Recent Projects

Build this 2 digit thermistor and display the temperature up to 99 Celsius. Very accurate and fast. Free tutorial and hex file with fee

Need a couple of GPIO lines but you just have a UART?

Mistreating an LM3909 and a 7473 to test diodes - a recreation of a 40 year old device.

Building bio inspired realistic looking humanoid robots to do chores and sports and stuff.

Alternative to ComfoSense and ComfoConnect Lan, much cheaper and more user friendly

One would think that two Type 30 Display Reproductions would be enough for one man. Wrong. One last kick at the can.

My idea is to build a small solar panel using 24 power transistors in a TO3 package.

No one expects the bifocal prism.

Some home computers used to have RF video output. The P2 could bring that back with ATSC HDTV output.

Phototransistor → particle detector. Red laser glows particles in 3d printed enclosed chamber in turn calculating particulate matter

6 Unbuffered CMOS inverters are connected in unacceptable ways to create a stable sinusoidal oscillator

Quite possibly an over-engineered clock

A dual-screen, ESP32 powered ereader: Own your device, own your books

Your pictures don’t just sit there anymore — they speak. Add short captions to your family album, and turn them into natural voice

Surprisingly good 1 bit PCM audio at an absurdly low samplerate. 1 Bit audio not at millions, but as little as 15,926 samples a second!

Featuring a ZnSe beam splitter and a pyroelectric detector, the FTIR spectrometer ensures precise molecular analysis with reliability