| Discussion Title | Created date |
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How to simulate humans capacitance in touch button? Good day, I am using MTCH101 and touch button. If humans hands touching the wire, capacitance changes and the chip sends HIGH or LOW level signal. Is it... |
Monday, 24 September 2018 - 20:37 |
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Charger to MCU? Changing from 5 - 2.5V to 5V - 0V? Hi, I got the problem, I want to connect my charger to microcontroller to see if battery is fully charger. I created some schematic. CHRG pin is high impedance of 0V (GND... |
Sunday, 6 November 2016 - 22:48 |
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ADC reading signal from audio out Good day, I am trying to read sinus signal with adc from audio out. If I connect ground to ground and signal to adc I am not able to read negative values. Is there... |
Tuesday, 31 May 2016 - 20:28 |
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FATFS writing file problem Good day, I have some problem: For example, I am reading and writing some data to file. But if I will not use function f_close(); my filesize will be 0. Is it possible to do... |
Saturday, 21 March 2015 - 17:17 |
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Connecting microSD card to 2 microcontrollers. Good day, Is is possible to make circuit, which will share microSD card with 2 master devices. 1. I mean I connect microSD card to device number 1. 2. I use that... |
Sunday, 25 January 2015 - 18:00 |
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Logic converter 1.8V->3.3V, 3.3V->1.8V Good day, I figured out that my module uses 1.8V USART, and my microcontroller uses 3.3V. I need help to convert those RX and TX signals forward and backward.... |
Sunday, 11 January 2015 - 11:50 |
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FATFS chan library wrong free space Good day everyone, I tried to use Chan's FatFS library for a while, it works fine, But I found some problems here. If I read free space in my MicroSD card, it... |
Thursday, 16 October 2014 - 16:43 |
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Enabling MCU from microphone Good day everyone! I have some question. I need to activate micro controller from microphone, by putting 3V3 from wake up pin. I need to use low power as much as possible |
Tuesday, 26 August 2014 - 17:43 |
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Connecting microphone to microcontroller's ADC Good day, Have anybody tried to connect microphone to ADC. My friend gived me this one for free: http://www.knowles.com/search/pr... Actually it should have amplifier inside... |
Wednesday, 5 February 2014 - 12:44 |
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Battery charger from USB Good day, What I want is to make some battery charging (Single Li-Ion 3.7 Volts battery) and control it with MCU( does not matter which for now). Questions: 1. I found some cheap... |
Thursday, 30 January 2014 - 19:52 |
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About ov7670 camera sensor Hello, I am trying to play with that sensor. It uses i2c or so called sccb bus. I was able to use i2c in many other sensors like accel, gyro and everything worked fine for me. But... |
Thursday, 9 February 2012 - 13:51 |
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Problem with turnigy motor controller Hello, I am using atmega16 for some test of my motor. I bought the motor and turnigy plush 12a esc for making a quadrocopter. I just want to test the motor, but I do not know how... |
Tuesday, 6 December 2011 - 08:12 |