![]() The 8th connector is directly connected to main power, so can have one or more things on the Bioloid buss even if I turn off power to other servos. These 7 connectors are controlled by big Transistor which allows me to shut off all power to the these servos. I show 8 Bioloid connectors 6 for the 6 legs of a Hexapod, another for the logical Head. With these boards I will normally be powering it with 3S lipo (11.1v) and if someday I have a setup with MX servos than may use 4S lipo. Right now trying to figure out what I can fit in this space, which is pretty much the size of an RPI, where the header shown on the top plugs directly into RPI (or in my case more likely Odroid and UP) boards. Yes, I do want to put in some more of the IO options like you mentioned. One thing that it would be very useful to have is the ability to switch power sources and cut off the power (this requires the user to cut the pad between Vusb and VIN). The Adafruit Pro Trinket Lilion/Lipoly backpack is perhaps the easiest to use for through hole soldering ( ). It may be useful to have a JST/charger option. I used to use pin #2 for the generic push button, but now I use pin #3, since it isn't used by the prop-shield, audio shield, and the feather/OLED shield has a button for pin 3. Have two or three places you can add a push button. It also would be useful to have several parallel rows, so that you could easily attach several i2c devices to the same chain.įor spi, consider also having several parallel rows, with the various CS pins, so you could more easily plug in two different SPI devices on the same SPI bus. I picked up an Adafruit BLE board, and it wants CTS/RTS connected.įor i2c, consider having an option to connect pull-up resistors. KurtE, in terms of communications, it might be useful to have for the 3 main serial ports, the main CTS pin (and perhaps another pin for RTS). Or maybe mount Teensy high enough to go over top of connectors when no wires are connected.ĭecided to create a new thread, will continue with comments made in other thread. But also add ability to connect SPI between the two and maybe I2C.įor example do I try to add space to back to Teensy for SDCard insertion. Like using more shunts to hook up UART between the two (actually still there). Still want to hook up more configuration/communication options between Main board and Teensy. I also changed Sound from using simple transistor RC circuit to try out using a simple AMP setup like LM483, with real simple speaker. So far I dropped the BNO055 IMU plugging directly into board. Right now just playing around with ideas. ![]() For the fun of it, just starting to play around with my Hat board (that could plug into RPI or Odroid or UP board), to use either the T3.5 or T3.6.
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