Circuits & Schematics: Arduino - 3

21. Self-Calibrating USB Voltage/Current Meter
    Circuits Measurement Microcontrollers Usage Microchip ATtiny13A
    Tirdad Sadri Nejad Hackster.io With a code size of 1 KB on an ATtiny13A MCU, this tiny module measures voltages up to 22 volts and current up to 5 amps. There are a lot of so-called USB doctor modules which are used for monitoring currents flowing ...
    26-03-2020

22. How to Read Measurement Data of a Dial Indicator and Send This Data to a Personal Computer (PC)
    Circuits Arduino Analogue Design Measurement Texas Instruments LM339-N
    .. are shown in Figures 6,7,8. PCB shown in the Figure 9. Figure 6. Analog part of the project. Figure 7. Microprocessor Arduino Nano. Figure 8. Project Power Supply. Figure 9. Project PCB (top layer is green, bottom is red). Gerber ...
    25-07-2019

23. Stand-alone Inductance Meter on PIC16F1936
    Circuits Measurement Microchip PIC16F1936 Atmega328
    .. Fässler soldernerd.com Some of you may have seen my arduino-based inductance meter in the article [1]. The arduino-based meter works well and made a great ...
    21-08-2018
24. Controller for automatic lighting of the working area in the kitchen. NodeMCU Version - OTA update
    Circuits Automation Wireless Light Arduino ESP8266 PCA9685 DS18B20
    .. Radiolocman has published a description of two devices for for automatic lighting of the working area in the kitchen: Arduino version and NodeMCU version . The latter, despite several disadvantages, which I will report at the end of ...
    23-01-2018
25. Hex-Switch Decoder Uses Weighted-Capacitor Network to Reduce I/O Pin Count
    Circuits Arduino Microcontrollers Usage Texas Instruments CD40106B
    .. using this simple capacitor-network circuit and software, designs using the Arduino Uno need only two I/O pins to read a hex-switch decoder, leaving the remaining pins for other functions. A ...
    12-10-2017
26. Controller for automatic lighting of the working area in the kitchen. Part 2 - NodeMCU Version. Schematic, PCB, Sketch
    Circuits Automation Wireless Microcontrollers Usage Light Arduino
    .. 1 - Arduino Version. Schematic, Sketch and PCB General information Schematic diagram Printed Circuit Board (PCB) ...
    14-06-2017
27. Color sensor achieves high dynamic range with auto exposure
    Circuits Measurement MCU Open-Source Platforms Light Arduino Hamamatsu S9032
    .. U3A, which strobes the sample-and-hold amplifiers, U4. Figure 2. The held voltages RH, GH, and BH are then converted by the Arduino Nano for further processing. Analog-to-digital conversion could be accomplished by the µC without U4, ...
    09-06-2017
28. Controller for automatic lighting of the working area in the kitchen. Part 1 - Arduino Version. Schematic, Sketch and PCB
    Circuits Automation Wireless Microcontrollers Usage Light Arduino
    .. in the room (and its sudden change) and the presence of human movement. The first version of the device is made on the Arduino Nano, it operates fully automatically and does not require any action from the user (Figure 2). The second ...
    15-03-2017
29. 3 pins, 3 LEDs, 3 buttons
    Circuits Microcontrollers Usage
    .. four switches and two LEDs, or five LEDs and one switch. It works well with Atmel ATmega microcontrollers including the Arduino, and could be of particular interest for any eight-pin devices, or when you’ve simply run out of I/O. ...
    19-01-2017
30. Arduino-based Inductance Meter
    Circuits Arduino Measurement MCU Open-Source Platforms Arduino
    .. just finished a little Arduino project. It’s a shield for the Arduino Uno that lets you measure inductance. This is a functionality ...
    11-08-2016

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