Questions tagged [msp430]
The MSP430 is a Texas Instruments low-power microcontroller family.
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MSP430 programming JTAG
For programming MSP430 MCUs through JTAG, is this Schematic correct? I look for a reference design to make sure it will work:
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Vcc for MSP430FR6047 with a battery- Ultra-Low-Power system
I want to design an Ultra low Power device with MSP430FR6047, which can work over 10 years.
For the supply power of MSP430FR6047 in the datasheet it is mentioned that the voltage on the supply pin ...
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MSP430FR6047 power supply- bypass capacitors
I'm working on MSP430FR6047 and I cam across a reference design from Texas instrument. In one of the supply pins they have use an 600 Ohm resistor as follows: Does any one know why? and what is the ...
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MSP430FR6989 ADC Voltmeter
I am working on a project that converts a ADC signal to display a voltage on my BoosterPack Mk II. My code is working however I would like to display decimal places of the voltage it is reading. Any ...
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Communication Issue with TCA9539 on MSP430FR4132
I am trying to communicate with the TCA9539 using my MSP430FR4132, but I'm encountering issues setting the registers using I2C. I've connected pull-up resistors (10kΩ) to both the SCL and SDA lines. ...
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LCD 16x2 not taking commands from MSP430FR2355
I have been facing this issue for about a week, and after hours of trying to debug it, I was hoping I could find some help here. I have been trying to use an LCD 16x2 screen (unaware of the exact ...
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What technology to use with multiple embedded systems talking to each other?
I am planning on building a system with one master and multiple slaves using MSP430 microcontrollers. The microcontrollers must talk with each other with serial interface using RS-485. I now need to ...
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Digital I/O using the MSP-EXP430FR6989
The problem I am trying to solve is: Write a program which controls 8 LEDs connected to Port 2 of the MSP430.
A momentary switch (push button) should be connected to Port 1.5
When the button is ...
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Digital I/O: MSP430
My question is: Write a program which controls 8 LEDs connected to Port 2 of the MSP430.
A momentary switch (push button) should be connected to Port 1.5
When the button is pressed, the LEDs should ...
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Dual power input
I'm reviewing this Dual power system.
Why do systems need dual power inputs ?`
Are the inputs pulled to system simultaneously, or is it one at a time?
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H-bridge 12V DC to 12VAC squarewave output
I am trying to convert DC to AC, in this case, 12VDC to 12VAC at 50Hz. I am using MSP430G2553 TI microcontroller to create Mosfet gate pulse. Mosfet model is IRFZ44N. The load is a 200 ohm resistor. A ...
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Reading TCS34725 with MSP430G2553
I'm trying to read the red color data from the TCS34725 color sensor that is attached to this board by Grove (https://www.seeedstudio.com/Grove-I2C-Color-Sensor-V2.html) by combining its low value and ...
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Passkey register in microcontroller MSP430FR59xx
We recently had a Power Aware Computing class on the university where we used the microcontroller MSP430FR59xx. We had to examine how different voltages, clock frequencies, ULP modes affect the power ...
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MSP430FR4133 Low Battery Voltage Periodic Monitoring
Here is the code I used to configure and monitor my voltage that when it becomes 1.2V, BATTERY_ON symbol on my LCD is ON. The checking of voltage is every 10 seconds. This code below works using ...
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