Circuit Projects – surfncircuits

Category: Circuit Projects

5 Posts

3D design, Circuit Projects, Espresso, Nixie Tubes, Raspberry Pi Projects

An Espresso Maker That Knows When You Want Some

September 3, 2021 — 10 Comments

Circuit Projects, Kook Hack, Nixie Tubes, Raspberry Pi Projects

Help Design A Linear Nixie Tube HAT for the Raspberry Pi (Part 1)

February 16, 2019 — 1 Comment

Circuit Projects, Circuits, Kook Hack

Optimizing the 5v to 170v Nixie Tube Power Supply Design (Part 2)

February 3, 2018 — 19 Comments

Circuit Projects, Kook Hack

Designing a Small Footprint, Low Profile 5v to 170v Nixie Tube Power Supply (Part 1)

January 1, 2018 — 21 Comments

Circuit Projects

Cell Phone Charging Hack with Household Batteries

March 18, 2017 — 3 Comments

John V Hite on AC Current Limiter for Safer Electronic RepairsSeptember 10, 2023
This circuit works well in a steady state condition but the inrush current will be much higher as a cold…
Mark Smith on Simplifying WiFi connections for Raspberry Pi Zero W ProjectsSeptember 3, 2023
Hi, The raspberry pi imager software only allows you to choose the .local name (i.e. headlesswifi.local) and not a static…
Anonymous on Simplifying WiFi connections for Raspberry Pi Zero W ProjectsSeptember 1, 2023
How can we modify it so that it works with a static IP too. I tried the dhcpcd.conf method, but…
Paul on Optimizing the 5v to 170v Nixie Tube Power Supply Design (Part 2)July 26, 2023
Thank you for pointing to the Epcos inductor (flat-wire). Compared to other round wire inductors you will see > 5%…
Mark Smith on 5v to 170v USB input Nixie Power SupplyJune 14, 2023
Hi Dan, Thanks for question. when using 12v to power the converter, You don’t need any conversion circuit on the…

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