Archive for the ‘Measurement, environment’ Category:

2017-08-19 Emitter Base Breakdown Can Damage Transistor 

Joule Thief SMPS DC-DC Measurement, environment Transistors Uncategorized
on August 19th, 2017 by - 2 Comments

From YT reply to Neilgn  2017-08-20 Take any NPN transistor and measure the gain, and write it down.  Then put a 1k resistor in series with the transistor’s emitter and connect the emitter to positive and base to negative of a power supply.  Adjust the voltage until 2 or 3 volts are across the 1k

(Read More…)

2016-03-22 Thermo- and Barometer, Arduino Nano

Measurement, environment
on March 22nd, 2016 by - No Comments

My blog was down for a few days. The hosting svc had to consolidate its IP blocks and give some back to the RAR, so my rustybolt.info was pointing to the wrong IP. I was looking out the patio door at the radiometer on the table outside, watching it spinning like crazy in the really

(Read More…)

© RustyBolt.Info/wordpress
CyberChimps