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Lauri Pirttiaho

HW and SW hacker and ham since 80's. All-a-rounder from analog and digital electronics to programming everything programmable.

Oulu, Finland
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lauri-pirttiaho

This user joined on 05/26/2021.

Things I've Built

Central Heating Monitoring System

4-channel measurement system for central heating system. 4xPIC16F819 + PIC18F258, 6 NTC sensors, 4 ultrasonic flow meters, large 2x16 LCD, 2-button interface. I2C-data output.

Curtain-Shutter Meter

Device for measuring the speeds of camera shutter curtains for exposure time and balancing a mechanical shutter. The jig shown is for Nikonos IV-A shutter. PIC16F84, 1x16 LCD, two-button menu interface, two optical gates. Programmed in assembly.

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