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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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Solar Powered WiFi Weather Station V2.0
iSpndel_4.0
400 Watts Stereo Audio Amplifier Board DIY 2SC5200+2SA1943
Tad Boy Color
Arduino RC engine sound & light controller with inertia simulation for ESP32
SummerCart64 - a fully open source N64 flashcart
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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IntroductionThe electrocardiogram is a surface measurement that captures the electrical potential created by the electrical activity in the cardiac tissue. This flow of electrical current, carrie...
Oscilloscope Electrocardiogram Board
553
0
0
Simon Mugo
Simon Mugo
KENYA
15
0
A VU meter, also known as a Volume Unit meter, is a device used to display the audio signal level in decibels (dB) in real-time. It is commonly found on audio equipment to help users monitor and contr...
Retro look Analog style VU meter on VFD display with Arduino Nano
930
0
2
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
81
0
Introduction433MHz radio frequency transmitter modules are widely used in various wireless applications and devices. The bulk of RF transmitter and receiver modules have a typical coverage reach of le...
433 MHz Radio Frequency Transmitter Extender/ Amplifier Module
1453
0
1
Simon Mugo
Simon Mugo
KENYA
15
0
IntroductionUsing a Radio Frequency receiver circuit is one of the easiest ways to have a one-way communication between two devices. The radio frequency has a corresponding range that ranges from 30 k...
433 MHz Radio Frequency Receiver Module
981
0
0
Simon Mugo
Simon Mugo
KENYA
15
0
IntroductionThe Infrared (IR) Remote Control Switch Circuit offers a cost-effective solution for managing household appliances in our fast-paced lives. Consequently, there is significant emphasis on t...
Infrared Remote-Controlled Module for Home Appliances
613
0
0
Simon Mugo
Simon Mugo
KENYA
15
0
Lightning detectors are devices designed to detect the presence of lightning strikes. These detectors utilize various technologies to sense the electromagnetic signals like detecting of Radio Fr...
Advanced Sensitive Lightning detector with PC Graph
719
0
0
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
81
0
This is a replacement for the A21 Voltage Controlled Oscillator board mounted to the acquisition board in Tektronix TDS500 series oscilloscopes. (It may be used in other scopes such as the TDS600 seri...
Tektronix TDS500 Oscilloscope A21 VCO Board
925
0
1
Jared NearFarMedia
Jared NearFarMedia
JAPAN
15
43
PEMF therapy, or Pulsed Electromagnetic Field therapy, is a type of therapy that uses electromagnetic fields to promote health and well-being. PEMF therapy is based on the idea that electr...
How to make Multichannel PEMF Therapy device for PEMF Bed
1245
0
0
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
81
0
IntroductionThe NE5532 is a widely used operational amplifier (op-amp), carefully designed for applications requiring excellent audio performance. This IC is frequently used in various audio equipment...
Voice Level Meter Board
760
0
0
Simon Mugo
Simon Mugo
KENYA
15
0
IntroductionThe LM393 op-amp, a precision advancement in signal processing, amplifies, compares, and fine-tunes signals with remarkable accuracy. Its versatile nature as a differential amplifier accep...
Arduino LM393 Sound Detection Sensor Board
1569
0
0
Simon Mugo
Simon Mugo
KENYA
15
0
Airspeed_SensorBoard STM32F030F4P6TR Features• Core: Arm® 32-bit Cortex®-M0 CPU, frequencyup to 48 MHz• Memories– 16 to 256 Kbytes of Flash memory– 4 to 32 Kbytes of SRAM with HW parit...
Airspeed_SensorBoard
540
0
0
Beytullah Gültepe
Beytullah Gültepe
TURKEY
37
0
In this project I will present you a Very Simple "Beat Frequency Oscillator" type of Metal Detector. BFO metal detectors are relatively simple and inexpensive compared to other types of me...
Simple Sensitive 3 Transistors BFO Metal Detector
893
0
0
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
81
0
Colloidal silver is a suspension of tiny silver particles in a liquid medium, usually water. It has been used for various medicinal and health purposes for centuries, dating back to ancien...
How to make Simplest Colloidal Silver Generator
1344
1
0
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
81
0
Inspired by projects from c0pperdragon, mbarszcz-pcb, tebl and VGP.It fits the commodore MAX MACHINE and replaces the RF modulator with a S-VIDEO port.Based on THS7316 (or THS7314), the PCB provides a...
Commodore MAX Machine RF modulator replacement S-VIDEO bypass
1469
7
4
Edoardo kinmami
Edoardo kinmami
JAPAN
245
15
These days I got this small radio receiver from the brand XHDATA model D-368 and I decided to look at it in a little more detail outside as well as inside and write this short review. My radio a...
XHDATA D-368 Radio short review
1008
0
0
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
81
0
This is 4 of 4 PCB's designed and built by Paul Versteeg, Bud Bennet and Mark Allie. The original design is all from Paul Versteeg. The curve tracer is described in more detail than humans should be a...
Curve Tracer Rev 3 (4 of 4)
629
0
0
Mark Allie
Mark Allie
UNITED STATES OF AMERICA
3
0
1
...
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