By Christian Pehle,
30th November 2019
Handheld and tabletop units based on series MSP430 (Texas Instruments)
Controlling the ADCs
Controlling the LCD-displays
Enhanced functions realised in software:
settable limit monitoring with optocoupled alarm
Calibration functions
Zero setting
Filter
Development of the analog part of the circuit together with hardware developers
Environment and tools: C ICC, NoICE
By Christian Pehle,
29th November 2019
Programming of an ARM7-Derivates in C
LIN-Bus-connection
Improvement of the calculations and algorithms, measurement analysis and simulation with MatLab/Simulink
Implementation of various types of batteries
Improvement of the simulation tool
Working in a team
Environment and Tools: MatLab / Simulink, IAR-Compiler for ARM7, Visual Studio 2010 (Microsoft), Canoe (LIN/CAN-Tool for testing, Vector Grafics), SVN/Tortoise for team-management and versioning
By Christian Pehle,
28th November 2019
Tension measurement, temperature compensation, optimisation of characteristics
Prozessor MSP430-Serie (Texas Instruments)
Adaption of the AD-converter via SPI-Bus
Grafic display and Touchscreen
USB-connection to a Windows-PC for parametrisation and first start
Development of a GUI for the PC (C#)
Design of Software-Architecture
Realization in C
Documentation
Project management
Environment and Tools: Code Composer Studio (Texas Instruments), Visual Studio (Microsoft)
By Christian Pehle,
25th November 2019
Design of the software architecture
Processor from MSP430-Serie (Texas Instruments)
Usage of the processor-internal AD-converter
7-Segment-Dispaly
Peak and Hold functions
Storage of various characteristics for scaling
Control of the device with mechanical switches
Monitoring of the battery with “Low Bat”-signalisation
Realisation in C
Documentation
Environment and Tools: Code Composer Studio (Texas Instruments)
By Christian Pehle,
24th November 2019
Motor control (PIC controller (Microchip), PWM) with NFC signals
Significant part of the circuit development
Design of software architekture for the controller
Integration of the software components of an NFC-transceiver
Realization in C
Development of a software version to perform endurance tests for the mechanical parts
Improvement of the requirements
Tools: MPLAB IDE (Microchip), ORCAD
By Christian Pehle,
21st November 2019
Sensor to recognize barriers while moving a door of a car
Analysis of the geometrical data: Rotary motion, relative position of barriers, formulation of an algorithm
Programming a PIC-Controller (Microchip) as interface between a distance sensor and an electronic control unit
Realization of the state machine for a tailgate as described in specifications
Developer tests
Documentation
Envireonment and Tools: MPLAB IDE (Microchip), ORCAD
By Christian Pehle,
16th August 2018
Safety system to prohibit fire and smoke in the kitchen
Design and realization of the software architecture for four modules:
Sensor to monitor the temperature of a hob, and to monitor the movement of persons
Smoke sensor
Turn-off unit for the mains, tri-phase and one-phase
RF-adapter to control the system via USB with a PC
Realization of the RF-protocol (868MHz) between the modules
Implementation of an interface to smart-home-systems (e.g. Homematic)
Development of a intuitive program running on a PC to control the system (Microsoft Windows 7 and 10)
Formulation of testing routines
Documentation
Development environment and tools: MPLAB IDE (Microchip)