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projects [2021/01/20 23:38] edwin formatting |
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. |
- | * A GPS receiver card (for absolute time sync and accurate frequency generation) | + | * Uses the count4 Verilog peripheral or a derivative |
- | * 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 Thermocouple interface | + | |
- | * 4-20 mA interface somehow integrate sensors into fpga/linux backend | + | |
- | * I2C ground loop break (level conversion and always safe) | + | |
- | * 1 board with some switches, | + | |
- | * CAN BUS system integration | + | |
- | * ACS71240 Integrated Current Sensor | + | |
- | * Talking to chargers and electric cars : https:// | + | |
- | * Current controller/ | + | |
- | * Sub GHz tranceiver Si4464/ | + | |
- | Can be used in remote control and logging of factory and sensors in the field | + | |
- | ** | + | A GPS receiver card (for absolute time sync and accurate frequency generation) |
+ | | ||
+ | | ||
+ | * Ref frequency generator from GPS signal, 10MHz output for test equipment (multiple driver outputs to sync many measurement devices) | ||
+ | |||
+ | Galvanic insulated Volt meter | ||
+ | * (low freq) (measure volt/ | ||
+ | * Optical / transformer / RF gap ? | ||
+ | |||
+ | Galvanic insulated Thermocouple interface | ||
+ | * test bench equipment | ||
+ | |||
+ | A generic signal conditioning board | ||
+ | * some op-amps, low pass filter | ||
+ | * dip switch / jumper to configure ? | ||
+ | |||
+ | Other Thoughts about cards | ||
+ | * 4-20 mA interface to somehow integrate commercial sensors into fpga/linux backend | ||
+ | * I2C ground loop break (level conversion and always safe) to I2C , grove, Qwiic devices | ||
+ | * 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 | ||
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* 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 (?) | ||
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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? | ||
+ | |||