RD6006 Digital Control Switch Adjustable Power Supply starts from just $57

RD6006 Digital Control Switch Adjustable Power Supply starts from just $57

The good life, they say, sometimes does not cost a fortune, with the new RD6006 from Ruideng, you can precisely program the...


M5StickC PLUS ESP32-PICO Mini IoT Development Kit

M5StickC PLUS ESP32-PICO Mini IoT Development Kit

New M5StickC PLUS, one of the core devices in the M5Stack series, is a mini IoT development board powered by ESP32-PICO-D4 with...


12W Dimmer with Soft Start for 12V LEDs

12W Dimmer with Soft Start for 12V LEDs

The circuit presented here is a LED dimmer with a soft-start function.


Components by mixos
Reboot-o-matic is an  Automatic power-cycling microcontroller and a DC power interrupting watchdog

Reboot-o-matic is an Automatic power-cycling microcontroller and a DC power interrupting watchdog

Nick Sayer has posted on Hackaday his recent project, the Reboot-o-matic, which is a Automatic power-cycling microcontroller.


Tiny ObsidianBoa Dev Board Features Espressif Systems’ ESP32-S2 Board

Tiny ObsidianBoa Dev Board Features Espressif Systems’ ESP32-S2 Board

Greg Davill has posted on GitHub an Espressif Systems ESP32 based development board called the ObsidianBoa.


New Ring Coil Tester Provides Large and Super Large Capacitance Testing to 640 mF

New Ring Coil Tester Provides Large and Super Large Capacitance Testing to 640 mF

New Generation Ring Coil Tester: LCR-Reader-MPA with Coil Test Unit A Popular All-in-one Digital Multimeter from Siborg now has...


Beelink Gemini M; Ultra-Thin Mini PC Based on Intel GLK-R Processor

Beelink Gemini M; Ultra-Thin Mini PC Based on Intel GLK-R Processor

Shenzhen based computer hardware manufacturer, Beelink, recently teased the release of a series of new Mini PCs top of which was...


microUPDI – Pro-Micro Based UPDI Programmer

microUPDI – Pro-Micro Based UPDI Programmer

Thanks to the increased popularity of the recent ATtiny series of microcontrollers, there has been an increase in the number of...


Audio VU/Sound Level Meter with LM339

Audio VU/Sound Level Meter with LM339

This is an “Audio VU Meter” or “Sound Level Meter”, it is a general-purpose bar-graph Audio VU meter designed for fun projects.


Audio Components by mixos
Flash an LED from AC-mains power

Flash an LED from AC-mains power

LED technology is opening the door to a variety of high-power-illumination applications.


A Touchscreen Reflow Oven Controller Using an Arduino Pro Mini

A Touchscreen Reflow Oven Controller Using an Arduino Pro Mini

We have seen people make many simple reflow ovens, comprising of an old toaster oven, a Solid State Relay (SSR), a thermocouple,...


DIY Arduino Nano HV UPDI Programmer

DIY Arduino Nano HV UPDI Programmer

In May, Arduino released a guide on how you can create a UPDI programmer for under $10.