All Services Engineering & Architecture Electronics Design Engineering Share This Copy Link Directly Copy $40/hr · Starting at $400 Design experience with rechargeable batteries and charge circuits, DC/DC converters (buck or boost), communication systems using CAN/LIN, SMBUS, USB, Bluetooth 4.0 (BLE). Concept development, requirements or schematic drafting. Skills & Expertise BluetoothBoostCommunication SystemsConcept DevelopmentDesignDraftingEagle PCBElectronicsEmbedded DevelopmentUSB (Universal Serial Bus) 0 Reviews This Freelancer has not received any feedback.