David Johnson-Davies
David Johnson-Davies
frequency-probe
A handheld tool that gives a visual indication of the frequency or voltage at the probe.
lisp-badge
A handheld computer programmed in Lisp with a self-contained keyboard and display.
lisp-riscv-assembler
A RISC-V assembler written in Lisp.
tiny-i2c
Minimal I2C master routines for all AVR microcontrollers.
ulisp
A version of the Lisp programming language for ATmega-based Arduino boards.
ulisp-arm
A version of the Lisp programming language for ARM-based boards.
ulisp-esp
A version of the Lisp programming language for ESP8266 and ESP32-based boards.
tiny-lisp-computer
A self-contained computer with its own display and keyboard, based on an ATmega328 or ATmega1284, that you can program in Lisp.
compact-tft-graphics-library
A graphics library using SPI that supports a variety of different colour TFT displays.