Bargraph Voltmeter 0-5V DC range – PIC16F686
Test/Measurements

Bargraph Voltmeter 0-5V DC range – PIC16F686

Tiny Bar-Graph displays provide a Red color bright, easy to read display of Voltage range of 0 to 5V. This Bar-Graph has 20 segments in single color and display 0 to 5V DC. The Barograph Voltage monitor is based on PIC microcontroller with 10 Bit resolution ADC. This high performance...

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Schematic, Mask, and Die Shot of Intel’s 4004 CPU from 1971
IC

Schematic, Mask, and Die Shot of Intel’s 4004 CPU from 1971

Celebrating its 45th anniversary, adafruit stumbled upon these high-resolution images of Intel’s 1971-released 4004 CPU. Click any of the below images to view them at their maximum scale on the MIT domain: Schematic, Mask, and Die Shot of Intel’s 4004 CPU from 1971 -...

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1000 steps Servo motor
Motor

1000 steps Servo motor

TheSuperSewcio @ instructables.com shows us how to control a servo motor in high precision using Arduino: In many project like CNC machines people use stepper motors. They are probably always more expensive than servos. They can rotate 360°, 1 step = 1,8° (mostly). Servos can...

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ESP8266 RGB Color Picker
Led

ESP8266 RGB Color Picker

In this project, you’re going to build a web server with an ESP8266 to remotely control an RGB LED. This project is called ESP8266 RGB Color Picker. ESP8266 RGB Color Picker -...

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Running NodeMCU on a battery
Mcu

Running NodeMCU on a battery

ESP8266 low power consumption revisited: Using Wi-Fi is a convenient way to link your newly created IoT device into your existing IT infrastructure – including cloud services – but it also has a drawback. Wi-Fi’s demand for power usually makes battery operation impractical...

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384:LED – Mini RGB LED array
Led

384:LED – Mini RGB LED array

Mini (1.44'' x 0.94'' or 24mm x 37mm) 8X16 RGB LED Array. 128 RGB LEDs with three LED chip each gives 384. For this project I designed two PCBs. A control PCB and a LED PCB. My goal was to fit them both in a small panel inside a 5x5 cm square to use cheap Chinese Manufacturing...

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Oscilloscope Vertical Position and Offset explained
Youtube

Oscilloscope Vertical Position and Offset explained

This video describes the function of the vertical position and vertical offset controls of a modern digital oscilloscope. It shows how using the offset control can provide valuable visibility of the DC bias and small signal waveform simultaneously, which can be very valuable in many...

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Piggybacking OLED display on WeMos D1 Mini
Mcu

Piggybacking OLED display on WeMos D1 Mini

Daniel Eichhorn build a mini OLED display weather widget using WeMos D1 Mini board. Inspired by Mike Rankin’s (@mikerankin) beautiful crossovers between an ESP8266 ESP-01 and an 0.96 Inch OLED I2C display I decided to try if there wasn’t an easy hack to marry the two components...

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