1001 Freelance Projects -- Review & Validation of Dual-Rail Power Supply PCB (TPS63070, 3.3 V + 4.0 V for SIM800L + MCU)

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Project title:	Review & Validation of Dual-Rail Power Supply PCB (TPS63070, 3.3 V + 4.0 V for SIM800L + MCU)
Posted by:	External project from Freelancer
Started:	08-Sep-2025 09:56 GMT
Description:	I have designed a custom PCB that powers a SIM800L GSM module and an MCU (CubeCell AB01) using two TPS63070 buck-boost regulators: 3.3 V rail → for MCU and logic 4.0 V rail → dedicated for SIM800L GSM... (Budget: €8 - €30 EUR, Jobs: Electrical Engineering, Electronics, Embedded Systems, PCB Layout, Product Design, Schematic Review)
Project ID:	3448382
Project category:	Electrical Engineering, Electronics, Embedded Systems, PCB Layout, Product Design, Schematic Review
Project budget:	€8 - €30 EUR
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