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$25 USD / hora
Bandera de LATVIA
riga, latvia
$25 USD / hora
Aquí son las 1:32 a. m.
Se unió el abril 25, 2004
0 Recomendaciones

Krists P.

@Kristsp

 5,0 (12 comentarios)
4,4
4,4
100%
100%
$25 USD / hora
Bandera de LATVIA
riga, latvia
$25 USD / hora
100 %
Trabajos finalizados
98 %
Dentro del presupuesto
98 %
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N/A
Tasa de recontratación

Electronics projects designer and programmer

Electronics engineering and fun projects using digital and analog components. Microchip PIC, Atmel AVR, Texas Instruments MSP430, TM4C, Nordic nRF52 micro controllers. Arduino compatible devices and designs. Circuit schematics, PCB layout and design. Windows and Linux scripting, C and C++ programming tasks.
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Inicia sesión para comentar cualquier detalle por chat.

Portafolio

9276211
Schematic and PCB design of ATmega 2560 control board for infrared light gate device. IR light gate uses additional PCBs with OSRAM SFH 4550 leds and Vishay TSSP4056 infrared receivers.
ATmega 2560 IR sensors control board
Schematic and PCB design of ATmega 2560 control board for infrared light gate device. IR light gate uses additional PCBs with OSRAM SFH 4550 leds and Vishay TSSP4056 infrared receivers.
ATmega 2560 IR sensors control board
Schematic and PCB design of ATmega 2560 control board for infrared light gate device. IR light gate uses additional PCBs with OSRAM SFH 4550 leds and Vishay TSSP4056 infrared receivers.
ATmega 2560 IR sensors control board
Schematic and PCB design of ATmega 2560 control board for infrared light gate device. IR light gate uses additional PCBs with OSRAM SFH 4550 leds and Vishay TSSP4056 infrared receivers.
ATmega 2560 IR sensors control board
4376667
Design of battery monitoring device with current sense amplifier and ATmega 328 to monitor battery voltage and current usage. Measurement data can be read from host device using I2C connection that is electrically isolated to prevent voltage level difference during high current spikes.
Battery monitoring board
Design of battery monitoring device with current sense amplifier and ATmega 328 to monitor battery voltage and current usage. Measurement data can be read from host device using I2C connection that is electrically isolated to prevent voltage level difference during high current spikes.
Battery monitoring board
Design of battery monitoring device with current sense amplifier and ATmega 328 to monitor battery voltage and current usage. Measurement data can be read from host device using I2C connection that is electrically isolated to prevent voltage level difference during high current spikes.
Battery monitoring board
Design of battery monitoring device with current sense amplifier and ATmega 328 to monitor battery voltage and current usage. Measurement data can be read from host device using I2C connection that is electrically isolated to prevent voltage level difference during high current spikes.
Battery monitoring board
Design of battery monitoring device with current sense amplifier and ATmega 328 to monitor battery voltage and current usage. Measurement data can be read from host device using I2C connection that is electrically isolated to prevent voltage level difference during high current spikes.
Battery monitoring board
6930916
Design of the enclosure for electronics device that consists of base PCB, several buttons, connectors and LCD screen. Enclosure consists of two parts that are bolted together fitting around electronic parts. 3D model was designed using FreeCAD.
3D design of the enclosure for electronics device
Design of the enclosure for electronics device that consists of base PCB, several buttons, connectors and LCD screen. Enclosure consists of two parts that are bolted together fitting around electronic parts. 3D model was designed using FreeCAD.
3D design of the enclosure for electronics device
Design of the enclosure for electronics device that consists of base PCB, several buttons, connectors and LCD screen. Enclosure consists of two parts that are bolted together fitting around electronic parts. 3D model was designed using FreeCAD.
3D design of the enclosure for electronics device
Design of the enclosure for electronics device that consists of base PCB, several buttons, connectors and LCD screen. Enclosure consists of two parts that are bolted together fitting around electronic parts. 3D model was designed using FreeCAD.
3D design of the enclosure for electronics device
Design of the enclosure for electronics device that consists of base PCB, several buttons, connectors and LCD screen. Enclosure consists of two parts that are bolted together fitting around electronic parts. 3D model was designed using FreeCAD.
3D design of the enclosure for electronics device
Design of the enclosure for electronics device that consists of base PCB, several buttons, connectors and LCD screen. Enclosure consists of two parts that are bolted together fitting around electronic parts. 3D model was designed using FreeCAD.
3D design of the enclosure for electronics device
3807306
Development board with PIC24 micro controller for signal delay time measurement experiments. Design is based on tech notes about using PIC24 CTMU (Charge Time Measurement Unit). It has USB to serial connection and signal input output connections with fast edge output buffers and comparators.
PIC24 micro controller development board
Development board with PIC24 micro controller for signal delay time measurement experiments. Design is based on tech notes about using PIC24 CTMU (Charge Time Measurement Unit). It has USB to serial connection and signal input output connections with fast edge output buffers and comparators.
PIC24 micro controller development board
Development board with PIC24 micro controller for signal delay time measurement experiments. Design is based on tech notes about using PIC24 CTMU (Charge Time Measurement Unit). It has USB to serial connection and signal input output connections with fast edge output buffers and comparators.
PIC24 micro controller development board
3596583
Design and PCB layout of Arduino compatible ATMega micro controller board with PCA9685 PWM controller IC. PCB is small 4.5 x 7 cm four layer board with internal ground and power planes and pin header connections. It can be used for controlling 16 channels of led lightning or servo motors and takes much less space that full sized Arduino board with required shield.
AVR micro controller board design
Design and PCB layout of Arduino compatible ATMega micro controller board with PCA9685 PWM controller IC. PCB is small 4.5 x 7 cm four layer board with internal ground and power planes and pin header connections. It can be used for controlling 16 channels of led lightning or servo motors and takes much less space that full sized Arduino board with required shield.
AVR micro controller board design
Design and PCB layout of Arduino compatible ATMega micro controller board with PCA9685 PWM controller IC. PCB is small 4.5 x 7 cm four layer board with internal ground and power planes and pin header connections. It can be used for controlling 16 channels of led lightning or servo motors and takes much less space that full sized Arduino board with required shield.
AVR micro controller board design
Design and PCB layout of Arduino compatible ATMega micro controller board with PCA9685 PWM controller IC. PCB is small 4.5 x 7 cm four layer board with internal ground and power planes and pin header connections. It can be used for controlling 16 channels of led lightning or servo motors and takes much less space that full sized Arduino board with required shield.
AVR micro controller board design
