This DIY 300B triode amplifier project was completed by Stamou Tasos who is from Greece. As a thank you for the 300B amplifier schematics, Stamou has shared with us his implementation of the 300B single-ended (SE) tube amplifier schematic by J.C. Morrison. I have assisted by translating, fromating and presenting his DIY 300B triode amplifier […]
DIY 300B Single-Ended-Triode (SET) Hi-Fi Amplifier Continue Reading
13th November 2018 – FTDI Chip has introduced the USB power delivery technology necessary to go beyond the powering of consumer electronics products and support the elevated current levels required by larger items of electronic equipment. The FT4233H is an advanced bridge IC with USB Type-C connectivity and USB power delivery (PD) Rev. 3.0 controller
USB Type-C/PD Controller IC Enables 3A Current Delivery Continue Reading
After my first post using a Bluetooth module, things have evolved a bit. The challenge with these Bluetooth modules is: they look the same, but having different firmware. I did not fully realize that until I have ordered another bluetooth module from dx.com: That module comes already on a carrier, so I assumed I can use the
Using the HC-06 Bluetooth Module Continue Reading
Description I always wanted a spot welder, so I decided to built one. I wanted to build a capacitance discharge one but I couldnt afford for the capacitors at this time. So this is a controller for a dual pulse spot welder with some few extras: – It has a zero cross detector. You could power
MCU Controlled Spot Welder Continue Reading
We purchased one of these very cheap, very cool 84×84 LCD backlit screens off of eBay a couple of weeks ago. It’s a very nice product for adding visual elements to your projects at a very low price. We paid £3.89 for the screen and it was delivered a few days later. Take a look
Getting your Nokia 5110 LCD up and running on an Arduino Continue Reading
Three open-spec SBCs have been launched on Indiegogo. They are the RK3399-based Khadas Edge SBC, a new Edge-1S model that uses the AI-enhanced RK3399Pro SoC and an Edge-V model that replaces the Edge’s MXM3 connector with 40-pin GPIO and adds MIPI-DSI and -CSI. Shenzhen Wesion’s Khadas project exhibited the Khadas Edge SBC in July, which
Three RK3399 open-spec SBCs launched including AI capability Model Continue Reading
Most IT companies participate in the race to grab people’s wrist. A smart watch becomes the most significant item in a wearable device category. You can easily find this mood in this link, there are tons of smart watches. But here is a simple way to evaluate smart watch’s future on your own. Make it!
Make your own smart watch Continue Reading
The 3DoT Board designed by Humans for Robots is now available to purchase from the Crowd Supply website offering an easy platform to build your perfect robot. Prices start from $49 and orders placed now will be start shipping during November 2020, free shipping is available throughout the United States and worldwide shipping is available
3DoT Board makes building robots easy Continue Reading
Traditionally, the useless machine is a simple one that invites passersby to switch it on. When they do, the machine somehow, some way, turns itself off; usually with a finger or finger-like object that comes out from the box in what feels like an annoyed fashion. Honestly, that’s probably part of what drives people to
FINALLY, A DIFFERENTLY USELESS MACHINE Continue Reading
A Super Nintendo that has trouble showing sprites doesn’t make for a very good game system. As it turns out, Super Mario World is a lot less fun when the titular hero is invisible. So it’s no surprise that [jwotto] ended up tossing this partially functional SNES into the parts bin a few years back. But he
CONTROLLING A BROKEN SUPER NINTENDO WITH MIDI Continue Reading
