VoltLog #9 – InTheMail HP 3478A, Probe Master 8028S, Anker Astro E3, Seagate Expansion 2TB

In this InTheMail segment I receive the HP 3478A 5.5 digit multimeter, a Probe Master 8028s test lead set, the Anker Astro E3 10000mAh portable battery charger and the Seagate Expansion 2TB external storage hard drive.

VoltLog #8 – Kit Assembly 0-30V 0-3A Adjustable Linear Power Supply

In this video I am assembling a 0-30V 0-3A Adjustable Linear Power Supply kit. Will it work at first power on? Or will Murphy get me this time? Watch the video and see how I got myself into trouble. I also reverse engineered and got a schematic of this kit which I am showing towards the end of the video.

VoltLog #4 In The Mail – ESP8266 Edison Light Bulb WS2812 TL081 HP E3611A

In this video I’m opening up my mail items on camera. I have the ESP8266 EVB from Olimex, an Edison vintage light bulb from ebay, WS2812 led pcb strip, LCD FPC various pitch breakout pcb, TL081 JFET opamp, breadboard jumper wire kit and the HP E3611A power supply.