Design and PCB layout of Arduino compatible ATMega micro controller board with PCA9685 PWM controller IC. PCB is small 4.5 x 7 cm four layer board with internal ground and power planes and pin header connections. It can be used for controlling 16 channels of led lightning or servo motors and takes much less space that full sized Arduino board with required shield.
AVR micro controller board design
3506001
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB
9276211
Schematic and PCB design of ATmega 2560 control board for infrared light gate device. IR light gate uses additional PCBs with OSRAM SFH 4550 leds and Vishay TSSP4056 infrared receivers.
ATmega 2560 IR sensors control board
Schematic and PCB design of ATmega 2560 control board for infrared light gate device. IR light gate uses additional PCBs with OSRAM SFH 4550 leds and Vishay TSSP4056 infrared receivers.
ATmega 2560 IR sensors control board
Schematic and PCB design of ATmega 2560 control board for infrared light gate device. IR light gate uses additional PCBs with OSRAM SFH 4550 leds and Vishay TSSP4056 infrared receivers.
ATmega 2560 IR sensors control board
Schematic and PCB design of ATmega 2560 control board for infrared light gate device. IR light gate uses additional PCBs with OSRAM SFH 4550 leds and Vishay TSSP4056 infrared receivers.
ATmega 2560 IR sensors control board
4376667
Design of battery monitoring device with current sense amplifier and ATmega 328 to monitor battery voltage and current usage. Measurement data can be read from host device using I2C connection that is electrically isolated to prevent voltage level difference during high current spikes.
Battery monitoring board
Design of battery monitoring device with current sense amplifier and ATmega 328 to monitor battery voltage and current usage. Measurement data can be read from host device using I2C connection that is electrically isolated to prevent voltage level difference during high current spikes.
Battery monitoring board
Design of battery monitoring device with current sense amplifier and ATmega 328 to monitor battery voltage and current usage. Measurement data can be read from host device using I2C connection that is electrically isolated to prevent voltage level difference during high current spikes.
Battery monitoring board
Design of battery monitoring device with current sense amplifier and ATmega 328 to monitor battery voltage and current usage. Measurement data can be read from host device using I2C connection that is electrically isolated to prevent voltage level difference during high current spikes.
Battery monitoring board
Design of battery monitoring device with current sense amplifier and ATmega 328 to monitor battery voltage and current usage. Measurement data can be read from host device using I2C connection that is electrically isolated to prevent voltage level difference during high current spikes.
Battery monitoring board
6930916
Design of the enclosure for electronics device that consists of base PCB, several buttons, connectors and LCD screen. Enclosure consists of two parts that are bolted together fitting around electronic parts. 3D model was designed using FreeCAD.
3D design of the enclosure for electronics device
Design of the enclosure for electronics device that consists of base PCB, several buttons, connectors and LCD screen. Enclosure consists of two parts that are bolted together fitting around electronic parts. 3D model was designed using FreeCAD.
3D design of the enclosure for electronics device
Design of the enclosure for electronics device that consists of base PCB, several buttons, connectors and LCD screen. Enclosure consists of two parts that are bolted together fitting around electronic parts. 3D model was designed using FreeCAD.
3D design of the enclosure for electronics device
Design of the enclosure for electronics device that consists of base PCB, several buttons, connectors and LCD screen. Enclosure consists of two parts that are bolted together fitting around electronic parts. 3D model was designed using FreeCAD.
3D design of the enclosure for electronics device
Design of the enclosure for electronics device that consists of base PCB, several buttons, connectors and LCD screen. Enclosure consists of two parts that are bolted together fitting around electronic parts. 3D model was designed using FreeCAD.
3D design of the enclosure for electronics device
Design of the enclosure for electronics device that consists of base PCB, several buttons, connectors and LCD screen. Enclosure consists of two parts that are bolted together fitting around electronic parts. 3D model was designed using FreeCAD.
3D design of the enclosure for electronics device
3807306
Development board with PIC24 micro controller for signal delay time measurement experiments. Design is based on tech notes about using PIC24 CTMU (Charge Time Measurement Unit). It has USB to serial connection and signal input output connections with fast edge output buffers and comparators.
PIC24 micro controller development board
Development board with PIC24 micro controller for signal delay time measurement experiments. Design is based on tech notes about using PIC24 CTMU (Charge Time Measurement Unit). It has USB to serial connection and signal input output connections with fast edge output buffers and comparators.
PIC24 micro controller development board
Development board with PIC24 micro controller for signal delay time measurement experiments. Design is based on tech notes about using PIC24 CTMU (Charge Time Measurement Unit). It has USB to serial connection and signal input output connections with fast edge output buffers and comparators.
PIC24 micro controller development board
3596583
Design and PCB layout of Arduino compatible ATMega micro controller board with PCA9685 PWM controller IC. PCB is small 4.5 x 7 cm four layer board with internal ground and power planes and pin header connections. It can be used for controlling 16 channels of led lightning or servo motors and takes much less space that full sized Arduino board with required shield.
AVR micro controller board design
Design and PCB layout of Arduino compatible ATMega micro controller board with PCA9685 PWM controller IC. PCB is small 4.5 x 7 cm four layer board with internal ground and power planes and pin header connections. It can be used for controlling 16 channels of led lightning or servo motors and takes much less space that full sized Arduino board with required shield.
AVR micro controller board design
Design and PCB layout of Arduino compatible ATMega micro controller board with PCA9685 PWM controller IC. PCB is small 4.5 x 7 cm four layer board with internal ground and power planes and pin header connections. It can be used for controlling 16 channels of led lightning or servo motors and takes much less space that full sized Arduino board with required shield.
AVR micro controller board design
Design and PCB layout of Arduino compatible ATMega micro controller board with PCA9685 PWM controller IC. PCB is small 4.5 x 7 cm four layer board with internal ground and power planes and pin header connections. It can be used for controlling 16 channels of led lightning or servo motors and takes much less space that full sized Arduino board with required shield.
AVR micro controller board design
Design and PCB layout of Arduino compatible ATMega micro controller board with PCA9685 PWM controller IC. PCB is small 4.5 x 7 cm four layer board with internal ground and power planes and pin header connections. It can be used for controlling 16 channels of led lightning or servo motors and takes much less space that full sized Arduino board with required shield.
AVR micro controller board design
3506001
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB
Electronics device to demonstrate function of Schmitt trigger oscillator and logic gates. It features double sided PCB with surface mount components and powers from 3V Lithium battery. It contains signal generator with led illumination ring and soft power on/off button. Test point clips are provided for taking waveform measurements.
Surface mount PCB

