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EXPLORE
5.0
5.0
100%
$30 USD / Hour
・
Indonesia (9:29 AM)
・
Joined on November 9, 2018
・
1 Recommendation
$30 USD / Hour
・
Professional Embedded System Engineer with 10 years of experience on hardware and embedded software development. PCB Tools : - Altium - KiCAD - Eagle - EasyEDA Microcontroller : - AVR - STM32 - ESP8266 / ESP32 - NXP - Texas Instrument - Arduino - Raspberry / Banana / Orange Pi SBC Wireless Communication - NFC (MF classic, desfire, ultralight, NTAG424, NTAG213, NTAG21x, ICODE) implemented on payment, membership, access control with various NFC reader on desktop such as ACR122U, ACR120U, castle tech QP8000 to android custom reader - RFID short / long range - WiFi, Bluetooth, LoRa Wired Communication - UART, SPI, I2C, CAN, LIN, RS232, RS485 Protocol Data - MODBUS RTU / ASCII - HTTP, MQTT, TCP, UDP
Verifications
On time
100%
On budget
100%
Accept rate
85%
Repeat hire rate
14%
IO Expansion
10nA Low Power Gas Monitoring Device
Time tracking management system
PCB Design
PCB Design
PCB Design
Car Enginer Monitoring
Raspberry Pi-GUI base
Raspberry Pi-GUI base
IO Expansion
10nA Low Power Gas Monitoring Device
Time tracking management system
PCB Design
PCB Design
PCB Design
Car Enginer Monitoring
Raspberry Pi-GUI base
Raspberry Pi-GUI base
Ahmad E. was very keen on understanding requirements and completed the job on time and within budget.
Robert W.
@surietech
•
Carlsbad, United States
•
Share
They really knew what they talking about and were great to work with. This freelancer is awesome.
Former Client (inactive)
Share
Ahmed done a very good work to over come the challenge we face to encode NTAG chip. He also advice and recommend many other aspect of different cards and the advantage disadvatneges of there security aspects. looking forward to work more in other project related to card encoding and or RFID solution. thanks Ahmed
One D.
@onedotcom
•
Muscat, Oman
•
Share
Ahmad is very efficient, good communication, dedicate, with high skills on NFC technology!
Allan J.
@AllanJonis
•
Brusque, Brazil
•
Share
Fast delivery and everything work from 1st connection. Recomended !!
Krzysztof D.
@dvjcodec
•
Darlowo, Poland
•
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Education
Universitas Gajah Mada
2012 - 2015
•
3 years
D3
Indonesia
2012 - 2015
•
3 years
Freelancer
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