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Ralph D.

Ralph D.

Senior Embedded System Developer

Lifetime self-employed individual with over 30+ years of experience in designing and programming of electromechanic microelectronic systems for industrial and consumer applications and products. Projects included: DSP, Wireless, Bluetooth, Bluetooth Smart, WiFi and consumer playthings, Consumer products, Industrial control, QA data acquisition and visualization, Process control, HMI, CIM/CAM, CNC programming, mechatronic engineering and design. Currently personally located in Spain. My services include: Firmware development, PCB design and assembly, mechanical design, design reviews for production fitness. For prototyping I have in stock 2000+ parts to be prepared for supply chain issues and fast prototyping as well for respond to BOM changes during development. Tools are DesignsparkPCB and Fusion360, full electronic lab including network analyzer. 3D printers and full equipped mechanic workshop for prototyping mechatronic devices or custom enclosures I have been working In the fields of industries: Asphalt, Fertilizer, Concrete, Cement, Injection molding machinery, CNC machinery, combustion Engines, Hydraulic and Pneumatic Systems In the field of consumer products: WiFi, AWS, Audio headset, DMX modules, smart lock, RF enabled tools, smart watch, SubGHz coms and more Programming languages are Assembler, C, C++ Experience with the following brands: Microchip(Atmel) TI Texas Instruments (CC2450, CC1310) NXP Ublox ESP32 RaspberryPI Multi language German, English and Spanish

🇪🇪Tallinn, Estonia$50/hr40% JSS4.46 (43)Since May 2014

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#6,307 / 412k
🇪🇪Country#14 / 398
Revenue, last 30 days
$0
Total earnings
$334k

Billed in all: $341k

World#6,307 / 412k
🇪🇪Country#14 / 398
Per project
$6.6k

$0 in the last 6 months

Projects, last 6 months
3

Across 4 contracts

0% fixed100% hourly
World#66,479 / 412k
🇪🇪Country#53 / 398
Projects in all
51

Across 58 contracts

9% fixed91% hourly
World#59,936 / 412k
🇪🇪Country#66 / 398

Earnings, last 30 days

$341kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$335k$340k$345k$350kOct 8Oct 23Nov 7

Skills