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Mostrando 1 - 5 de 12 reseñas
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5,0
$120,00 USD
SX1262 FSK transmit & receive signal
Krist helped find a solution and made the task based on Semtech modems. Thanks!
C Programming
Electronics
Microcontroller
Arduino
Radio Frequency
Avatar del usuario
Bandera de Alexander S.
@defencore
•
hace 8 meses
5,0
€300,00 EUR
Implementation of Zephyr driver for sensor ST LSM303AGR
He delivered all what has been specified within the technical requirements and the code he prepared was well documented and profesionally prepared...also the communication was smooth and clear. I will definately work with Krists again in the near future and I would recommend him to others who need professional and correct attitude towards the customer and work that needs to be done. Regards, Mitja O.
C Programming
Electronics
Microcontroller
Embedded Software
Apache
+3 más
O
Bandera de Davor O.
@omitja
•
hace 1 año
5,0
$50,00 USD
AC Voltage Measurement With Potential Transformer
He is a humble developer. Very good in communications.
C Programming
Electronics
Microcontroller
C++ Programming
Avatar del usuario
Bandera de Michael M.
@mcmsat
•
hace 2 años
5,0
$300,00 NZD
Modify existing python script to work properly with a specific EEPROM
Took me a while to find someone to do this task, I finally found Krists who was able to do it with ease! Made life much easier! Thanks Again
Python
Microcontroller
Software Architecture
Arduino
N
Bandera de Michael F.
@navisolutions1
•
hace 3 años
5,0
€160,00 EUR
Project 28152013 has been deleted
Krists did such an amazing job with everything I asked for. The work was excellent quality and worked with no effort on my side. He was on time and very helpful with explaining all the setup and how to make the project work. I would definitely recommend him to anyone and would work with him again. Thank you so much for the work, I am completely satisfied with it :)
R
Bandera de Maryam A.
@rjahjah17
•
hace 3 años

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Principales habilidades

Microcontroller 11
Electronics 10
C Programming 7
Arduino 6
Python 2

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