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projects [2021/01/20 23:37] edwin lots of stuff |
projects [2021/01/21 11:44] (current) edwin |
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| * Simple Linux API | * Simple Linux API | ||
| - | ** | + | Frequency counter card |
| - | Frequency counter card (prescaler, into GHz range) output so low we can count it. | + | * (prescaler, into GHz range) output so low we can count it. |
| + | * Uses the count4 Verilog peripheral or a derivative of it | ||
| A GPS receiver card (for absolute time sync and accurate frequency generation) | A GPS receiver card (for absolute time sync and accurate frequency generation) | ||
| + | * May be based on, or just carrier card of, existing GPS/GNSS receivers, yes | ||
| + | * See the current GPS interface in dpdeaemon for the existing API | ||
| + | * Ref frequency generator from GPS signal, 10MHz output for test equipment (multiple driver outputs to sync many measurement devices) | ||
| - | Ref frequency generator from GPS signal, 10MHz output for test equipment (multiple outputs to sync many measurement devices) | + | Galvanic insulated Volt meter |
| - | + | * (low freq) (measure volt/ | |
| - | Galvanic insulated Volt meter (low freq) (measure volt/ | + | * Optical / transformer / RF gap ? |
| Galvanic insulated Thermocouple interface | Galvanic insulated Thermocouple interface | ||
| + | * test bench equipment | ||
| - | 4-20 mA interface somehow integrate sensors into fpga/linux backend | + | A generic signal conditioning board |
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| - | I2C ground loop break (level conversion and always safe) | + | * dip switch |
| - | + | ||
| - | 1 board with some switches, a few LEDS and a LCD display, nicely done, visual and size compatible to rest of platform | + | |
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| - | CAN BUS system integration | + | |
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| - | ACS71240 Integrated Current Sensor | + | |
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| - | Talking to chargers and electric cars : https:// | + | |
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| - | Current controller/ | + | |
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| - | Sub GHz tranceiver Si4464/63/61/60 used in smart metering, allows many protocols (also known to me from balloon telemetry application, | + | |
| - | Can be used in remote control and logging of factory and sensors in the field | + | |
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| - | ** | + | Other Thoughts about cards |
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| + | * One New board with some switches, a few LEDS and a LCD display, nicely done, visual and size compatible to rest of platform (a little control interface) | ||
| + | * CAN BUS system integration New Chips available, (tribe of car enthousiasts will welcome this) | ||
| + | * ACS71240 Integrated Current Sensor (hall sensor type, insulated measurement, | ||
| + | * Talking to chargers and electric cars : https:// | ||
| + | * Current controller/ | ||
| + | * Sub GHz tranceiver Si4464/ | ||
| + | * allows many protocols (also known to me from balloon telemetry application | ||
| + | * ranging 150 km without special antenna (line of sight) | ||
| + | * used in remote control and logging of factory equipment (preventive maintenance) and sensors in the field | ||
| + | * thinking about making it into a AX25 mesh network | ||
| Analog CPLD card | Analog CPLD card | ||
| Line 106: | Line 103: | ||
| * Based on the ATA6843 or similar | * Based on the ATA6843 or similar | ||
| - | ** | ||
| Silent stepper motor controller with all the trimmings TMC2226 | Silent stepper motor controller with all the trimmings TMC2226 | ||
| - | http:// | + | * http:// |
| - | https:// | + | |
| - | ** | + | * API to be defined |
| + | | ||
| DCC Model Railroad controller | DCC Model Railroad controller | ||
| * Based on one channel of the current H-bridge | * Based on one channel of the current H-bridge | ||
| * New Verilog required but a fairly simple design | * New Verilog required but a fairly simple design | ||
| + | * recently found out this is a tribe, "model railroad builders" | ||
| + | * Have a board on my desk right now to fix LED lighting of a model | ||
| Battery management card (?) | Battery management card (?) | ||
| Line 127: | Line 126: | ||
| Configurable voltage regulator card (?) | Configurable voltage regulator card (?) | ||
| * 3.3/3.7/5/6 volt selectable via jumper | * 3.3/3.7/5/6 volt selectable via jumper | ||
| + | * could be some lm317 with resistors, jumpers or switches | ||
| + | * does it need to be high power? | ||
| + | * typical use case for this board? | ||
| + | |||
projects.1611185830.txt.gz · Last modified: 2021/01/20 23:37 by edwin
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