Danzall C. Profile

5.0

(3 reviews)

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$13 USD / hour

cape town,

south africa

$13 USD / hour

It's currently 3:59 AM here

Joined July 26, 2022

0 Recommendations

Danzall C.

@dcornelius7

5.0

(3 reviews)

2.2

$13 USD / hour

cape town,

south africa

$13 USD / hour

100%

Jobs Completed

100%

On Budget

100%

On Time

N/A

Repeat Hire Rate

Firmware developer, Circuit design, PCB layout

I have 10 years experience designing and developing PCBs and 4 years experience designing and developing firmware for custom made PCBs with a focus on GSM based communication utilising Telit Quectel and Fibocom modules. Recent projects are as follows: GSM based AC energy & power measurement • Quectel M66 GSM module • ADE7945 energy measurement IC • STM32F072 M0 Cortex controller GSM based temperature and humidity measurement • Fibocom G510 GSM module • R5F100RCASP MCU • DHT11 temperature/humidity sensor GSM based asset tracker • Telit G865 GSM module • STM32F103RC M3 Cortex MCU • Ublox Neo8 GPS module MCU experience: AVR atmega range STM M0, M3 and M4 Silicon labs 8051 based IDE experience: Atmel studio STM Cube IDE Simplicity STM workbench Keil uVision SES PCB CAD experience: Altium Orcad Eagle Modules: ESP32 ESP8266 nRF51822 Arduino Uno DHT11

See all Electronics Engineers in South Africa

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Portfolio Items

This project measure the flow of water and controls a motorized ball valve to regulate the amount of flow needed, a GSM module is used to send emails regarding water usage, the video depicts ball valve operation with simulated water flow(pulsed from ESP32)

Irrigation controller

Thingspeak data utilizing MAX6675 thermocouple

Utilizing STM32F091VC, GE865, NEO 7 and COG display this device is used to release the cable used to lock container doors and only releases the cable(opens doors) at pre configured locations in order to reduce cargo losses

STM32 based asset tracker

STM MCU with Telit GE865 GSM module and Ublox Neo7 GPS module

STM32F103RC based vehicle tracker

This project utilizes Quectel M66 GSM as communication medium to GSM network, DRV8800 brushed motor controller with ADE7953 energy measurement saved to remote DB for historical data capture

STM32F072CBT6 based geyser management with ADE7953 as energy

STM MCU unit with TelitG865 to connect to GSM network, Ublox Neo 7 GPS module with 2 x 16 COG display, CR95HF NFC module

STM32F103RC based GPS asset tracker

Reviews

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Showing 1 - 3 out of 3 reviews

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5.0

€8.00 EUR

Small changes pcb and schematics on Altium Designer

Danzall helped me to convert some Altium Designer files into EasyEda in very short time. I would work with him in future.

Electronics

CAD/CAM

Electrical Engineering

PCB Layout

Circuit Design

Harald B.

@haraldbregu

•

4 months ago

5.0

$30.00 AUD

Design and update PCB and components

Flawless service and easy to deal with.

Electronics

Electrical Engineering

PCB Layout

Product Design

Circuit Design

Jesse G.

@TriPolar69

•

4 months ago

5.0

€90.00 EUR

help me to connect my tracker to test AT commands

excellent freelancer very prepared in the topics of GSM GPS technology and much more, he managed to solve my problem in a very short time. i will hire him again.