons to light up all the LEDs.

16-leds-puzzle