LC-04 4 Channel Logic Converter 3.3V – 5.0V
ArduinoBasic ElectronicsMiscellaneous

LC-04 4 Channel Logic Converter 3.3V – 5.0V

If you have ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The LC-04 bi-directional logic level converter is a small device that safely steps down 5V signal to 3.3V and steps up 3.3V to 5V at the same time. In this instructable, mybotic explained...

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Using OV7670 Camera Sensor With Arduino
ArduinoSensor

Using OV7670 Camera Sensor With Arduino

Developing a hardware project became much easier thanks to the growing number of the various sensors and actuators modules, which give you the ability to shift your ideas into a wider range of applications. This tutorial presents the steps of how to use OV7670 Camera Sensor Module STM32...

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A $20 Heart Rate Module For Health-Tech Projects
ArduinoSensor

A $20 Heart Rate Module For Health-Tech Projects

Heart rate monitoring is a common procedure for most of health related projects. Therefore, producing sensors modules and circuit boards for such tasks will facilitate and push forward the development of new health-tech projects. Maxim Integrated, an analog and mixed-signal integrated...

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Reverse engineering a server CPU voltage regulator module
Power

Reverse engineering a server CPU voltage regulator module

Andy Brown wrote a detailed article on reverse engineering a CPU voltage regulator: A recent ebay fishing expedition yielded an interesting little part for the very reasonable sum of about five pounds. It’s a voltage regulator module from a Dell PowerEdge 6650 Xeon server. I...

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RTL8710 Is a New ESP8266 Competitor
AudioHardwareParts

RTL8710 Is a New ESP8266 Competitor

In the last two years, ESP8266 was the Wifi Chip/Module which dominated the market of hobbyists, even a lot of commercial products use ESP8266, due to the low price, ease of use and large community around ESP8266. RTL8710 is a Wifi network solution from the Taiwanese Company...

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HC-12 433MHz wireless serial communication module configuration
Mcu

HC-12 433MHz wireless serial communication module configuration

Dziku show us how to configure HC-12 wireless module using AT commands. HC-12 are cheap 433MHz wireless serial port communication modules with a range up to 1800m in open space. Each costs about $5 when bought from China, and 2 of them can create wireless UART link that can be used,...

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Raspberry Pi Wifi module without USB
Raspberry Pi

Raspberry Pi Wifi module without USB

This board will let you add WiFi functionality to your Raspberry Pi Zero without having to sacrifice the only available high speed USB port. The board is based on ESP8266 Wifi module. WiFi on a Raspberry Pi using the HAT connector and an ESP8266. The goal of this project is to add...

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1.3V – 15.5V @ 2 Amps Power Supply
Power supply

1.3V – 15.5V @ 2 Amps Power Supply

Here is a low cost and easy to build power supply based on a some Chinese DC-DC converter modules: This is a small size power supply with low cost and easy to make that only taking about 5 more hours. I was very happy with it and would share with you. Power Supply...

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