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projects:crazyflie:hardware:explained [2013-06-26 08:52] tobias [PCM] |
projects:crazyflie:hardware:explained [2015-07-15 16:31] 127.0.0.1 external edit |
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===== Battery ===== | ===== Battery ===== | ||
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- | The battery we use is of the type LiPo (Lithium-Polymer). They are currently the most popular battery type for R/C use. The LiPo is hoverer | + | The battery we use is of the type LiPo (Lithium-Polymer). They are currently the most popular battery type for R/C use. The LiPo is however |
==== PCM ==== | ==== PCM ==== | ||
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Specification: | Specification: | ||
- | || Model || Voltage (V) || Capacity (mAH) || Thickness (±0.2) || Width (±0.5) || Height (±0.5) || Weight (g) || Charge Rate || Continues | + | || Model || Voltage (V) || Capacity (mAh) || Thickness (±0.2) || Width (±0.5) || Height (±0.5) || Weight (g) || Charge Rate || Continuous |
|| 671723HS25C || 3.7 || 170 || 6.9 ||17 || 23 || 3.9 || 1C-5C || 25C (≥ 80%) || 50C || | || 671723HS25C || 3.7 || 170 || 6.9 ||17 || 23 || 3.9 || 1C-5C || 25C (≥ 80%) || 50C || | ||
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===== Expansion header ===== | ===== Expansion header ===== | ||
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- | The expansion header is located on the left side of the Crazyflie. It is a 10x2 pin 1.27mm (0.05" | + | The expansion header is located on the left side of the Crazyflie. It is a 10x2 pin 1.27mm (0.05" |
The header is divided into two parts. The JTAG part, pin 1 to 10, and the buss/power part, pin 11 to 20. The UART RX/TX is located on the JTAG part because on many FTDI based JTAGs it is possible to use one channel for serial communication which can be very handy when debugging. | The header is divided into two parts. The JTAG part, pin 1 to 10, and the buss/power part, pin 11 to 20. The UART RX/TX is located on the JTAG part because on many FTDI based JTAGs it is possible to use one channel for serial communication which can be very handy when debugging. | ||
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|| 10 || SNRST || System reset || | || 10 || SNRST || System reset || | ||
|| 11 || EXT_SPI_CS/ | || 11 || EXT_SPI_CS/ | ||
- | || 12 || EXT_SPI_MOSI/ | + | || 12 || EXT_SPI_MOSI/ |
- | || 13 || EXT_SPI_SCK/ | + | || 13 || EXT_SPI_SCK/ |
- | || 14 || EXT_SPI_MISO/ | + | || 14 || EXT_SPI_MISO/ |
|| 15 || VCC || Digital supply voltage || | || 15 || VCC || Digital supply voltage || | ||
|| 16 || VCOM || Battery/USB voltage || | || 16 || VCOM || Battery/USB voltage || |