Projects
- Online design aids and calculators
- Design aid for MC34063A switcher chip
- Design aid for audio amplifiers
- Transformerless power supply calculator
- LM3404 constant current LED driver component calculator
- Design tool for LM2576 component calculation
- LM317 resistor value calculation
- Retro computing
- Single chip 80x30 VT100 emulator
- Z-One CP/M machine with SD card storage and integrated ChibiTerm terminal
- Z-Two, a CP/M machine with Z80 emulated on ATMega
- Progamming tool for 28C16 EEPROM (2716 replacement)
- Progamming tool for 28C256 EEPROM
- BASIC-52 projects
- How to program the BASIC-52 chip?
- HTML version of BASIC-52 reference manual
- copy of original BASIC-52 manual in PDF format, by andy-s@arcor.de
- Other HTML manuals for BASIC
- MS-WORD version of BASIC-52
reference manual (submitted by anonymous person
from Belgium)
- My first 8052 BASIC project page, with IDE interface
- Take a sneak peek at my second 8052-BASIC project - with ISA bus
- A much improved design of 8052-BASIC controller core with fully configured memory
- Using DS1302 timekeeper chip with BASIC-52 (Temperature logger)
- Using DS1621 temperature sensor chip with BASIC-52 (Temperature logger)
- Using ADS1286 12-bit ADC with BASIC-52
- Cheap R2R DAC for BASIC-52 with performance analysis
- Using RF modules for wireless communication with BASIC-52
- Sinewave generator with AD9835 DDS, driven by BASIC-52
- Atmel AVR projects
- AVR programmer/ISP downloader/debug interface
- AVR micro as car battery monitor
- Infrared repeater
- Simple AVR programmer
- DTMF driven rebooter
- Program Microchip 25LCxxx EEPROMS with USBtinyISP
- RTTTL ringtone playback on AVR
- Using DL2416 intelligent 16-segment led displays with AVR
- Radio receiver with RDS decoding using Si4703 breakout module
- Using DS1302 with AVR micro
- AVR based audio playing doorbell
- USBtinyISP attached EPROM programmer
- Simple RS-232 to RS-485 converter with automatic driver control
- Simple serial terminal for development and debugging
- AD9850 based RF generator with AM and FM modulation and frequency sweep function
- ATtiny45/85 based temperature dependent PWM fan controller
- Battery powered automatic pet feeder with programmable schedule
- Rigol DS1054Z fan update with temperature dependent speed control
- Reflow soldering oven project
- Various electronics projects
- ISAPIC, an untested idea of how to interface any microcontroller to ISA bus using 6 common TTL chips
- Digital audio setup on a cheap side
- Balanced microphone preamp with phantom power
- 2nd version of balanced microphone preamp with 12V power supply
- Cheap and easy ways to reduce your PC noise level
- 555 timer based PWM controller for DC motors and fans
- DIY Nokia 51xx/61xx data cable
- Hacking Garmin eTrex (car power supplies)
- Small solar power supply with battery backup
- DS1620 programming tool
- X-10 filter
- DSC PK5500 keypad fix
- Super simple FM band antenna
- NIKKO NR-519 restoration project
- Build a sensibly priced Geiger counter radiation meter from a kit
- Small servo motor use and hacking
- EPIC Plus PIC programmer circuit diagram
- 555 timer based boost converter with adjustable output voltage
Just stuff
- Allocation of radio frequencies in Estonia (in Estonian)
- Allocation of broadcast FM band across Estonia (in Estonian)
- Local copy of David Tait's PIC archive before he removed it.
- X10 FAQ
- Frequently asked questions on elecrical wiring (quite dated, US based)
- ePanorama - a definitive electronics source
Copyright © Madis Kaal 2000-